Gaylen brings over three decades of experience in environmental fate and transport, residue chemistry, metabolism, and soil dissipation. Over the last 30 years, he has served as the study director, manager, and principal field investigator on a variety of environmental fate and exposure, crop residue, field dissipation, and efficacy studies, as well as a radiation safety officer for contract research organizations. Throughout his career, Gaylen has participated in numerous terrestrial field dissipation (TFD) studies, including one for a radiolabelled substance. Within the last 5 years, he has served at the Study Director on four different TFDs in both bare ground and turf studies, ranging from 3–5 field sites in the United States.
Years of Experience 33
Years at Stone 1
Ph.D., Entomology, 1986, University of Massachusetts
M.S., Entomology, 1982, University of Idaho
B.S., Biology/Botany, 1976, Boise State University