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 Apple Computer, Athenahealth, Centocor, Check Point Software, DoubleClick, Endeca, Gilead Sciences, Idec Pharma, Imperva, Illumina, Intel, Nest, SlideShare and Tudou.