Erol R. Akdamar, FACHE

Erol R. Akdamar, FACHE, serves as president of Medical City Healthcare, HCA Healthcare’s North Texas Division. Medical City Healthcare is one of the largest divisions in the HCA Healthcare portfolio and includes 16 hospitals, 11 ambulatory surgery centers, 42 CareNow urgent care centers, more than 5,000 active physicians, 6,000 nurses and 17,000 employees in the North Texas area. The division boasts seven hospitals that hold the prestigious Magnet Recognized® status from the American Nurses Association, ten trauma centers and three accredited comprehensive stroke centers.

Akdamar began his career with HCA as an administrative resident in 1993. Since that time, he has become known for his leadership and growth initiatives in the hospitals he has served from Louisiana to Georgia and Texas. His mantra of “excellence always” has resulted in exceptional employee engagement, outstanding quality and earnings performance.

He is a graduate of Louisiana State University in Baton Rouge, Louisiana and received his Master of Health Administration from Tulane University School of Public Health and Tropical Medicine in New Orleans. Akdamar is a Fellow with the American College of Healthcare Executives and currently serves on the board of trustees for the Texas Hospital Association and the Dallas Medical Resource. He is also part of the Dallas-Fort Worth Business Group on Health and proudly serves as a Mercy Street mentor and a preceptor in the HCA Healthcare COO Development Program. Akdamar was honored to serve as Corporate Chair for the 2017 Dallas Light the Night walk benefitting the Leukemia and Lymphoma Society, was named the D CEO 2017 Outstanding Healthcare Executive and has been named to the “Dallas 500” list of most powerful CEO’s since 2017. Because of his courageous leadership during the COVID-19 pandemic, Akdamar was honored by the Dallas Business Journal as one DFW’s Most Inspiring Leaders of 2021.

Joseph Parra, MD
Chief Medical Officer

Joseph Parra, MD, serves as chief medical officer (CMO) of Medical City Healthcare, bringing extensive medical and leadership experience to this role. Dr. Parra provides senior clinical direction and collaborates closely with physicians, clinicians, colleagues and leadership to ensure the successful implementation of the division’s vast and multi-faceted patient care initiatives. His focus is to ensure outstanding clinical care through exceptionally effective and compliant quality management programs, including patient and employee safety initiatives.

Dr. Parra served previously as CMO for HCA Healthcare’s North Florida Regional Medical Center, where he oversaw operational improvements that resulted in increased quality scores and physician satisfaction. Prior to that role, he served as CMO of Orange Park Medical Center for four years, achieving Level II Trauma status and starting a graduate medical education program, among other initiatives.

A hospitalist by training, Dr. Parra holds multiple medical board appointments and is involved in several philanthropic organizations. He earned a Master in Business Administration from Fort Hays University in Kansas and a Doctor of Medicine from the University of Kansas.

Zach Mueller, DNP, RN, NEA-BC
Chief Nursing Executive

Zach Mueller, DNP, RN, NEA-BC, serves as chief nursing executive (CNE) of Medical City Healthcare. In this role, he oversees the nursing practice, education, informatics, research and operations for nurses at all Medical City Healthcare hospitals in North Texas.

Mueller joined Medical City Dallas and Medical City Children’s Hospital in 2011 and was promoted to senior vice president and chief nurse in 2015. Under his leadership, patient satisfaction scores for women’s services and the neonatal intensive care unit increased significantly and Medical City Dallas received an unprecedented third Magnet® designation for nursing excellence. In 2014, he was named among the prestigious Dallas-Fort Worth “Great 100 Nurses.”

Known for his innovation, Mueller created the Compassion Campaign, a multiphase patient and employee experience initiative designed to create compassionate connections between nurses and patients. The campaign contributed to the highest registered nurse (RN) employee engagement in five years and notable improvements in patient satisfaction.

