Keith V. Zimmerman

Chief Executive Officer

Keith Zimmerman CEO

Keith Zimmerman was named Chief Executive Officer (CEO) at Medical City Arlington on April 1, 2017. He brings more than 27 years of healthcare experience to his leadership role at Medical City Arlington.

Keith previously served as CEO of Medical City Children's Hospital and Chief Development Officer at Medical City Dallas. Prior to Medical City Healthcare, Keith was the system Vice President of Business Development at Ohio Health in Columbus, Ohio. Before his tenure at Ohio Health, Keith held multiple operational and business development roles in healthcare.

Keith earned his undergraduate degree in business administration at the University of Louisiana and a Master of Business Administration in Health Care Management with Graduate Honors from Regis University in Denver, Colorado.

Eric Benink,MD

Chief Medical Officer

Erick Benink CMO

Dr. Eric Benink was named Chief Medical Officer (CMO) at Medical City Arlington in November of 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.

Cathy McLaughlin

Chief Nursing Officer

Cathy Mclaughlin CNO

Cathy McLaughlin, MSN, BSHM, RN,OCN was named Chief Nursing Officer (CNO) at Medical City Arlington in January of 2017. She brings more than 28 years of healthcare experience to her leadership role at Medical City Arlington.

Cathy previously served as a charge nurse, preceptor, Oncology Educator, Oncology Service Line Manager and Director at Medical City Plano and Medical City Dallas. Cathy also held leadership positions as IRU Director, Med/Surg Director and Magnet Program Director, leading Medical City Plano to initial Magnet Designation.

Cathy earned her degree in nursing at Mercy Hospital School of Nursing.

Ben Coogan

Chief Operating Officer

Ben Coogan COO

Ben Coogan was named Chief Operating Officer (COO) at Medical City Arlington in October of 2015. He brings more than 14 years of healthcare experience to his leadership role at Medical City Arlington.

Ben previously served in senior leadership positions at Medical City Dallas and Cigna Health Inc. Ben began his career in healthcare at Medical City Plano in 2006. He also held prior leadership roles with Baylor Scott and White Health System and Health Partners of America.

Ben earned his undergraduate degree in Psychology at Texas A&M University and a Master of Business Administration in Health Services Management from the University of North Texas.

Jeff M. Ardemagni

Chief Financial Officer

Jeff Ardemagni CFO

Jeff Ardemagni was named Chief Financial Officer (CFO) at Medical City Arlington in August of 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.

Virginia "Ginny" Johnson

Associate Chief Nursing Officer

Virginia Johnson ACNO

Ginny Johnson was named Assistant Chief Nursing Officer (ACNO) at Medical City Arlington in March of 2016. She brings more than 20 years of healthcare experience to her leadership role at Medical City Arlington.

Ginny previously served as ANCO at Medical City North Hills as well as Director of Women's Services at Medical City North Hills. Before joining Medical City North Hills, Ginny served as Manager of the Neonatal Intensive Care Unit at Medical City Dallas and Director of Inpatient Care for Mt. Carmel Regional Center in Pittsburg, Kansas. Ginny also served in various roles in the Baylor Healthcare System.

Ginny earned her undergraduate degree in Nursing at Baylor University and a Master of Business from Texas Women’s University.

James V. Boyle (Jim)

Vice President of Clinical Operations

Jim V Boyle VPClinOps

Jim Boyle was named VP of Clinical Operations at Medical City Arlington in July of 2016. He brings more than 20 years of healthcare experience to his leadership role at Medical City Arlington.

Jim previously served for 14 years in numerous leadership roles at hospitals located in the Chicago suburbs.

Jim earned his undergraduate degree in Nursing at Saint Xavier University and a Master of Science in Nursing in Health Systems Leadership with Graduate Honors from Lewis University.

Sherry Nelson

Vice President of Quality

Sherry Nelson VP Qual

Sherry Nelson, BSN, JD, was named VP of Quality at Medical City Arlington in February of 2017. She brings more than 18 years of healthcare experience to her leadership role at Medical City Arlington.

Sherry previously served at Mayo Clinic for over 10 years in many clinical areas, including Med/Surg and ICU. Shen then advanced to work in management for 8 years. Sherry decided to go to law school after which her work experiences expanded to include small rural hospital CNO/Assistant Administrator. Sherry then moved to the LTAC level of care as VP of Quality and later VP of Operation Support. After leaving the LTAC environment, Sherry returned to Quality leadership roles in the short-term hospitals as well as Methodist Hospital in Houston.

Sherry earned her Bachelor of Science degree in Nursing at the University of Iowa and a Juris Doctorate from Hamline University.

Mary Beth Short

Vice President of Human Resources

Mary Beth Short VP HR

Mary Beth Short was named Vice President of Human Resources at Medical City Arlington in October 2017. She brings more than 20 years of human resources experience, including more than 13 years in healthcare human resources to her leadership at Medical City Arlington.

Mary Beth previously served as Vice President of Human Resources at Medical City Alliance and Medical City North Hills. Prior to joining Medical City Healthcare, Mary Beth held human resources leadership positions at U.S. Anesthesia Partners, Medsynergies, Texas Health and Baylor Health Care System.

Mary Beth is a Navy veteran. She earned a Bachelor of Science in Business Studies, Human Resources Management from New Hampshire College and a Master of Business Administration from Texas Woman’s University. Mary Beth and her husband Elwyn reside in Little Elm and have three children.

Michael Smith

Vice President of Business Development

Michael Smith VP Business Development

Michael Smith was named VP of Business Development at Medical City Arlington in October of 2017. He brings more than 15 years of healthcare experience to his leadership role at Medical City Arlington.

Michael previously served as VP of Operations at FMC Services LLC in Amarillo, Texas. Prior to that role, Michael served in leadership positions with Baylor Health Care System, Northwest Texas Healthcare System, Eastern New Mexico Medical Center and Page Memorial Hospital in Virginia.

Michael earned a Bachelor of Science in Health Services Administration at Southwestern Oklahoma State University and a Master of Health Administration from the University of Oklahoma Health Sciences Center.

Marcus Jackson

Vice President of Ancillary Services

Marcus Jackson was named VP of Ancillary Services at Medical City Arlington in November of 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.