Ernest C. Lynch III, FACHE, Chief Executive Officer

Ernest C. Lynch III, FACHE, has served as CEO of Medical City McKinney since 2002. Prior to joining the hospital he served in several capacities with HCA affiliates, including COO at Medical City Plano, CEO of Medical Center of Lancaster, and COO of Longview Regional Medical Center. Prior to joining HCA in 1996, Lynch served in the Lubbock Methodist Hospital Tenure. During his 10-year tenure in Lubbock he served in numerous capacities ranging from administrative resident to senior vice president.

Lynch has more than 30 years of experience in healthcare administration both in for-profit and not-for-profit settings. In addition, his experience ranges from large tertiary systems to small community facilities.

Lynch holds a bachelor's degree in finance from Texas Tech University, and a master's of healthcare administration form Trinity University. He is a Fellow of the American College of healthcare Executives and affiliated with Texas Hospital Association. Lynch has served as chair of the McKinney Economic Development Corporation Board of Directors, is past chair of the McKinney Chamber Board and on the McKinney Alliance board. He previously served on the Dallas-Fort Worth Hospital Council Board of Trustees, the McKinney Education Foundation board, and McKinney Main Street board.

Cassidi Roberts, RN, Chief Nursing Officer

Cassidi Roberts CNO

Ms. Roberts, who began her career as an emergency nurse in 2003, has served Medical City McKinney since 2007 in various positions, including staff nurse, clinical supervisor, director, executive director, and assistant chief nursing officer.

Through the utilization of relationship-centered tactics, Ms. Roberts has impacted cultural changes across the organization to increase employee engagement and patient satisfaction scores. Her commitment to quality and patient safety has led to multiple "A" patient safety ratings from The Leapfrog Group and the Healthgrades Patient Safety Excellence Award.

Ms. Roberts holds a bachelor's degree in nursing and a master's degree in nursing administration from Western Governor's University. She is board certified in emergency nursing and is a member of the Emergency Nurses Association. In 2017, she was named one of The DFW Great 100 Nurses.

Jaya Kumar, MD, Chief Medical Officer

Jaya Kumar, MD

Prior to joining Medical City McKinney as the Chief Medical Officer (CMO) in February 2019, Jaya Kumar, MD, served as the medical director for a 12-physician hospitalist group at Medical City Denton and has practiced at Medical City Healthcare hospitals since 2012.

As the CMO, Kumar helps advise and lead the hospital’s medical experts and is a key position on the leadership team. Kumar is board certified in nephrology and internal medicine and actively participates in a number of patient-centered initiatives and committees throughout the hospital.

She received bachelor's degrees in medicine and surgery from King George Medical College in India. She completed her internal medicine residency at Long Island College Hospital in New York and UCSF (Fresno) in California.

Andrew Zenger, Chief Operating Officer

Andrew Zenger, COO

Andrew Zenger was named Chief Operating Officer at Medical City McKinney in February 2019. In this role, Zenger oversees day-to-day operations, business strategies and compliance policies.

Zenger previously served as the Assistant Administrator at Medical City Arlington. He oversaw both clinical and support departments, hospital throughput, and served as interim director of the physician and provider relations team.

Prior to his role at Medical City Arlington, Zenger worked at several of the system’s North Texas hospitals including, Medical City Dallas, Medical City Plano, and the division office as the Administrative Resident. He is part of HCA Healthcare’s Executive Development Program, class of 2019, and is a member of the American College of Healthcare Executives.

Zenger has a bachelor's degree in business administration from Brigham Young University in Provo, Utah, and a master's degree in healthcare administration from Trinity University in San Antonio, Texas.

Anthony Villagran, Chief Financial Officer

Anthony Villagran, CFO

Anthony Villagran was named Chief Financial Officer for Medical City McKinney in June 2020. He previously served for more than five years in the same position at Medical City Alliance.

Villagran also held the title of Ethics & Compliance Officer at Medical City Alliance. He came to North Texas from HCA Healthcare's San Antonio Division, where he worked as an Assistant Controller, Controller and Vice President of Finance from 2008 to 2014.

His career with Medical City Healthcare began at Medical City Arlington, where he as Vice President of Finance before moving to Medical City Alliance in December 2014.