Bill is a Managing Director of Blackbird Ventures and a co-founding partner of Southern Cross Venture Partners. He has co-founded several successful companies. At Southern Cross he focuses on early-stage software, security, and Internet companies. From 1997 to 2001, he helped build and lead the early stage investing for Macquarie Technology Ventures (MTV), a balanced venture fund focused on software, telecommunications, Internet and life sciences. At MTV, Bill led investments in several market leaders including Altium (ASX: ALU), LookSmart (NASDAQ: LOOK), Seek (ASX: SEK), Telera (acquired by Alcatel), and onebox (NASDAQ: OPWV). At Southern Cross Bill has led investments and is a Board Member or Observer in Mocana, Bislr, wooBoard, Inporia, Mantara, Liaise, and Shoes of Prey.

Before co-founding Southern Cross, Bill was the CEO of Mantara, a company that makes high performance, content-based message routing systems. Prior to moving to Australia, Bill had 12 years of research, operational, and entrepreneurial experience in the United States. Bill earned a Bachelor of Science, MBA and Juris Doctorate degree (University of Richmond).