David has over 25 years of experience conducting research, teaching, and working as a practitioner on a range of sustainability related programs with governmental entities, private sector businesses, and mission driven non-profit organizations. This work has included helping rural communities in Costa Rica, Honduras, Guyana, and the United States develop and implement strategies for sustainable tourism development to assisting multinational corporations and states to “green” their operations. David is the founder and Director of the Certification for Sustainable Transportation (CST) where he has led the design, development, and operation of the CST and its many components since its inception in 2012.

He has also been teaching at the University of Vermont for over 20 years and is currently a Lecturer in the Rubenstein School of Environment and Natural Resources where he teaches courses on Ecotourism, Environmental Problem Solving, Foundations of Sustainable Development, Managing for Sustainability, and Race & Culture in Natural Resource to name a few. He serves as the Director of the University’s Costa Rica semester abroad program, which brings students to Costa Rica and Panama each year. David also spent five years as the owner/operator of a canoe, bike, and kayak outfitter business and a certified organic farm in Grand Isle Vermont.

David brings a passion for social justice, integration, research, theory, application, and creativity to every facet of his work. When he is not focusing on a project, he can be found mountain biking, seeing live music, or just relaxing at home.