Whole Person Care from the Heart
Tangram shape of a heart

Health system leadership team drives patient & resident satisfaction

Ensuring resources are available and patients, residents, and their families are satisfied

The Nexus Health Systems leadership team is often seen as a support service team for the entire health system. The experienced group comes from different backgrounds that benefits the group when making decisions for staff tools and resources and ensuring patient, resident, and family satisfaction. Together with the clinical team, Nexus is mending minds.

Meet the Nexus Health Systems leadership team

Corporate Leadership

John Cassidy, MD
Founder, Chief Executive Officer, Chief Medical Officer

Dr. John W. Cassidy is certified by the American Board of Psychiatry and Neurology and has over 30 years of experience in clinical neuroscience and neurobehavioral rehabilitation programs. Currently operating as CEO and Chief Medical Officer of Nexus Health Systems – which he founded in 1992 – Dr. Cassidy was previously the Psychiatrist in Charge and Co-Founder of the Neuropsychiatry Program at McLean Hospital; Chief Medical Officer and Founder of the Neurobehavioral Institute of Houston; Director and Founder of the Neuropsychiatry Subspecialty Services of Del Oro Rehabilitation Hospital; and Medical Director of Neurobehavioral Programs at Cypress Creek Hospital.

Devoting his career to improving the understanding and treatment of individuals with acquired and traumatic brain injuries, Dr. Cassidy continues to help patients return to productive and meaningful lives through a neurospecialty continuum of care. His comprehensive rehabilitative approach delivers more than traditional therapies, addressing a person’s interpersonal, behavioral, cognitive, physical, and emotional challenges to ensure a more successful rehabilitation journey and clinical outcome.

Dr. Cassidy received his Bachelor of the Arts from Hiram College and Doctor of Medicine from the University of Cincinnati College of Medicine. In addition, he received his post-graduate training at Harvard Medical School. Dr. Cassidy has spoken nationally and internationally about the sequela and management of severe traumatic brain injury and authored three books and a number of papers, book chapters, and editorials.

John Cassidy, MD
Founder, Chief Executive Officer, Chief Medical Officer

Dr. John W. Cassidy is certified by the American Board of Psychiatry and Neurology and has over 30…

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Photo of Erin Cassidy, member of Nexus leadership team
Erin Cassidy, MSN, MBA
President

Erin Cassidy joined Nexus Health Systems in 2008 and is currently the President. Prior to assuming her current role, she held various roles at Nexus Specialty Hospital including CEO and Administrator, Operations Specialist, and Assistant Administrator. She began her career at Nexus as a Marketing Liaison. Prior to joining Nexus, Ms. Cassidy held several leadership positions in medical doctor practice management in Sydney, Australia.

Ms. Cassidy holds a Bachelor of Arts in Sociology and Anthropology from Smith College and a Certificate in Culture Health Sciences from the Five College Consortium. In addition, she holds a Masters in Nursing from the University of Sydney, and a MBA with a concentration in Health Care Management from Rice University.

Erin Cassidy, MSN, MBA
President

Erin Cassidy joined Nexus Health Systems in 2008 and is currently the President. Prior to assuming her current…

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Joel Talley
Chief Operations Officer

Propelling Nexus’ vision, Joel Talley works directly with facility administration to create and communicate facility strategy. He oversees new program development and ensures alignment with corporate goals. Mr. Talley joined the Nexus team in 2012 as a member of the Finance Department. Prior to this latest promotion, he was VP of Business Development. Before his tenure at Nexus, Mr. Talley accumulated nearly ten years in the finance and healthcare industries. Between his sales and finance experience, Mr. Talley looks forward to driving growth and ensuring all facilities run efficiently.

Joel Talley
Chief Operations Officer

Propelling Nexus’ vision, Joel Talley works directly with facility administration to create and communicate facility strategy. He oversees…

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Photo of Kim Fields, member of Nexus leadership team
Kim Fields, MBA, CPA
Chief Financial Officer

As the head of the finance department, Kim Fields oversees the accounting and purchasing divisions, manages internal and external financial reporting and cost containment, and develops performance measures that support Nexus’ strategic direction. Mrs. Fields has been with Nexus for nearly ten years, and has worked exclusively for Nexus’ finance department for the last five. Prior to her time with Nexus, she was a Senior Auditor at Deloitte and was a Financial Analyst for an Austin-based healthcare system. Mrs. Field’s extensive background in finance, coupled with her existing knowledge of Nexus Health Systems, proves to be invaluable.

