Nabeel is a General Partner at Spark Capital, focusing on early-stage investments. Nabeel led Spark's investments in Capella Space, Discord, Harmonix, Instawork, Postmates, Proletariat, Rare Bits, Smash.gg, Sonder, Thalmic Labs, and Zum. He also led Spark's previous investment in Cruise (acquired by General Motors).
Before joining Spark in 2012, Nabeel was co-founder and Chief Executive Officer of Conduit Labs. Conduit was sold to Zynga in 2010, where he became general manager up through its IPO. Prior to that he was variously co-founder, head of product and chief executive officer at a variety of hardware and software companies including MIT Media Lab spin-out Ambient Devices, Teamtalk (sold to BSkyB) and Interphase.