Dr Yu is the Founder and Chief Executive Officer of World Green Organisation (WGO). He is an energy economist and climate professional by training and completed his PhD at the University of Cambridge in the United Kingdom as well as earned an Executive MBA degree from the Thunderbird School of Global Management in the United States. Also, he has gained valuable regional management experience by working at US multinationals. He has also delivered topics such as Climate Change & Business Risks Management Stakeholder Engagement and Sustainability Leadership to the Senior Management of multinationals and he lectured EMBA at the City University and Chinese University of Hong Kong and has refereed climate and renewable energy articles for several energy journals.

Ms Yeung is the Training Programme Director of World Green Organisation (WGO), a seasoned HR professional, with specific experiences in the talent acquisition, organization development and HR generalist functions. Prior to that, Betty has over 20 years of broad commercial experience and has held senior positions with Cathay Pacific Airways, Organisation Development Limited, Right Management Consultants, Global Top Fashion Group. She is also a certified career coach, certified personal coach with recognised accreditations, including Birkman, Facet5 and LEA360 assessment tools.