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Wm. Jennings Bryan Dorn VAMC


Leadership Team

Portrait of David L. Omura

David L. Omura | (803) 695-7980


David L. Omura was appointed Medical Center Director/CEO for the William Jennings Bryan Dorn Veterans Affairs Medical Center on March 19, 2017, and was sworn in as a member of the Senior Executive Service on March 20, 2017. Dr. Omura provides oversight and leadership of a healthcare system that includes a medical center that is located in Columbia, SC; and seven Community Based Outpatient Clinics that cover 2/3rd the state of South Carolina. This healthcare system serves more than 82,000 Veterans, is staffed by more than 2,450 employees, and has an operating budget of $493M.

Prior to Dr. Omura’s appointment to this role, he served as the Medical Center Associate Director/COO, since September 2012. In this role, he was held operational oversight over fiscal, human resources, engineering, safety, privacy, logistics, and the business office. Preceding his roles in executive leadership, Dr. Omura served in clinical and administrative roles both at the North Florida/South Georgia Veterans Health System and the University of Florida Health System.

Dr. Omura is a New York native, earning his Master of Science degree in Physical Therapy from Boston University, his Master in Health Care Administration from the University of Florida, and his Doctorate in Physical Therapy from Mass General Hospital Institute of Health Professions. He is a member of the American College of Healthcare Executives and the Federal Asian Pacific American Council. Dr. Omura is a graduate of the VHA Health Care Leadership Development Program and the Federal Executive Institute. He serves as an Adjunct Faculty at the University of South Carolina, and is actively engaged in community partnerships.

Portrait of Karen Collins

Karen Collins | 803-776-4000x7980

Interim Associate Director

Portrait of Bernard L. DeKoning, M.D.

Bernard L. DeKoning, M.D. | (803) 695-7982

Chief of Staff

Dr. Bernard L. DeKoning was appointed Chief of Staff on January 26, 2014. DeKoning graduated from the University of Illinois in 1978 with a BS in Chemistry and Biology and received his MD from Rush Medical College in 1982. While in medical school, DeKoning enrolled in the Defense Department's Health Profession Scholarship Program in 1980 under sponsorship of the US Army and later completed a Family Medicine residency in 1985 at Rush Presbyterian St Luke's Medical Center in Chicago, Ill.

Beginning with this first assignment, DeKoning's 28-year military career in the Army included tours as a staff family physician or commanding officer at hospitals, clinics, military headquarters, and a biodefense research laboratory in the United States, Europe, Southwest Asia, and Central America. DeKoning also completed deployments to Honduras, Kosovo, and Iraq. DeKoning retired from the Army in 2013 and continues his career in serving the Veterans and staff at Dorn VA Medical Center.

Due to his close involvement with clinical education and research, DeKoning maintains close ties with all affiliates, including the University of South Carolina and Palmetto Health University Clinics, as well as Moncrief Army Hospital and Shaw Air Force Base in South Carolina.

Portrait of Ruth W. Mustard, R.N.

Ruth W. Mustard, R.N. | (803) 695-6778

Associate Director for Nursing/Patient Services

Portrait of Lisa Nashton

Lisa Nashton | (803) 695-5749

Acting Assistant Director