Energy economist and climate professional by training and completed his PhD at the University of Cambridge.
 

ESBN Task Force Member of The Economic and Social Commission for Asia and the Pacific (ESCAP) of the United Nations.  
 

Faculty of The Hong Kong Green Building Council.
 

Member of the Air Quality Objectives Review Working Group of HK Environmental Protection Department.
 

Member of the Appeal Board Panel, Town Planning as well as Sustainable Development Council, HK SAR Government.