David joined Johnson Engineering in 2013 as a Certified Senior Ecologist. David is also a Research Associate and Courtesy Graduate Faculty member at the Florida Gulf Coast University. David has three decades of professional experience in limnology, aquatic and wetland ecology, fish, wildlife, macroinvertebrate, and water quality studies. David was trained in the QA/QC protocols for State and Federal agencies (for drinking water, ambient water quality, extractions, bacteriological, bio-assay, radon, and bio-assessments) as Aquatic Biologist at Lee County and as Limnologist at the University of Iowa. David assisted in the implementation of a bacteriological source identification study of the Philippi Creek watershed for Sarasota County. As a member of the Johnson Engineering team, David routinely conducts benthic resource surveys, wetland delineations and functional assessments, mitigation monitoring, listed species surveys (inclusive of caracara and Florida bonneted bat) and permitting of aquatic restoration projects.