Duncan is a serial entrepreneur who most notably founded Covad Communications (the leading independent DSL provider, went public and reached a market value of $9B) and Sky Pilot Networks (developer of outdoor wireless mesh systems, acquired by Trillium in 2009 for connectivity to smart meters). He served as the SVP of Business Development at InterTrust and led the IPO in 1999 and the secondary in 2000 (InterTrust reached a $9B market value in 2000). He spent four years as a managing director at VantagePoint Venture Partners where he focused on digital media and telecom investments including Widevine (acquired by Google) and Livescribe.
Prior to Bullpen, he co-founded one of the first mobile social app companies, Xumii, later sold to Myriad Group and now powering over 200M users in the developing world. At Bullpen he focuses on mobile and consumer Internet investments, and sits on the boards of DoubleDutch, SendHub, and Proformative. Key investments include Byliner, PaidPiper and Twenty20. He received a Sc.B. in physics/math from Brown University, with Honors, and a J.D. magna cum laude from Michigan Law School, where he was Order of the Coif and a member of the Law Review.