Milag San Jose- Ballesteros serves as the Regional Director for Southeast Asia and Oceania at C40. In this role, she is responsible for engaging and supporting C40 member cities in the region as well as for facilitating collaboration between cities across the global C40 network. Prior to joining C40, Milag served as Regional Environmental Governance Specialist with the Environmental Cooperation-Asia (ECO-Asia) programme of the United States Agency for International Development (USAID), where she led programmatic partnerships between national and sub-national environmental agencies, and provided technical support to pilot initiatives covering topics including urban environmental issues, compliance and enforcement mechanisms, climate co-benefits and public participation. In this capacity, she worked with 16 countries across Asia and coordinated engagements with various organizations and partners including the US Environmental Protection Agency, the World Bank, Asian Development Bank and the UN Environment Programme. Prior to this, she previously served as a Senior Program Officer with the US-Asia Environmental Partnership promoting clean technology, and as Executive Director of the Philippine member of Friends of the Earth International, managing 4 offices across the country. Milag completed her undergraduate degree from the University of the Philippines and obtained her MS from the Ateneo de Manila University under a scholarship program of The Ford Foundation for SEA Professionals. A native of Manila, Phillipines, she has been based in Singapore since 2008.