Harold is co-founder of SSID, a waste management company that applies technology and knowledge to build a circular business particularly for papers. SSID has pioneered HK waste industry with the use of IoT since 2009. SSID has also set up HK first recycling pulp mill for used beverage cartons originally disposed to the landfills.

Before co-founding SSID, Harold has over 20 years sales, marketing and general management experience in FMCG and office supplies industry. He had held senior positions with Lyreco, Dairy Farm and Advance Agro.

Harold has earned a BBA and an EMBA degree from The Chinese University of Hong Kong.