Atty. Marvic Mario Victor Leonen is an Associate Justice of the Supreme Court of the Philippines. He was appointed to the position in 2012, shortly after a distinguished service as the government’s chief peace negotiator with the Moro Islamic Liberation Front (MILF). He has published over two dozens of academic papers and books on Indigenous Peoples Rights, community development, and ecological sustainability. He is the founding executive director of Legal Rights and Natural Resources Center, Inc., Kasama sa Kalikasan (LRC-KSK/Friends of the Earth-Philippines, 1987-2002), the founding president of Health Justice Inc., and a member of a long list of government and non-government groups, such as the Environmental Lawyers Alliance Worldwide, SAMDAHNA Institute, and Philippine Judicial Academy.
He obtained his Bachelor of Arts in Economics (Magna cum Laude, 1983) and Bachelor of Laws (1987, Dean’s List) from the University of the Philippines, and his Master of Laws from Columbia Unvirsity in New York (2004). He taught at the UP College of Law from 1989-2011 and served the University in various capacities, such as University General Counsel of the UP System, Vice-President for Legal Affairs of the UP System, Director of Legal Aid of the UP College of Law, Director of the Information and Publication Division of the UP Law Center, and Dean of the UP College of Law Among his academic awards are the following: Research Fellow, UP Institute of Human Rights, UP Centennial Fellow; Metrobank-Philippine Judicial Academy Professorial Chair, Enrique Chan Centennial Professorial Chair, and Carlos P. Romulo Centennial Professorial Chair.