Dr. Spear is a professor emeritus at Montana Tech and currently serves as the coordinator for the M.S. Industrial Hygiene Distance Learning Program.
He joined the Montana Tech faculty in 1983 and taught undergraduate and graduate courses in Occupational Safety and Health and Industrial Hygiene. He was a tenured, full professor and served as the Head of the Safety, Health and Industrial Hygiene Department from 2002 – 2012. He has worked as an industrial hygienist for Honeywell and Sperry Univac in Minnesota and for EG&G Inc. at the Idaho National Engineering Laboratory. Dr. Spear has a B.A. Degree in Microbiology from the University of Montana, and a M.S. and Ph.D. in Industrial Hygiene from the University of Minnesota. He is active in industrial hygiene research pertaining to aerosol exposure and respiratory protection.