Kim Fields, MBA, CPA
Chief Financial Officer

As the head of the finance department, Kim Fields oversees the accounting and purchasing divisions, manages internal and…

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Ann De la Rosa, RN, BSN, CRRN
VP of Complex Care

Ann De la Rosa graduated from UT Health Science Center in Houston, Texas in 1990 with a Bachelor’s of Science in Nursing, and has been a practicing nurse for 26 years. In 2011, she received certification as a Rehabilitation Nurse. Her tenure includes time as a SICU/PACU staff nurse responsible for patient care and clinical liaison responsible for community outreach and education for case managers and physicians.

Mrs. De la Rosa has been with Nexus Health Systems for over 20 years, and has been in a marketing and clinical liaison role for most of that time. She is currently based out of the Nexus Health Systems corporate office as the VP of Complex Care and assists all facilities and clinical teams. She is responsible for national outreach, education, and patient evaluations. Mrs. De La Rosa also collaborates with insurance companies, worker’s compensation, and the military to provide solutions for complex cases.

Ann De la Rosa, RN, BSN, CRRN
VP of Complex Care

Ann De la Rosa graduated from UT Health Science Center in Houston, Texas in 1990 with a Bachelor’s…

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Photo of Yobi Kasper, member of Nexus leadership team
Yobi Kasper
VP of IT

Yobi Kasper serves as the Vice President of Information Technology.  He has 20+ years of healthcare accomplishments in aligning technology with excellence in patient care.  Mr. Kasper’s role is to provide Nexus Health Systems with a technology vision that supports business continuity and the corporate mission, utilizing proven industry standards and best practices in healthcare technologies.  He is charged with developing, implementing, optimizing, and supporting all traditional IT platforms and healthcare systems across the enterprise. Before joining Nexus, Mr. Kasper held several leadership positions with various multi-site healthcare systems.  During his free time, he enjoys traveling with his wife and various recreational activities like hunting, mountain bike riding, PC gaming, and downhill skiing.

Yobi Kasper
VP of IT

Yobi Kasper serves as the Vice President of Information Technology.  He has 20+ years of healthcare accomplishments in…

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Kevin McAndrews, MHR
Chief Human Resources Officer

Kevin McAndrews brings a depth of HR management expertise with over 30 years of experience in the bio-instrumentation and healthcare industry. The past 15 years, Mr. McAndrews held executive leadership roles within the private, private equity, and publicly traded organizations. He joined Nexus Health Systems in June 2015 as the Vice President of Human Resources. In his previous roles Mr. McAndrews oversaw all national and international human resources offices, with offices and HR Staff in over 10 countries. Additionally, under Mr. McAndrews leadership, his past companies have been recognized and received the Wall Street Journal Best Places to Work, The International Spirit at Work Award, Red Cross Platinum Award, and Inc. 5000 Fastest Growing Companies.

Mr. McAndrews holds a Bachelor’s Degree in Sociology & Psychology from Loyola Marymount University in Los Angeles and holds a Master of Science in Human Resources from Golden Gate University in San Francisco. He is a native of Los Angeles and a full-time resident of Houston since 2015.

Kevin McAndrews, MHR
Chief Human Resources Officer

Kevin McAndrews brings a depth of HR management expertise with over 30 years of experience in the bio-instrumentation…

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Corporate Directors

Photo of Vanessa Blaze, member of Nexus leadership team
Vanessa Blaze, MBA
Corporate Director of Human Resources

 Vanessa Blaze joined Nexus Health Systems in 2014 as part of the Support Services Human Resources team, supporting frontline heroes through oversight of all things HR. Vanessa holds a Master of Business Administration with a minor in Human Resource Management. She has 20 years of experience in the human resources field, working in a variety of HR roles in oil & gas, pharmaceutical, and retail industries. She enjoys cooking for her family, watching documentaries, and reading in free time.

