Dr. Geoffrey Ling is a pharmacologist, physician, and co-founder and CEO of On Demand Pharmaceuticals. Clinically, he is a professor of neurology, neurosurgery and anesthesiology, and critical care medicine at Johns Hopkins University and USUHS, and an attending neuro-critical care physician at Johns Hopkins Hospital. He serves as the Chair of the Veterans Administration’s National Research Advisory Council. Dr. Ling is a retired U.S. Army colonel after 21 years on active duty. He served as an intensive care physician in OEF-Afghanistan (2003) and OIF-Iraq (2005). COL Ling has had four in-theater missions as a member of the Joint Chiefs of Staff “Gray Team” to assess TBI care in both combat theaters (2009, 2011). The 10th CSH named him their first “Physician of the Month.” Dr. Ling was also a “requested by name” consultant to Congresswoman Gabby Gifford’s trauma team following her tragic attack. He was the Founding Director of the Biological Technologies Office at DARPA, where he was previously a program manager and Deputy Director of the Defense Sciences Office. He served as an Assistant Director in the Science Division of President Obama’s White House Office of Science, Technology, and Policy. He earned his BA with honors from Washington University, his MD from Georgetown University (elected to AOA) and his Ph.D. in neuropharmacology is from Cornell University. He is board-certified in both neurology and neurocritical care. He has published more than 200 peer-reviewed articles and book chapters.