David T. Dyjack, Dr. PH, CIH is Chief Executive Officer of the 6,500-member National Environmental Health Association (NEHA), a position he has held since May 2015. NEHA manages nationally and globally recognized environmental health (REHS/RS) and food safety credentials (CP-FS) for over 6,000 professionals. NEHA publishes the Journal of Environmental Health which reaches 20,000 professionals worldwide, sharing current trends, new research, and other relevant retail food safety information. Under his leadership the association has increased its membership by 55% and grown staff to 46 full-time employees in Denver and Washington D.C. Dr. Dyjack is Principal Investigator on three environmental health workforce capacity building grants, two from the U.S. Centers for Disease Control and Prevention and one from the U.S. Food and Drug Administration. These awards provide NEHA resources to increase capacity of the environmental health profession in state, territorial, local, and tribal environmental health programs. Dr. Dyjack has published over 30 scientific journal articles on workforce development and has delivered keynote addresses in dozens of countries. He earned a doctorate in public health from the University of Michigan, an MSPH from the University of Utah, and is a board-certified industrial hygienist (CIH).