Chanyau is a Board Director of Sustainvest Technology Limited, co-founder of Climate Finance Asia (previously known as Carbon Care Asia) and now serve as a Board Director. He founded the CarbonCare Innolab (CCIL) in 2014 and is now the Board Advisor.

Prior to leading CCIL, Chanyau served in the Hong Kong Government. He went on to become an Executive Director of Oxfam Hong Kong and a member of the Board of Directors of Oxfam International. Thereafter, he joined the University of Hong Kong as the Director of Student Development for its Centre for Development and Resources for Students.

Chanyau is the ex-President of the Hong Kong Blind Union and was a member of the Education and Publicity Subcommittee of the Council for Sustainable Development, an advisory committee to the Hong Kong SAR Government on sustainability issues.

For his outstanding service to the Hong Kong civil society, Chanyau was appointed Member of the Most Excellent Order of the British Empire (MBE) in 1995 and received the Ten Outstanding Young Persons Award in 1991. He was also named one of the “Leaders of 2011” by Sing Tao Publishing Co Ltd and an Honorary Fellow by the University of Hong Kong.