Leadership Team - Carl Vinson VA Medical Center Dublin, Georgia
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Carl Vinson VA Medical Center Dublin, Georgia

 

Leadership Team

David L. Whitmer, FACHE, Medical Center Director

David L. Whitmer, FACHE | 478-272-1210 Ext. 2901

Medical Center Director

David L. Whitmer has over 25 years of management and leadership experience at the National Institutes of Health (NIH) and the Veterans Heath Administration (VHA) and is currently the Director at the Carl Vinson VA Medical Center in Dublin, GA. A board-certified healthcare executive, Whitmer recently completed a yearlong assignment as the Interim Director for the Roseburg VA Healthcare System (RVAHCS) in Roseburg, OR. The RVAHCS consists of a medical center located in Roseburg, OR, two Outpatient Clinics located in Brookings and North Bend, OR, and the Eugene VA Health Care Center in Eugene, OR. As the Chief Operating Officer for the VA Sunshine Health Care Network (VISN 8), starting May 2014, Whitmer held a senior leadership position responsible for innovatively applying planning and health administration skills to provide Veterans with high quality care consistent with community standards and industry best practices. Whitmer holds a Master of Political Science degree with an emphasis in public administration and a Bachelor of Education degree both from the University of South Florida. A former high school teacher and football coach in Leesburg, Florida, he started his NIH career as a presidential management intern in 1993, spending his first year as an administrative officer for the National Cancer Institute (NCI). Whitmer held progressively more challenging management positions at NIH, including serving for nearly eight years as the SES Executive Officer for the National Eye Institute (NEI), where he helped support the nation’s vision research program. Whitmer is committed to community involvement and has been very involved in outside volunteer positions. He is an active member of the American College of Health Care Executives (ACHE). When not at work, Whitmer enjoys spending time with his family, playing golf, SCUBA, boating, and gardening.


Dr. John O'Brien, Chief of Staff

Dr. John O'Brien | 478-272-1210 Ext. 2903

Chief of Staff

Dr. John O'Brien began his role as Chief of Staff at Carl Vinson VAMC in Sept. 2019. He is from Missouri and a graduate of the University of Missouri Columbia) School of Medicine. After completing his Internal Medicine residency and Gastroenterology Fellowship, he accepted an Inflammatory Bowel Disease Fellowship at Johns Hopkins Hospital followed by an appointment as a Medical Staff Fellow / Clinical Research Associate in the National Institute of Diabetes and Digestive and Kidney Diseases branch at the National Institutes of Health. Dr. O'Brien accepted a full-time, tenure-track, position at Washington University School of Medicine / Barnes-Jewish Hospital. He was then recruited to Indiana University School of Medicine where he accepted his first administrative role as the Gastroenterology (GI) Fellowship Director. Then, Dr. O'Brien accepted a Chief of Gastroenterology & Hepatology at the Southern Illinois University (SIU) School of Medicine. He was selected as the next Director of the Endoscopy Lab and Division Chief of GI / Hepatology and Nutrition at Creighton University School of Medicine and became a Professor of Surgery with the department. Dr. O'Brien was recruited to Michigan as the Chair of the Department of Medicine at the Ascension Providence Hospitals overseeing more than 600 physicians. He also accepted an appointment as a Clinical Professor of Medicine at Wayne State University. Dr. O'Brien is a member of the Alpha Omega Alpha Medical Honor Society, Fellow in the American College of Physicians, Fellow in the American College of Gastroenterology and was selected as the Crohn’s and Colitis Foundation of American (CCFA) Physician of the Year several years ago. He is board certified in both Internal Medicine and Gastroenterology. Dr. O'Brien brings a wealth of experience in medical education, research, clinical medicine, and administration to the Carl Vinson VAMC.


Brandon S. Bentley, Associate Director

Brandon S. Bentley | 478-272-1210

Associate Director

Mr. Bentley is a retired U.S Naval Officer with 26 years of honorable service. He held several senior financial leaderships, management and, administrative positions, during his tenure in the Navy. Mr. Bentley has over eighteen years of VA experience in progressive roles in various VA medical centers and VA central office. He was recently detailed to serve as the Acting Deputy Medical Center Director for the Milwaukee VAMC. He was also detailed to the Ann Arbor VA Healthcare Systems as the Acting Chief Financial Officer. As the CFO in West Palm Beach, he had oversight of the annual operating budget, academic affiliation funding and special purpose dollars. He also assumed full responsibility and authority for the formulation, review and execution of financial plans for the operation of the medical center. He holds a Bachelor of Science Degree from Saint Leo University and Masters of Arts Degree from Troy State University. He is married to the former Ms. Sylvia Z. Penny Feather and they are the proud parents of three young adults.


Pamela Jackson, DNP, RN, Associate Director for Patient Care Services

Pamela Jackson, DNP, RN | 478-277-2730

Associate Director for Patient Care Services

Dr. Pamela L. Jackson is the Associate Director of Patient Care Services at Carl Vinson Veterans Affairs Medical Center, Dublin, GA. The daughter of a Veteran and an Army Reserve Veteran herself, Dr. Jackson has over 30 years of nursing background with experience in nursing leadership/management (off-tour nursing supervisor), professional education, emergency medicine, psychiatric, ambulatory surgery, and home health care. She began her nursing career as a licensed practical nurse in 1987 and continued her educational pursuit until she obtained a terminal degree in 2014. She holds a Doctorate in Nursing Practice-(DNP) in Administration with an Educator Concentration from Samford University, Birmingham, AL. Dr. Jackson has also obtained ANCC’s distinguished certification as an Advanced Nurse Executive. Her professional involvement at the national level includes her recent appointment to the Substance Abuse and Mental Health Services Administration’s (SAMHSA) Minority Fellowship Program (MFP) at the American Nurses Association. She is a member of Sigma Theta Tau Nursing Honor Society and Alpha Kappa Alpha Sorority, Inc.