Vanessa Blaze, MBA
Corporate Director of Human Resources

 Vanessa Blaze joined Nexus Health Systems in 2014 as part of the Support Services Human Resources team, supporting…

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Emily Le, Nexus Health Systems
Emily Le, PhD
Corporate Director of IT

Emily comes to Nexus with over 20 years of Healthcare IT experience, leading large operational projects and responsible for revenue cycle technology.  She received her master’s in health administration as well as her Doctorate in Health Studies with an Accounting Specialization from Texas Woman’s University.  She is passionate about blending technology and patient care to create process efficiencies and improved clinical operations.  Emily’s focus for Nexus will be artificial intelligence (AI), automation, and collaboration with community leaders/organizations to solve patient needs.

In her spare time, she enjoys listening to audiobooks and traveling with her family.

Emily Le, PhD
Corporate Director of IT

Emily comes to Nexus with over 20 years of Healthcare IT experience, leading large operational projects and responsible…

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Wendy Moses
Controller

Wendy joined the company as Corporate Controller in 2023 with over 15 years of accounting experience in various industries, including the healthcare sector.  Wendy became a licensed CPA in 2013 and specializes in budgeting, financial reporting, managing accounting operations, and improving processes.  She earned a BA in Environmental Studies from the University of North Carolina – Wilmington and an MS in Accounting from Western Governor’s University.  Wendy is a member of the American Institute of CPAs and also holds the AICPA’s Chartered Global Management Accountant designation.  In the workplace, she is passionate about connecting with people and contributing her skills to organizations that help improve the quality of people’s lives.

Wendy is a native Texan.  In her spare time, she enjoys spending time with her family, reading in the personal and spiritual growth category, playing tennis, and watching the Astros win world championships.

Wendy Moses
Controller

Wendy joined the company as Corporate Controller in 2023 with over 15 years of accounting experience in various…

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Tiffani Todd BA, MSN, RN, CMRN
Corporate Director of Compliance and Quality

Tiffani began her nursing career in Neonatal ICU and has spent the past 18 years excelling in Quality, Risk Management, and Compliance roles. Her experience ranges from VP Quality at one of Houston’s largest Federally Qualified Health Centers, to Director of Compliance at one of Houston’s Level I trauma centers.  She received her Bachelor of Arts with a Pre-law emphasis from University of Central Oklahoma.  She went on to complete a Bachelor of Science in Nursing and Master of Science in Nursing from University of Texas Health Science Center Houston School of Nursing.  She received the JP McGovern Award of Excellence from the University of Texas for her research poster project.  She has also received recognition for her QI projects and Risk Management experience, including being an approved provider of nursing education entitled Legal Aspects of Nursing Documentation through the Louisiana State Nurses Association.   Tiffani originally joined Nexus in 2011 as Director of Quality for Nexus Children’s Hospital.  She rejoins Nexus executive team as the Corporate Director of Compliance & Quality.  In her spare time, Tiffani enjoys gardening, Crossfit with her husband, and time with her Australian Shepherds.

Tiffani Todd BA, MSN, RN, CMRN
Corporate Director of Compliance and Quality

Tiffani began her nursing career in Neonatal ICU and has spent the past 18 years excelling in Quality,…

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Bijoy Varghese, MBA
Director of Network Management

With more than 10 years of experience in practice management, provider consulting, and practice start-ups, Bijoy Varghese has developed stable structures for in-house provider groups. With current oversight of patient-specific and payor contracts, Bijoy aims to bring clinical understanding and alignment of the special population at Nexus Health System.

With a focus on positive leadership, and a deep desire to raise people’s internal capacity, Bijoy focuses on challenging Nexus leadership to think outside the box while maintaining healthy relationships with all payor partners.

He holds a BS in Healthcare Administration from University of Illinois and a MBA from Texas A&M University.

