Larry Ellison, in full Lawrence Joseph Ellison, (born August 17, 1944, New York City, New York, U.S.), American businessman and entrepreneur who was cofounder and chief executive officer (1977–2014) of the software company Oracle Corporation.
His mother, Florence Spellman, was a 19-year-old single parent. After he had a bout of pneumonia at the age of nine months
He went to California and spent the next several years as a computer programmer for various companies.
In 1977 Ellison joined with Miner and Oates to form Software Development Laboratories (SDL), which was created to do contract programming for other companies.
In the mid-1990s Ellison saw an opportunity to compete with Microsoft Corporation by developing a cheap alternative to the desktop personal computer (PC) called the Network Computer (NC).