Don Valentine is a venture capitalist at [Sequoia Capital](/financial-organization/sequoia-capital) focusing on semiconductor, systems and software investments. Don founded Sequoia Capital in 1972 and was one of the original investors in Apple Computer (AAPL), Atari, Cisco Systems (CSCO), LSI Logic (LSI), Oracle (ORCL) and Electronic Arts (ERTS). Prior to starting Sequoia Capital, Don was a Founder of National Semiconductor and a senior sales and marketing executive with Fairchild Semiconductor.