Originally established as the venture capital arm of the Rockefeller family in 1969, Venrock continues a tradition of partnering with entrepreneurs to establish successful, enduring companies. With a primary focus on technology and healthcare, portfolio companies have included Adify, Apple Computer, Athenahealth, Centocor, Check Point Software, DoubleClick, Endeca, Gilead Sciences, Idec Pharma, Imperva, Illumina, Intel, Millennium Pharma, SlideShare and Tudou.