Dr. Oyun Sanjaasuren is the Director of External Affairs of Green Climate Fund, where she leads the fund’s work on resource mobilization, partnerships, communications and advocacy.  

Dr. Oyun served as the first President of the United Nations Environment Assembly, the Governing Body of UN Environment (2014-2016), and has been an active advocate for sustainable development, climate change and water security. During 2016-2018, she served as Chair of the Global Water Partnership, a multistakeholder platform of more than 3,000 organizations advancing water security. Since 1998, Oyun served 5 consecutive terms as a Member of Parliament in Mongolia including as Minister of Environment and Green Development and Minister of Foreign Affairs. She is a founder of the Zorig Foundation, a leading Mongolian NGO that advances democracy, social and human right and supports youth leadership and education. She also chairs the Special Olympics Mongolia and has been actively advocating for the rights of children with disabilities.  

Oyun graduated from Karlova University in Prague and has a Ph.D in Earth Sciences from University of Cambridge, UK.