Bijoy Varghese, MBA
Director of Network Management

With more than 10 years of experience in practice management, provider consulting, and practice start-ups, Bijoy Varghese has…

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Marvin Washington, MHA
Corporate Director of Revenue Cycle

Marvin Washington has his Master of Science in Healthcare Management and brings 23 years of experience in revenue cycle management to Nexus Health Systems. He recently oversaw Revenue Cycle Support Services for Driscoll Children’s Hospital in Corpus Christi, Texas. 

Marvin was born in Louisiana, and raised in Dallas, Texas. He has five siblings and a dog named Blaze. His favorite food is TexMex and he enjoys fitness and running. Marvin is a lifelong innovator and learner, who enjoys reading books, superheroes, has a knack for developing processes, and is very passionate about people.

Marvin Washington, MHA
Corporate Director of Revenue Cycle

Marvin Washington has his Master of Science in Healthcare Management and brings 23 years of experience in revenue…

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Trevor Wilganowski
Director of Talent Acquisition

Trevor is a native Houstonian with more than 10 years of talent acquisition experience in the healthcare space. His deep understanding of the industry, coupled with an innate ability to build strong relationships, has allowed him to consistently deliver exceptional results. Trevor is a passionate sports fan and enjoys spending time with his wife and daughter, Lexi. In his free time, he plays golf and coaches youth sports.

Trevor Wilganowski
Director of Talent Acquisition

Trevor is a native Houstonian with more than 10 years of talent acquisition experience in the healthcare space.…

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DeUnique Wilson
Field Controller

DeUnique Wilson spent almost a decade in finance and accounting and has specialized in healthcare accounting for the past five years. In her current role, DeUnique has continued to merge finance and operations analysis to assist other leadership team members with their decision-making. DeUnique hopes to grow with Nexus by developing and implementing new processes for daily operations both at the facility and corporate level.

DeUnique Wilson received her MBA at Capella University in 2022. She has two kids and enjoys traveling and spending time with her family. 

DeUnique Wilson
Field Controller

DeUnique Wilson spent almost a decade in finance and accounting and has specialized in healthcare accounting for the…

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Facility Leaders

Photo of Roger Caron, member of Nexus leadership team
Roger Caron
CEO, Nexus Children's Hospital – Houston

Roger Caron began his career in health care while serving in the Navy. During his 28 years of service, he participated in multiple deployments and held various health service support roles. Most recently Mr. Caron served as the CEO of Long-Term Acute Care hospital in Pennsylvania.  Roger joined Nexus as the CEO of Nexus Children’s Hospital – Houston in August of 2022.  He is committed to building a team that provides the best possible care for our patients. Mr. Caron enjoys hiking through the Appalachian Mountain range with his wife and family.

Mr. Caron received a bachelor’s from Southern Illinois University and Master of Healthcare Administration from Baylor University.

Roger Caron
CEO, Nexus Children's Hospital – Houston

Roger Caron began his career in health care while serving in the Navy. During his 28 years of…

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James Resendez, FACHE
CEO, Nexus Children's Hospital – Shenandoah

James Resendez has spent his entire career in hospital administration and brings 22 years of CEO level experience to Nexus Health Systems. Jim has managed various hospital facilities throughout the southwest, with much of his experience in the Texas market. He is a Texas native, receiving his Bachelor of Science – Biology degree from the University of Texas San Antonio and his Master of Health Care Administration from Trinity University.

Jim’s passion is hospital operations, with a focus on performance and accountability. In addition to hospital management, he also has extensive experience in provider network development and strategic planning.

Jim enjoys spending time with his wife and children, golfing, running, and is also a life-long baseball card collector.

James Resendez, FACHE
CEO, Nexus Children's Hospital – Shenandoah

James Resendez has spent his entire career in hospital administration and brings 22 years of CEO level experience…

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Photo of Stephanie Ruktantichoke, member of Nexus leadership team
Stephanie Ruktantichoke, M.S. CCC-SLP
CEO, Nexus Children's Hospital – The Woodlands

Stephanie Ruktantichoke comes to Nexus Health Systems with 10 years of experience working in Long Term Acute Care hospitals in progressive leadership roles. Prior to joining Nexus, Stephanie was the Executive Director for Rehab Operations over eight LTAC facilities in the Houston Area. In her free time Stephanie enjoys spending time with family, strength training and running.

