William is currently a NED and Chairman of the Audit Committee of TVB Ltd, one of the largest media companies in the Greater China Region. He has been a NED and a Chair for more than 20 publicly listed companies in HK/Singapore/US/UK and different NGOs over the last 30 years.
He is also currently the Founder and Chairman of Da Z Group, a Founding Governor of the Charles K Kao Foundation for Alzheimer's Disease as well as The Independent Schools Foundation Academy, one of the most well-known independent schools in Hong Kong. He has also been the Chairman of Junior Achievement Hong Kong since 2013.
William started his business career at McKinsey & Company. Subsequently, he has held various top management posts at HK Telecom, Cable & Wireless, Citibank, WPP, China Unicom, I.T Limited, South China Media Group and Kidsland International Holdings.
He is renowned for founding Netvigator, the largest Internet business in Hong Kong, and iTV (the predecessor of NowTV), the first interactive and on-demand TV service in the world in the 1990s.
William obtained a Masters in Philosophy degree in Molecular Pharmacology and a PhD in Genetic Engineering and Neuroscience from Cambridge University. In 1996, he was selected as a "Global Leader for Tomorrow" by the Davos-based World Economic Forum. In 2000, Asia Week magazine selected him as one of 25 Asia's Digital Elites.
William has held numerous Government appointments during his career. He is currently a member of the Cyberport Advisory Panel and an Advisory Committee member of Chinese Medicine at Hong Kong Baptist University. William is an Advisor of Our Hong Kong Foundation and a Board Governor of the Hong Kong Adventist Hospital Foundation. He was a Board Member of the Broadcasting Authority, the ASTRI, and the Science Park. He was also a founding member of the Stock Exchange of Hong Kong's Growth Enterprise Market (GEM) Listing Committee. In 1999, William was appointed as a Justice of the Peace (JP). From 2003 to 2016, he was a Committee Member of the Shantou People's Political Consultative Conference.
William has served as an Independent Non-executive Director on the Board of several publicly listed companies in HK over the years. His current portfolio includes Television Broadcasts, CSI Properties, JingRui Holdings, Oshidori International Holdings and OCI International Holdings.
He is also an Independent Non-executive Director of NASDAQ-listed Regencell Bioscience Holdings Limited.
Recently, William was invited by the United Nations ESCAP to lead a task force for its Sustainable Business Network Committee to look at financial inclusion leveraging fintech in the region.