Long joined the Critical Ecosystem Parnership Fund-Regional Implementation Team (CEPF-RIT) project at the beginning of November 2008 as Project Officer for Vietnam and Laos. Long studied Vietnamese Law and International Politics and has a Masters Degree in Sustainable Development from Orléans University in France. Before joining BirdLife, he worked for the Swinburne University of Technology representative office in Hanoi, the PARC Project in Na Hang/Ba Be/Yok Don, Fauna and Flora International in Ha Long/Cat Ba/Con Dao project, the Mekong Institute in Thailand, and the education sector flemish office for Development Cooperation and Technical Assistance in Hanoi.