Stephanie’s education includes a BA and MS in Communication Sciences and Disorders from Baylor University.

Stephanie Ruktantichoke, M.S. CCC-SLP
CEO, Nexus Children's Hospital – The Woodlands

Stephanie Ruktantichoke comes to Nexus Health Systems with 10 years of experience working in Long Term Acute Care…

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Photo of Cory Blomquist, member of Nexus leadership team
Cory Blomquist, MBA, MHSA
CEO, Nexus Neurorecovery Center – Conroe

Cory Blomquist is a mission-driven leader who comes to Nexus with years of executive experience in dialysis and skilled nursing. After earning his BS in Management and Finance from Brigham Young University, Cory turned his educational sites on healthcare. He prepared himself for a career in healthcare leadership by earning his Master of Business Administration and Master of Health Services Administration from the University of Michigan.

After graduating from Michigan, Cory furthered his passion for healthcare leadership and culture building by joining DaVita’s leadership development program: The Redwoods Program. He then pursued an opportunity to create a lasting, positive impact on the world of inpatient healthcare by joining the Providence Group as a nursing home administrator in California. In his time with Providence, Cory lead facility turnarounds, drove the licensing, certification, opening and operating of de novo Skilled Nursing Facilities, and oversaw operations of a portfolio of five facilities, across two states.

During his free time, Cory loves spending time with his wife and four children, playing and coaching baseball, running, and golfing.

Cory Blomquist, MBA, MHSA
CEO, Nexus Neurorecovery Center – Conroe

Cory Blomquist is a mission-driven leader who comes to Nexus with years of executive experience in dialysis and…

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Corporate Leadership

John Cassidy, MD
Founder, Chief Executive Officer, Chief Medical Officer

Dr. John W. Cassidy is certified by the American Board of Psychiatry and Neurology and has over 30 years of experience in clinical neuroscience and neurobehavioral rehabilitation programs. Currently operating as CEO and Chief Medical Officer of Nexus Health Systems – which he founded in 1992 – Dr. Cassidy was previously the Psychiatrist in Charge and Co-Founder of the Neuropsychiatry Program at McLean Hospital; Chief Medical Officer and Founder of the Neurobehavioral Institute of Houston; Director and Founder of the Neuropsychiatry Subspecialty Services of Del Oro Rehabilitation Hospital; and Medical Director of Neurobehavioral Programs at Cypress Creek Hospital.

Devoting his career to improving the understanding and treatment of individuals with acquired and traumatic brain injuries, Dr. Cassidy continues to help patients return to productive and meaningful lives through a neurospecialty continuum of care. His comprehensive rehabilitative approach delivers more than traditional therapies, addressing a person’s interpersonal, behavioral, cognitive, physical, and emotional challenges to ensure a more successful rehabilitation journey and clinical outcome.

Dr. Cassidy received his Bachelor of the Arts from Hiram College and Doctor of Medicine from the University of Cincinnati College of Medicine. In addition, he received his post-graduate training at Harvard Medical School. Dr. Cassidy has spoken nationally and internationally about the sequela and management of severe traumatic brain injury and authored three books and a number of papers, book chapters, and editorials.

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Photo of Erin Cassidy, member of Nexus leadership team
Erin Cassidy, MSN, MBA
President

Erin Cassidy joined Nexus Health Systems in 2008 and is currently the President. Prior to assuming her current role, she held various roles at Nexus Specialty Hospital including CEO and Administrator, Operations Specialist, and Assistant Administrator. She began her career at Nexus as a Marketing Liaison. Prior to joining Nexus, Ms. Cassidy held several leadership positions in medical doctor practice management in Sydney, Australia.

Ms. Cassidy holds a Bachelor of Arts in Sociology and Anthropology from Smith College and a Certificate in Culture Health Sciences from the Five College Consortium. In addition, she holds a Masters in Nursing from the University of Sydney, and a MBA with a concentration in Health Care Management from Rice University.

