William is Managing General Partner of Orbit Startups and a Venture Partner at SOSV. William joined SOSV and Orbit from SingTel Innov8 Ventures where he was Managing Director supporting China investments. While at Innov8, he led investments including Yodo1, GMobi, DemystData, Lekan, and Massive Impact. Previously, William was a Partner at Softbank China & India Holdings, a venture capital firm backed by Softbank and Cisco, leading investments in China and South East Asia. William spent 11 years as an equity research analyst most recently with Deutsche Bank where he was responsible for Internet and Telecom Equipment in Asia and China technology, media, and telecom. Previously he covered Digital Media at Banc of America Securities in San Francisco and PC/Enterprise Hardware at Bear Stearns in New York. William was an active angel investor with 39 investments between 2004 and 2014.

In 2006, he was ranked #3 All-Asia analyst for Technology/Software and IT Services by Institutional Investor Magazine Asia. In 2005, he was ranked #3 stock picker overall for Hong Kong/China and #1 stock picker in technology, media, and telecom by Thomson Reuters Starmine. He currently sits on the boards of advisors/directors for a number of companies including Neonan, Robin8, Yodo1, DYAD, GMobi, Silk Road Telecom, iTalki, and kineticOne as well as organizations including Angelvest, Angelcrunch (天使汇), AAMA Shanghai, Digital Matters, Techyizu, and the US China Strong Foundation. He holds a BA from Bowdoin College.