Vivienne Handy, PWS

President & Principal Ecologist

Vivienne Handy is a certified Professional Wetland Scientist (PWS) possessing over 25 years of experience in natural resource management and environmental permitting. Vivienne’s career experience has consisted of conducting and managing a diverse range of field studies, impact assessments, and … Read More

W. David Gordon

Senior Wildlife Ecologist

W. David Gordon is responsible for wildlife and habitat studies, protected species surveys, and habitat management planning and implementation. David’s over 18 years of experience includes: development of field monitoring and wildlife survey method­ologies; capture, banding and radio telemetry tracking … Read More

Lee Cook, MS, PWS

Senior Ecologist

Lee Cook, MS, PWS, has over 17 years of experience in environmental permitting, wetland delineations, and wildlife studies. Lee worked as a Wetlands Biologist in the Regulatory Program of the U.S. Army Corps of Engineers for over 9 years, reviewing … Read More

Frank Kahoun, MS

Senior Environmental Scientist

Frank Kahoun, MS, has over 15 years of experience as an environmental professional with an emphasis on permit compliance and construction management. Frank is responsible for the management of Quest’s Broward County office, and delivering our services to South Florida … Read More

Mary M. James, MA, PWS

Senior Ecologist

Mary M. James, MA, PWS, contributes more than 17 years of diverse ecological experience to the Quest Team. She holds an MA in Ecology from UNC-Chapel Hill, and a BS in Natural Resources from the University of the South. Since … Read More

Rebecca Barkdoll

Environmental Scientist

Rebecca Barkdoll has a degree in marine biology and brings experience in both terrestrial and aquatic environments. Her field experience includes evaluating and monitoring vegetation and wildlife habitat, surveying and mapping nuisance and exotic plant species, collecting water quality samples, … Read More

Amanda Abel, MS

Environmental Scientist/GIS Analyst

Amanda Abel has a Master’s Degree from the University of Florida’s Interdisciplinary Ecology Program, with a focus in Urban Planning. Her field experience includes providing GIS analyses for the St. Johns River Water Management District’s Agricultural and Irrigation survey, which … Read More

Christopher Keene


Christopher Keene has a degree in Environmental Science with a concentration in Biology from Berry College near Rome, Georgia. Prior to Quest Chris worked as a wildlife manager for Anderson Whitetails at the JHA Ranch in George West, Texas where … Read More

Melanie Higgins

Public Involvement Specialist & Marketing Coordinator

Melanie Higgins brings a diverse background in environmental education, business development, and construction management. Melanie uses these skills to assist with a variety of tasks such as environmental document review and production, coordination of permit compliance activities, bid specifications and … Read More