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Photo of Joel Talley, member of Nexus leadership team
Joel Talley
Chief Operations Officer

Propelling Nexus’ vision, Joel Talley works directly with facility administration to create and communicate facility strategy. He oversees new program development and ensures alignment with corporate goals. Mr. Talley joined the Nexus team in 2012 as a member of the Finance Department. Prior to this latest promotion, he was VP of Business Development. Before his tenure at Nexus, Mr. Talley accumulated nearly ten years in the finance and healthcare industries. Between his sales and finance experience, Mr. Talley looks forward to driving growth and ensuring all facilities run efficiently.

SEE LESS
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Photo of Kim Fields, member of Nexus leadership team
Kim Fields, MBA, CPA
Chief Financial Officer

As the head of the finance department, Kim Fields oversees the accounting and purchasing divisions, manages internal and external financial reporting and cost containment, and develops performance measures that support Nexus’ strategic direction. Mrs. Fields has been with Nexus for nearly ten years, and has worked exclusively for Nexus’ finance department for the last five. Prior to her time with Nexus, she was a Senior Auditor at Deloitte and was a Financial Analyst for an Austin-based healthcare system. Mrs. Field’s extensive background in finance, coupled with her existing knowledge of Nexus Health Systems, proves to be invaluable.

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Ann De la Rosa, RN, BSN, CRRN
VP of Complex Care

Ann De la Rosa graduated from UT Health Science Center in Houston, Texas in 1990 with a Bachelor’s of Science in Nursing, and has been a practicing nurse for 26 years. In 2011, she received certification as a Rehabilitation Nurse. Her tenure includes time as a SICU/PACU staff nurse responsible for patient care and clinical liaison responsible for community outreach and education for case managers and physicians.

Mrs. De la Rosa has been with Nexus Health Systems for over 20 years, and has been in a marketing and clinical liaison role for most of that time. She is currently based out of the Nexus Health Systems corporate office as the VP of Complex Care and assists all facilities and clinical teams. She is responsible for national outreach, education, and patient evaluations. Mrs. De La Rosa also collaborates with insurance companies, worker’s compensation, and the military to provide solutions for complex cases.

SEE LESS
SEE MORE
Photo of Yobi Kasper, member of Nexus leadership team
Yobi Kasper
VP of IT

Yobi Kasper serves as the Vice President of Information Technology.  He has 20+ years of healthcare accomplishments in aligning technology with excellence in patient care.  Mr. Kasper’s role is to provide Nexus Health Systems with a technology vision that supports business continuity and the corporate mission, utilizing proven industry standards and best practices in healthcare technologies.  He is charged with developing, implementing, optimizing, and supporting all traditional IT platforms and healthcare systems across the enterprise. Before joining Nexus, Mr. Kasper held several leadership positions with various multi-site healthcare systems.  During his free time, he enjoys traveling with his wife and various recreational activities like hunting, mountain bike riding, PC gaming, and downhill skiing.

SEE LESS
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Photo of Kevin McAndrews, member of Nexus leadership team
Kevin McAndrews, MHR
Chief Human Resources Officer

Kevin McAndrews brings a depth of HR management expertise with over 30 years of experience in the bio-instrumentation and healthcare industry. The past 15 years, Mr. McAndrews held executive leadership roles within the private, private equity, and publicly traded organizations. He joined Nexus Health Systems in June 2015 as the Vice President of Human Resources. In his previous roles Mr. McAndrews oversaw all national and international human resources offices, with offices and HR Staff in over 10 countries. Additionally, under Mr. McAndrews leadership, his past companies have been recognized and received the Wall Street Journal Best Places to Work, The International Spirit at Work Award, Red Cross Platinum Award, and Inc. 5000 Fastest Growing Companies.

Mr. McAndrews holds a Bachelor’s Degree in Sociology & Psychology from Loyola Marymount University in Los Angeles and holds a Master of Science in Human Resources from Golden Gate University in San Francisco. He is a native of Los Angeles and a full-time resident of Houston since 2015.

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Corporate Directors

Photo of Vanessa Blaze, member of Nexus leadership team
Vanessa Blaze, MBA
Corporate Director of Human Resources

 Vanessa Blaze joined Nexus Health Systems in 2014 as part of the Support Services Human Resources team, supporting frontline heroes through oversight of all things HR. Vanessa holds a Master of Business Administration with a minor in Human Resource Management. She has 20 years of experience in the human resources field, working in a variety of HR roles in oil & gas, pharmaceutical, and retail industries. She enjoys cooking for her family, watching documentaries, and reading in free time.

