He is an investor, director and advisor to a variety of businesses, most in the software and Internet domain, including Jingle Networks, Odeo, Eventful, Krugle, Ambient Devices, del.icio.us, IronPort, RockYou!, myYearbook, Knewton, VideoEgg, Wikia and Discourse.
Internet & Consumer - Adify, Ask Jeeves, Avenue A, Blekko, Blue Coat Systems (BSCI), Box.net, Commerce5, Dotomi, Factery, Hooked Media Group, LimeLife, Media6Degrees, Military Advantage, myYearbook, ON24, Piczo, Revolution Money Inc., Savings.com, SupplyFrame, Total Beauty, Winster, Zannel, Woodman Labs