Dr. Hack, a retired US Army Colonel, served as the Director of the U.S. Army Combat Casualty Care Research Program and Chairman of the Joint Program Committee-6/Combat Casualty Care Research Program (JPC-6/CCCRP). As the Senior Medical Advisor to the Principal Assistant for Research & Technology, US Army Medical Research and Materiel Command (USAMRMC), the DOD funded more Traumatic Brain Injury (TBI) research than any organization. He oversaw 650 TBI research projects and the application of over $850 million in federal funds for TBI research. Dr. Hack helped establish the 2013 National Research Action Plan on TBI and PTSD, the Chronic Effects of Neurotrauma Consortium, and the NCAA-DOD Grand Alliance.

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Dr. Hack received numerous military awards including the Bronze Star, two Legion of Merit awards, and seven Meritorious Service Medals and was inducted as a Distinguished Member of the Military Order of Medical Merit. He has a BA from Andrews University, an MPH from Johns Hopkins University, an MD from Loma Linda University, a MSS from the US Army War College, and a CPE from the Certifying Commission in Medical Management. He was recognized as the Distinguished Alumnus of the Year by Loma Linda University in May 2015. He has appointments from the School of Medicine, University of Pittsburgh as Adjunct Professor of Neurosurgery and from the Department of Physical Medicine and Rehabilitation, School of Medicine, Virginia Commonwealth University as Associate Clinical Professor. 

 

After retiring from military service, Dr. Hack has consulted with numerous organizations to advance research in Brain Health and transition the progress to improved clinical practice. He held positions as Chief of Clinical Services at Fort Knox, Commander of the NATO HQ Healthcare Facility, Command Surgeon. Hack continues to advance brain research and contributes to numerous organizations including the NCAA and NFL.