Sequoia Capital is a private equity and venture capital firm specializing in incubation, seed stage, start-up stage, early stage, and growth stage investments in private companies. It also invests in public companies. The firm seeks to invest in all sectors with a focus on services including financial services, healthcare, Internet, outsourcing, retail, and wireless; mobile; technology; software including application, infrastructure, data management, and wireless; systems including networking, infrastructure, security, and wireless; components including semiconductors with a focus on analog and mixed signal, networking, multimedia, and programmable and wireless components; and energy including alternative energy, conventional energy, energy efficiency, energy storage, and energy services.

Sequoia's investments include: Apple Computer, Oracle, AMCC, PMC-Sierra, LSI Logic, Linear Technology, Microchip, Cisco Systems, Pixelworks, NVIDIA, Network Appliance, Flextronics, Yahoo, Google, PayPal, VanceInfo, Edelweiss Capital, FirstSource, YouTube, Isilon Networks, Aruba Networks, Rackspace, Pure Digital, Zappos, Admob, Green Dot, LinkedIn and more.