Mueller brings a wealth of healthcare experience to his role, having worked in nursing for over 20 years, starting at the bedside as an RN primarily in the emergency department. He has also served in a variety of leadership roles, including as director of education, director of pediatrics and director of cardiovascular services. Mueller is active in several professional organizations, including the Emergency Nurses Association (ENA) and the American Organization of Nurse Executives (AONE). His career achievements include speaking nationally and internationally on a variety of nursing and healthcare topics.

Mueller earned a Doctor of Nursing and a Doctor of Nursing Practice from the University of Colorado. He also has a master’s degree in nursing and two undergraduate degrees. He is board certified by the American Nurses Credentialing Center as a nursing executive, advanced.

James H. Burrell III, MD
Chief Medical Informatics Officer and Chief Medical Officer

James H. Burrell III, MD, serves Medical City Healthcare as chief medical informatics officer and chief medical officer of its employed medical group.

Previously, he was the chief medical officer for Cigna’s staff model HMO in Arizona, a Level III patient-centered medical home with 25 clinics and 200 physicians, which operated a Medicare Advantage Plan and a commercial ACO.

Prior to that and after retiring from 18 years in clinical practice, Dr. Burrell developed a professional association that employed 180 physicians who worked in clinics in 22 communities in western Texas and eastern New Mexico. A Catholic hospital system acquired this organization from Dr. Burrell and appointed him as its chief executive officer and chief medical officer, positions in which he served for 14 years.

Dr. Burrell’s undergraduate education was at Texas Tech University. He attended the University of Texas Medical Branch for medical school and for his internal medicine residency.

Ronnie Midgett
Chief Financial Officer

Ronnie Midgett serves as chief financial officer (CFO) of Medical City Healthcare and is directly responsible for strategic planning and oversight of all accounting and financial operations for the division. A respected leader, Midgett brings decades of experience to the role and is known for his collaborative and innovative approach, driving high quality healthcare value for patients and the community.

Midgett has been part of HCA Healthcare, parent company of Medical City Healthcare, since 1997. Prior to this role, he served as division CFO at Methodist Healthcare in San Antonio, where the division successfully added five off-campus emergency rooms and a 42-bed inpatient rehabilitation hospital. He also served as CFO of HCA Healthcare’s Reston Hospital Center in Reston, VA, Capital Regional Medical Center in Tallahassee, FL, and Colleton Medical Center in Walterboro, SC.

Midgett earned a Bachelor of Business Administration with a concentration in accounting and a Master of Business Administration from Charleston Southern University.

Vince Doyle
Chief Information Officer

Vince Doyle serves Medical City Healthcare as Chief Information Officer. In this role, he delivers technology solutions that solve business challenges and support superior, patient-centered care.

Doyle most recently served as CIO of HCA Healthcare’s South Atlantic Division, where he oversaw two large acquisitions, implemented innovative technologies for patients and caregivers, and created efficiencies through Lean Six Sigma processes. Previously, he held IT leadership positions in HCA Healthcare’s North Florida and South Atlantic Divisions.

Prior to joining HCA Healthcare, Doyle held leadership positions within a large Level 1 Trauma hospital in Denver and a nationwide management-consulting firm specializing in outpatient diagnostic imaging centers.

Doyle holds an MBA in Strategic Management from Regis University and a bachelor’s degree in Management Information Systems from Southern Methodist University. He is also a graduate of the HCA Healthcare Emerging Leaders Program.

Jamie Youssef
Chief Development and Integration Officer

Jamie Youssef serves as chief development and integration officer for Medical City Healthcare. He leads the strategic growth of the division, including physician partnerships, service line development, network integration and other efforts to improve healthcare programs in the communities served by Medical City Healthcare and CareNow.

Youssef began his Medical City Healthcare career in 2011, serving as vice president of neurosciences, orthopedics, oncology, bariatrics and robotic surgery at Medical City Dallas hospital. In 2013, he was promoted to senior vice president and chief development and operations officer. Prior to joining HCA Healthcare, Youssef served as vice president of Integrated Healthcare Strategies, a strategic consulting firm focused on physician development, and as director of operations for OhioHealth.