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Emily Le, Nexus Health Systems
Emily Le, PhD
Corporate Director of IT

Emily comes to Nexus with over 20 years of Healthcare IT experience, leading large operational projects and responsible for revenue cycle technology.  She received her master’s in health administration as well as her Doctorate in Health Studies with an Accounting Specialization from Texas Woman’s University.  She is passionate about blending technology and patient care to create process efficiencies and improved clinical operations.  Emily’s focus for Nexus will be artificial intelligence (AI), automation, and collaboration with community leaders/organizations to solve patient needs.

In her spare time, she enjoys listening to audiobooks and traveling with her family.

SEE LESS
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Wendy Moses
Controller

Wendy joined the company as Corporate Controller in 2023 with over 15 years of accounting experience in various industries, including the healthcare sector.  Wendy became a licensed CPA in 2013 and specializes in budgeting, financial reporting, managing accounting operations, and improving processes.  She earned a BA in Environmental Studies from the University of North Carolina – Wilmington and an MS in Accounting from Western Governor’s University.  Wendy is a member of the American Institute of CPAs and also holds the AICPA’s Chartered Global Management Accountant designation.  In the workplace, she is passionate about connecting with people and contributing her skills to organizations that help improve the quality of people’s lives.

Wendy is a native Texan.  In her spare time, she enjoys spending time with her family, reading in the personal and spiritual growth category, playing tennis, and watching the Astros win world championships.

SEE LESS
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Photo of Tiffani Todd, member of Nexus leadership team
Tiffani Todd BA, MSN, RN, CMRN
Corporate Director of Compliance and Quality

Tiffani began her nursing career in Neonatal ICU and has spent the past 18 years excelling in Quality, Risk Management, and Compliance roles. Her experience ranges from VP Quality at one of Houston’s largest Federally Qualified Health Centers, to Director of Compliance at one of Houston’s Level I trauma centers.  She received her Bachelor of Arts with a Pre-law emphasis from University of Central Oklahoma.  She went on to complete a Bachelor of Science in Nursing and Master of Science in Nursing from University of Texas Health Science Center Houston School of Nursing.  She received the JP McGovern Award of Excellence from the University of Texas for her research poster project.  She has also received recognition for her QI projects and Risk Management experience, including being an approved provider of nursing education entitled Legal Aspects of Nursing Documentation through the Louisiana State Nurses Association.   Tiffani originally joined Nexus in 2011 as Director of Quality for Nexus Children’s Hospital.  She rejoins Nexus executive team as the Corporate Director of Compliance & Quality.  In her spare time, Tiffani enjoys gardening, Crossfit with her husband, and time with her Australian Shepherds.

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Bijoy Varghese, MBA
Director of Network Management

With more than 10 years of experience in practice management, provider consulting, and practice start-ups, Bijoy Varghese has developed stable structures for in-house provider groups. With current oversight of patient-specific and payor contracts, Bijoy aims to bring clinical understanding and alignment of the special population at Nexus Health System.

With a focus on positive leadership, and a deep desire to raise people’s internal capacity, Bijoy focuses on challenging Nexus leadership to think outside the box while maintaining healthy relationships with all payor partners.

He holds a BS in Healthcare Administration from University of Illinois and a MBA from Texas A&M University.

SEE LESS
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Marvin Washington, MHA
Corporate Director of Revenue Cycle

Marvin Washington has his Master of Science in Healthcare Management and brings 23 years of experience in revenue cycle management to Nexus Health Systems. He recently oversaw Revenue Cycle Support Services for Driscoll Children’s Hospital in Corpus Christi, Texas. 

Marvin was born in Louisiana, and raised in Dallas, Texas. He has five siblings and a dog named Blaze. His favorite food is TexMex and he enjoys fitness and running. Marvin is a lifelong innovator and learner, who enjoys reading books, superheroes, has a knack for developing processes, and is very passionate about people.

