David joined Greylock in 2000. His areas of focus include: consumer internet, wireless data, broadband, systems management, security, and technology-assisted marketing services.

Before coming to Greylock, David was SVP of Product Strategy at Excite and then Excite@Home. As an early employee at Excite, David also held roles as GM of Excite.com and VP of Content and Programming for the Excite Network. Before Excite, he was in product marketing and development at Electronic Arts and Crystal Dynamics respectively. He started his career in management consulting for Marakon Associates and The Boston Consulting Group, and also spent time at HBO.