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 System. 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.
Manjula Julka, MD, FAAFP, MBA
Chief Medical Officer
Manjula Julka, MD, joined the leadership team at Medical City McKinney in December 2022.
Dr. Julka is a board-certified family physician with a background in designing innovative pathways for patient care initiatives. She comes with over 20 years of experience in leading and ensuring the highest quality of care and excellence in patient experience.
Prior to this role, Dr. Julka served as vice president of medical affairs at Signify Health. She was vice president of clinical innovation at the Parkland Center for Clinical Innovation and medical director at UT Southwestern Medical Center. The author of multiple publications, she has led healthcare panels at both the national and regional levels.
Dr. Julka earned a medical degree from the University of Bombay in India and served her residency at UT Southwestern Medical Center. She earned a Master of Business Administration from the University of Texas at Dallas.
Cassidi Summers, MSN, RN
Chief Nursing Officer
Cassidi Summers, MSN, RN, CEN, NEA-BC, has served as Medical City McKinney’s chief nursing officer since 2016. In this role, she oversees all nursing operations at the hospital including quality improvement, nursing standards and professional practice.
Summers started her career at Medical City McKinney as a clinical staff nurse and supervisor in the emergency department. She later held progressive leadership roles prior to being promoted to CNO.
She has built a successful infrastructure to support professional development and evidence-based clinical excellence with a commitment to patient safety and quality outcomes. Under her leadership, employee engagement scores, physician satisfaction of nursing care and patient satisfaction scores have increased. Medical City McKinney achieved the American Nurses Credentialing Center (ANCC) Magnet designation in 2021, a distinction awarded to fewer than 8% of hospitals across the nation.
Summers has a Bachelor of Science in Nursing and a Master of Science in Nursing Administration from Western Governors University. Among her honors, she was named a 2017 DFW Great 100 Nurse and received a 2020 Texas Nurses Foundation honor was a Texas Nurse Association Nurse of the Year honoree.
Allen Marsh, FACHE
Chief Operating Officer
Allen Marsh, FACHE, serves as chief operating officer for Medical City McKinney, starting in April 2023.
In this role, Marsh provides leadership and direct administrative oversight of strategic planning for business development and project management resulting in the growth of services, improvements in patient care, and patient and physician satisfaction.
With nearly two decades of healthcare experience, Marsh served as COO of Medical City Lewisville for four years and was a vice president before that role in HCA Healthcare’s Continental Division. Prior to HCA Healthcare, he spent 10 years working for various North Carolina and Georgia facilities.
Marsh earned a Master of Health Administration and a Master in Business Administration from Georgia State University and a Bachelor of Science in Biology from the University of Georgia. He is a Fellow of the American College of Healthcare Executives.
Renee Sturgeon
Chief Financial Officer
Renee Sturgeon joined Medical City McKinney at Chief Financial Officer in September 2022. She came from Medical City Lewisville, where she held the same position since 2018.
As CFO, Renee has direct reporting responsibility for all financial operations and oversight of finance, patient access, health information management, case management, revenue integrity, IT&S, and supply chain, hospitalist program and inpatient rehabilitation.
Renee has more than 20 years of experience in healthcare finance, and previously served as the Vice President of Finance for Medical City Dallas and Medical City Children’s Hospital, as well as other roles throughout HCA Healthcare over the years. Throughout her career, Renee has displayed a record of proven results with financial, operational and strategic initiatives.
Renee earned a Bachelor of Science in Business Administration with a focus in accounting from The University of Texas at Dallas.