Dr. KEO Piseth is a researcher and practitioner in the field of development and environmental management. For over fifteen years of his professional careers, Dr. Keo has been driven by his inspiration and passion to contribute towards sustainable and inclusive development in Cambodia and the region. At early stage of his career (2003-2008) at Ministry of Environment, he volunteered and worked for a number of projects under the collaborations between the Cambodian government and development partners for sustainable management of natural resources, local livelihood improvement, and strengthening adaptive capacity and resilience of rural community to climate change. From 2010-2012, his hand-on experiences on the ground and the opportunities to pursue post-graduate study enabled him to hold more senior positions at the same Ministry from project management to policy advising, policy formulation, monitoring, and evaluation. From 2012-2017 (PhD period) to late-2018, he was a freelance consultant and researcher for international Universities and NGOs including Australian National University, Gothenburg University, National University of Singapore, Centre for International Forestry Research (CIFOR), Asia-Pacific Network for Global Change Research, United Nation Development Programme, and Oxfam. He has also been a part-time lecturer at Pannasastra University of Cambodia (PUC) since 2010.

He has authored and co-authored papers and book chapters with a number of International Publishing Houses. He regularly publishes Op-ed on the topics of climate change, sustainable development and environmental management in the Mekong and ASEAN. He has also been a reviewer for international publishing house, i.e. Geoforum. Dr. Keo received the official conferment of his doctoral degree from the Joint-Doctoral Programme between National University of Singapore and Harvard-Yenching Institute (Harvard University) in 2018, and his master degree from the Australian National University in 2010.