Jon R. Krohmer, M.D., FACEP, FAEMS has recently retired as the Director of the NHTSA Office of EMS in the Department of Transportation and as the EMS Medical Director for the Caroline County (MD) Department of Emergency Services. He also served as the NHTSA Acting Associate Administrator for Research and Program Development from October 2018 to January 2020. Previously, he was the principal deputy assistant secretary for DHS Office of Health Affairs and DHS deputy chief medical officer. He began serving in that position as a member of the Senior Executive Service (SES) with DHS in September 2006 and served as the acting assistant secretary for health affairs and chief medical officer from August 2008 to August 2009. Dr. Krohmer was an attending physician and director of emergency medical services (EMS), emergency medicine residency and Department of Emergency Medicine at the Spectrum Health Butterworth Campus in Grand Rapids, MI, associate professor of emergency medicine at the College of Human Medicine at Michigan State University and EMS medical director of Kent County Emergency Medical Services and was the medical director for the West Michigan Metropolitan Medical Response System and the Region 6 Consortium. Dr. Krohmer received his undergraduate degree at Ferris State College, School of Pharmacy in Big Rapids, Mich., and is a graduate of the University of Michigan Medical School in Ann Arbor, Mich. He completed his emergency medicine residency and EMS Fellowship at Wright State University in Dayton, Ohio. He is board certified in emergency medicine and emergency medical services.