Greylock Partners, 2550 Sand Hill Rd, Ste 200, Menlo Park, CA 94025, US

SpecialtiesVenrock is a premier venture capital firm with offices in Palo Alto, New York, Cambridge, MA, and Israel. Originally established as the venture capital arm of the Rockefeller family, Venrock continues the eight-decade tradition of partnering with entrepreneurs to establish successful, enduring companies. Having invested $2.5 billion in 442 companies resulting in 124 IPOs over the past 41 years, Venrock's investment returns place it among the top tier venture capital firms that have achieved consistently superior performance. With a primary focus on technology, healthcare, and energy, portfolio companies have included Adify, Adnexus Therapeutics, Apple Computer, athenahealth, Centocor, Check Point Software, DoubleClick, Gilead Sciences, Idec Pharmaceuticals, Illumina, Intel, Millennium Pharmaceuticals, Sirna Therapeutics, StrataCom, and Vontu. For more information, please visit Venrock's website at www.venrock.com.

Altimeter Capital

Brett W Berry

First Republic Bank