David F. Clark, IFSI deputy director (ret.), served as a firefighter and fire chief and fought fires with rural, suburban, and metro fire departments. He became a field instructor for the state fire academy (now the Illinois Fire Service Institute) and then a full-time instructor there. As IFSI deputy director, he oversaw 600-plus instructors and staff, curriculum, training, academic, and research activities. He served as an instructor at FDIC and numerous conferences and fire schools, provided technical assistance and review of several fire service books and videos, and is the author of more than 20 articles in fire service journals. He participated in curriculum development and writing training manuals for IFSI, Illinois’ OSFM, IFSTA, and the NFA. His college degrees are in history, fire science, and adult technical & vocational education. He served as a sergeant in the Army’s Third Infantry Regiment (Old Guard), on the Illinois Terrorism Task Force, and on the Central Illinois Critical Incident Stress Debriefing Team. He retired after 45 years in the fire service.