Youssef earned his Bachelor of Science and Master of Healthcare Administration from The Ohio State University in Columbus.

Jenifer Tertel
Regional Vice President of Human Resources

Jenifer Tertel serves as regional vice president of human resources for Medical City Healthcare, a role she has held since 2015. In this role, Tertel oversees human resources functions including recruitment, employee engagement and colleague relations for 17,000 colleagues across 16 hospitals, 11 ambulatory surgery centers and 40+ CareNow urgent care locations.

Tertel began her career with HCA Healthcare in 2006 when she joined Medical City Dallas Hospital as director of recruiting and employee relations. She was promoted to vice president of human resources, co-ethics and compliance officer, employee health and volunteer services in 2010 at Medical City Dallas where she served for 9 years. Her proven success with employee engagement, talent acquisition strategies and process improvement innovation has helped Medical City gain a reputation as an employer of choice in the North Texas area. Under Tertel’s leadership, Medical City Dallas was recognized by the Alfred P. Sloan Foundation for Workplace Flexibility and Excellence, Best Companies to Work for in Texas by the Texas Association of Business and Society for Human Resource Management and Best Place to Work in Dallas by the Dallas Business Journal.

Prior to joining HCA Healthcare, Tertel was the regional recruiting director and executive recruiter for Mercy Health (Catholic Healthcare Partners) in Cincinnati, Ohio. Before working in human resources, Tertel spent ten years in the property and casualty insurance business working in litigation, with a strong emphasis on case mediation.

Tertel earned a Bachelor of Arts in Political Science and a minor in Economics from Wright State University in Dayton, Ohio. She also holds a Master of Business Administration degree from Northern Kentucky University with an emphasis on strategic marketing. Tertel holds Senior Professional Human Resources (SPHR) and SHRM-SCP certifications.

John Thresher
Senior Vice President of Strategy and Development

John Thresher serves as Medical City Healthcare senior vice president of strategy and development. In this role, he works alongside senior leadership to anticipate, identify and organize opportunities to support community-essential growth of services, including major capital initiatives for access point expansion.

Thresher brings decades of executive business development, strategy and operations leadership. He has worked in high-level executive and sales roles across multiple healthcare sectors, including vice president of strategic growth and development for a major rehabilitation provider.

Thresher is a proud graduate of the U.S. Military Academy in West Point where he graduated with a Bachelor of Science in Engineering Management. A distinguished honor graduate of the U.S. Army Flight School, he served as a senior army aviator, instructor pilot and instrument flight examiner. He earned several military awards and service medals, including a Bronze Star. He continues to serve with the Texas Army National Guard.

Mark E. Whitley
Senior Vice President of Network Assets and Referral Management

Mark E. Whitley is responsible for network asset development and referral management for the hospitals and outpatient centers of Medical City Healthcare. He began his career with HCA in 2005 as the vice president of the Outpatient Services Group. In that role, he was responsible for all of the North Texas Division’s outpatient development, including acquisitions and the development of new ambulatory surgery centers, imaging centers and oncology centers. Prior to joining HCA, he worked for nine years as a healthcare management consultant with Arthur Andersen and Ernst & Young and spent one year at Tenet Healthcare in outpatient development.

Whitley earned his Bachelor of Business Administration in finance and management from The University of Texas at Austin and his Master of Science in healthcare administration from Trinity University in San Antonio, Texas.

Toby Eastland
Vice President, Physician and Provider Relations

Toby Eastland is the vice president of physician and provider relations for Medical City Healthcare. He is responsible for physician engagement, service line growth and business development. Eastland joined Medical City in 2019 after serving in the same role for HCA Healthcare’s MidAmerica Division. Prior to joining HCA Healthcare, he served in various roles with healthcare companies including leadership positions in sales, operations, managed care contracting and business development.

Eastland received his Bachelor of Business Administration and Master of Business Administration degrees from Baker University.