David is a General Partner at Flybridge Capital Partners whose investment interests and experience include the semiconductor, enterprise systems, and security sectors. David currently represents the firm on the boards of Blackwave, CHil Semiconductor, MOBIVOX, Sand9, and VidSys. David's blog, the diary of a Geek VC, can be found at www.geekvc.com.

Prior to joining the firm in June 2005, David spent nearly a decade focusing on early-stage investing at Greylock Partners where he led several of the firm's successful investments in the communications and systems markets. During his time at Greylock, he built a strong investment track record including investments in Akara (acquired by CIENA), Cimaron (acquired by AMCC), e-Dial (acquired by Alcatel), Ikanos (IPO), Sandburst (acquired by Broadcom), SiTera (acquired by Vitesse), Xedia (acquired by Lucent) and Xros (acquired by Nortel).

Prior to Greylock, David held management roles at Chipcom, an enterprise network equipment vendor where he led development efforts in Ethernet bridges, switches and routers. While working full-time on his MBA, David co-founded the Attitude Network (acquired by TheGlobe.com), an Internet content startup with the top two game sites of the day, HappyPuppy.com and GamesDomain.com. Earlier in his career he held technical positions at Bell Labs where he developed secure network systems.