David Dyjack, DrPH, CIH
Executive Director & CEO, National Environmental Health Association (U.S.)
DrPH, University of Michigan, Board Certified Industrial Hygienist
David Dyjack’s 30-year career includes expertise in environmental health, emergency preparedness and response, public health informatics, infectious disease, workforce development, governmental infrastructure, maternal and child health, health equity, and chronic disease. A board certified industrial hygienist, Dyjack also has advanced degrees in public health with a doctorate from the University of Michigan and a master’s degree from the University of Utah. Dr. Dyjack has been Executive Director & CEO of the National Environmental Health Association (NEHA) since May 2015. NEHA, based in Denver, Colorado, is the U.S. organisation responsible forr representing thousands of credentialed environmental health professionals, most notably the nation's local, state, and federal sanitarians and food safety professionals.
Prior to leading NEHA, Dr. Dyjack served as the Associate Executive Director for Programs at the National Association of County and City Health Officials. Prior to that assignment, he was the Director of Technical Support and Knowledge Management at the Adventist Development and Relief Agency, an international non-governmental organization with offices in 125 countries. In this capacity he provided administrative and technical supervision of U.S. government funded multi-year assistance programs in the areas of health, nutrition, environment, and operational research. He received a doctorate in public health from the University of Michigan, an MSPH in industrial hygiene from the University of Utah, and is a board certified industrial hygienist (CIH). He has served as Associate Dean for Public Health Practice, Dean of the Loma Linda University School of Public Health, and Vice President for Health Education at Loma Linda University Health Sciences Center, located in southern California.