Dr. William Yu is the Chief Executive Officer of World Green Organisation. He is an energy economist and climate professional by training and completed his PhD at the University of Cambridge. He earned an Executive MBA from the Thunderbird Global Management School, AZU, U.S.. and completed a Sustainable Finance Programme at Cambridge. Additionally, Dr. Yu is the scholarship recipient of the Executive Education in non-profit strategic management at the Harvard Business School. 

Dr. Yu is ESBN Task Force Member, The Economic and Social Commission for Asia and the Pacific. He is also a member in Advisory Council on the Environment (ACE), Environment and Ecology Bureau and member in Council for Carbon Neutrality and Sustainable Development, HKSAR Government.

Dr. Yu is accredited by UNDP as an official trainer on United Nations SDG Impact Standards. He is also Advisor on Certified ESG Planner (CEP) qualification, and Certified China Carbon Trader of Shanghai Environment Energy Exchange, advising investment banks and several public accounting firms on Forestry Carbon Credit Projects, Valuation of Carbon Assets and Carbon Trading