John Denniston is a Partner with Kleiner Perkins Caufield & Byers. At KPCB, John has worked with a wide variety of portfolio companies, with a primary emphasis on the Greentech industry. John was a member of the KPCB Partner team that many years ago conceptualized and launched KPCB’s Greentech investment initiative. Since then, KPCB has been an active investor in the Greentech field, having invested in a large number of start-up companies across a wide variety of sectors. John is an active participant in KPCBâ€™s Greentech Innovation Network, a network of business, academic and policy leaders who meet regularly to identify, and then pursue, the most important green technology and public policy innovations.
He is actively involved in Greentech public policy issues, having testified before several Congressional committees. John serves on the Board of Advisors of the National Renewable Energy Labs. He is a frequent speaker at Greentech industry conferences.
Prior to joining KPCB, John was a Managing Director and Head of Technology Investment Banking, Western U.S. at Salomon Smith Barney. He also served on the Investment Committees for both Salomon’s venture capital direct investment fund and CitiGroup’s venture capital fund-of-funds. Before that, he was a Partner at the law firm Brobeck, Phleger & Harrison, where he was the Head of the firm’s Venture Capital Practice Group, co-head of its Information Technology Practice Group, and served on the Investment Committee for its venture capital fund.