Darrell became Professor and Chair of Biosystems and Agricultural Engineering in July 2015 and Director of the Institute of Water Research in February 2017. From 2012- 2015 he was at Maine Maritime Academy as Vice-President-Operations and Research Director. Darrell began his academic career in 1995 at the University of Maine (UMaine) and was there for 17 years last being professor of chemical engineering and Associate Director of the Forest Bioproducts Research Institute and was affiliated with the Maine Water Research Institute in research. Prior to UMaine he was a process engineer with a private company for nine years between his BS and PhD degrees.
Most recently, Darrell has worked in the realm of food safety, lending his expertise in statistics, modeling and simulation to issues related with chemical and microbial risk assessment. He was an AAAS Fellow in 2007-08 at DHS focusing on security and health affairs and still consults with the government on security issues related to risk assessment. He has served on three NAS and international panels addressing food safety. He currently serves as a consultant to two WHO tendered food safety committees. Darrell received his BS, MS and PhD from NC State University. He is an outdoors person; growing up on a farm in NC gave him a unique perspective and important respect for stewardship of the outdoors.