Chief Executive Officer
LaSharndra “Sharn” Barbarin, MHA, FACHE, is chief executive officer at Medical City Arlington, joining the executive leadership team in 2022.
As CEO, Barbarin provides leadership, strategic direction and direct administrative responsibility for all aspects of financial operations, clinical quality and patient experience for Medical City Arlington.
With more than 20 years of healthcare leadership experience, Barbarin began her career with HCA Healthcare as an administrative fellow at Medical City Las Colinas and was quickly promoted to COO at Medical City McKinney where she served nine years. She was advanced to COO at Medical City Arlington in 2011 before being promoted to CEO at Medical City Lewisville in 2015.
Outside of the hospital, Barbarin has served in community leadership positions including the DFW Hospital Council Board of Trustees, the board of directors for the Lewisville and Flower Mound Chambers of Commerce, Medical City Healthcare Diversity and Inclusion Council, the HCA Healthcare Division Diversity and Inclusion Council and the HCA Healthcare Hope Fund Board, among others.
Barbarin has been honored with multiple awards including the Dallas Business Journal “Minority Business Leader,” “Outstanding Alumni” by Tulane University’s School of Public Health & Tropical Medicine, “Top 25 Women in Business” by McKinney Living, “Young Healthcare Executive of the Year” nominee by the DFW Hospital Council and named a “2022 Women in Business” honoree by the Dallas Business Journal.
Barbarin is a graduate of Louisiana State University and earned a Master of Health Administration from Tulane University. She is a Fellow of the American College of Healthcare Executives.
Eric Benink, MD
Chief Medical Officer
Dr. Eric Benink was named Chief Medical Officer (CMO) at Medical City Arlington in November 2016. He brings more than 30 years of healthcare experience to his leadership role at Medical City Arlington.
Dr. Benink previously served as Senior Vice President and CMO at Regional One Health, CMO at Northwest Community Hospital and CMO at OSF Saint Anthony Medical Center. Dr. Benink was also a clinical instructor and assistant professor for the emergency medicine residency program, at OSF Saint Francis Medical Center and held faculty positions at the University of Illinois College of Medicine Peoria and Rockford campuses. Specializing in emergency medicine, Dr. Benink also served in the United States Air Force during the Gulf War.
Dr. Benink earned his medical degree at Rush Medical College in Chicago, Illinois. He completed his residency and served as Chief Resident at Advocate Christ Hospital and Medical Center in Oak Lawn, Illinois. He also earned a Master of Business Administration from The George Washington University in Washington D.C.
Chief Nursing Officer
Jim Allard, DNP, RN, NEA-BC, FACHE, joined Medical City Arlington as chief nursing officer in August 2022.
Allard, who has been with HCA Healthcare since 2013, previously was chief nursing officer at Medical City Children’s Hospital in Dallas and at one time served as director of pediatric services there.
Before coming to North Texas, Allard previously served as assistant chief nursing officer at Clear Lake Regional Medical Center, part of the HCA Gulf Coast Division. He also worked in several leadership roles at The Women’s Hospital of Texas.
Allard earned a Doctor of Nursing Practice degree from Texas Christian University and a master’s degree in Nursing Administration from the University of Texas at Arlington.
Jeff M. Ardemagni
Chief Financial Officer
Jeff Ardemagni was named Chief Financial Officer (CFO) at Medical City Arlington in August 2009. He brings more than 19 years of healthcare experience to his leadership role at Medical City Arlington.
Jeff previously served as VP of Finance of Medical City Plano, Administrative Director of Finance at Medical City McKinney, Associate Controller in the HCA Executive CFO Development Program at Medical City Plano and Reimbursement Coordinator in the HCA Corporate Reimbursement Department.
Jeff earned his Bachelor of Science in Accounting at the University of Arkansas Little Rock and a Bachelor of Science in Business Administration in Financial Management from the University of Arkansas.
Vice President of Operations
Marcus Jackson joined the leadership team at Medical City Arlington in November 2017. He brings more than 22 years of healthcare experience to his leadership role at Medical City Arlington.
Marcus previously served as the Director of Cardiopulmonary Services at Methodist Mansfield Medical Center. Along with operational responsibility for Cardiology, Cath Lab and PCIU, Marcus provided leadership in several construction expansions of Cardiac Cath Lab Services. Prior to that role, Marcus served as the Director of Respiratory Care and Interim Pharmacy Director.
Marcus is a Marine Corps Reserve veteran. He earned a Bachelor of Arts in Ministry and Leadership at Dallas Christian College, a Master of Business Administration and Master of Health Systems Management from Texas Woman’s University, and a Master of Arts in New Testament Preaching from Johnson Bible College.
Chief Operating Officer
Dillon Rai joined Medical City Arlington as chief operating officer in March 2023. Since 2018, Rai has served in leadership positions with HCA Healthcare, Medical City Healthcare’s parent company. Most recently, he was vice president of operations and then associate chief operating officer at HealthONE’s Swedish Medical Center, a Level I Trauma facility and part of HCA Healthcare. During his tenure at Swedish in Englewood, Colorado, Rai had executive oversight for business development, surgical services, cardiovascular, burn and reconstruction and other key service lines. Additionally, he provided oversight for several large construction projects, including a 90-bed patient tower and a cancer pavilion.
While at Swedish Medical Center, Rai helped the hospital increase performance in patient satisfaction and physician engagement. In addition, he chaired the HealthONE Asian/Pacific Islander Colleague Network.
Rai earned a Master of Health Care Administration from Trinity University and a Bachelor of Science in Community Health from the University of Maryland.