SEE LESS
SEE MORE
Trevor Wilganowski
Director of Talent Acquisition

Trevor is a native Houstonian with more than 10 years of talent acquisition experience in the healthcare space. His deep understanding of the industry, coupled with an innate ability to build strong relationships, has allowed him to consistently deliver exceptional results. Trevor is a passionate sports fan and enjoys spending time with his wife and daughter, Lexi. In his free time, he plays golf and coaches youth sports.

SEE LESS
SEE MORE
DeUnique Wilson
Field Controller

DeUnique Wilson spent almost a decade in finance and accounting and has specialized in healthcare accounting for the past five years. In her current role, DeUnique has continued to merge finance and operations analysis to assist other leadership team members with their decision-making. DeUnique hopes to grow with Nexus by developing and implementing new processes for daily operations both at the facility and corporate level.

DeUnique Wilson received her MBA at Capella University in 2022. She has two kids and enjoys traveling and spending time with her family. 

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Facility Leadership

Photo of Roger Caron, member of Nexus leadership team
Roger Caron
CEO, Nexus Children's Hospital – Houston

Roger Caron began his career in health care while serving in the Navy. During his 28 years of service, he participated in multiple deployments and held various health service support roles. Most recently Mr. Caron served as the CEO of Long-Term Acute Care hospital in Pennsylvania.  Roger joined Nexus as the CEO of Nexus Children’s Hospital – Houston in August of 2022.  He is committed to building a team that provides the best possible care for our patients. Mr. Caron enjoys hiking through the Appalachian Mountain range with his wife and family.

Mr. Caron received a bachelor’s from Southern Illinois University and Master of Healthcare Administration from Baylor University.

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Photo of James Resendez, member of Nexus leadership team
James Resendez, FACHE
CEO, Nexus Children's Hospital – Shenandoah

James Resendez has spent his entire career in hospital administration and brings 22 years of CEO level experience to Nexus Health Systems. Jim has managed various hospital facilities throughout the southwest, with much of his experience in the Texas market. He is a Texas native, receiving his Bachelor of Science – Biology degree from the University of Texas San Antonio and his Master of Health Care Administration from Trinity University.

Jim’s passion is hospital operations, with a focus on performance and accountability. In addition to hospital management, he also has extensive experience in provider network development and strategic planning.

Jim enjoys spending time with his wife and children, golfing, running, and is also a life-long baseball card collector.

SEE LESS
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Photo of Stephanie Ruktantichoke, member of Nexus leadership team
Stephanie Ruktantichoke, M.S. CCC-SLP
CEO, Nexus Children's Hospital – The Woodlands

Stephanie Ruktantichoke comes to Nexus Health Systems with 10 years of experience working in Long Term Acute Care hospitals in progressive leadership roles. Prior to joining Nexus, Stephanie was the Executive Director for Rehab Operations over eight LTAC facilities in the Houston Area. In her free time Stephanie enjoys spending time with family, strength training and running.

Stephanie’s education includes a BA and MS in Communication Sciences and Disorders from Baylor University.

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Photo of Cory Blomquist, member of Nexus leadership team
Cory Blomquist, MBA, MHSA
CEO, Nexus Neurorecovery Center – Conroe

Cory Blomquist is a mission-driven leader who comes to Nexus with years of executive experience in dialysis and skilled nursing. After earning his BS in Management and Finance from Brigham Young University, Cory turned his educational sites on healthcare. He prepared himself for a career in healthcare leadership by earning his Master of Business Administration and Master of Health Services Administration from the University of Michigan.

After graduating from Michigan, Cory furthered his passion for healthcare leadership and culture building by joining DaVita’s leadership development program: The Redwoods Program. He then pursued an opportunity to create a lasting, positive impact on the world of inpatient healthcare by joining the Providence Group as a nursing home administrator in California. In his time with Providence, Cory lead facility turnarounds, drove the licensing, certification, opening and operating of de novo Skilled Nursing Facilities, and oversaw operations of a portfolio of five facilities, across two states.

During his free time, Cory loves spending time with his wife and four children, playing and coaching baseball, running, and golfing.

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