Bill is the Founder and a Managing Director of Clearstone Venture Partners, an institutionally backed venture capital firm founded in 1998 with over $650 million in capital commitments over three funds. He was recognized as one of the top 50 to 100 Venture Capitalists in the United States by Forbes Magazine in its annual Midas List on three separate occasions.
Bill's past board memberships and observer roles include United Online, Overture (acquired by Yahoo!), PayPal (acquired by eBay), the Chronicle Publishing Company (The San Francisco Chronicle and KRON television) and WeddingChannel.com (acquired by the Knot).
After five years as a strategic planning consultant at Boston Consulting Group's offices in Menlo Park, Bill was full-time as President of Nathan Todd & Company, an investment advisory firm which specialized in providing wealth management services and in representing private family fortunes. As part of this work, Bill co-founded five independently managed investment partnerships with over $600 million under management in the areas of securities trading, real estate and merchant banking. He was also active in venture capital, including investments in traditional funds, co-investments with those funds and direct venture investments.
Bill received a J.D., magna cum laude, from Harvard Law School, and is a graduate from the Massachusetts Institute of Technology, where he earned a M.S. in Management from Sloan School of Management and a B.S. in Mathematics.