Dan is the chairman of the board of Vringo Inc. He is a Venture Partner at Canaan Partner where he invests in emerging leaders in online advertising and digital media in the New York corridor, as well as in communications infrastructure companies that deliver interactive content to connected consumers. He also sits on the board of Lending Club at Canaan, an innovative online lending community where people borrow and lend money, bypass the banks, and get better rates.

Dan is also on the boards of three public companies: Primedia (PRM), one of the world's leading targeted media companies; VistaPrint (VRPT), which supplies more than 10 million global customers with customized printed products online; and leading graphics software company Corel (CREL).

Dan was the former Chairman and CEO of Shopping.com, the pioneer in online comparison shopping, where he oversaw growth from zero to over $100 million in revenues in just five years, culminating in the company's IPO in October 2004 and later acquisition by eBay in 2005. Previously, Dan served as chairman of the Internet Lab, a US-Israeli incubator for early-stage consumer Internet startups, as Senior VP of MasterCard International, where he was responsible for the marketing and product management of all online global debit products, and as a strategy consultant for both Mars and Co. and Corporate Value Associates.

Dan earned an AB from Princeton University's Woodrow Wilson School of Public and International Affairs and an MBA from Yale University. He served in 1980 as Director of Educational Programs for the UN-funded Sakaeo Refugee Camp in Thailand. Since then, Dan has continued to support volunteer organizations in that part of the world.