Take full responsibilities of failures, and share the successes.
Leone was born July 4, 1957 in Genoa, Italy. His family moved to the United States when Leone was 11, and settled in Mount Vernon, New York.
Leone earned a BS in mechanical engineering from Cornell University in 1979, a MS in industrial engineering from Columbia University in 1986, and a MS in management from the MIT Sloan School of Management in 1988.
Leone joined Sequoia Capital in 1988. He became a managing partner in 1996, and the global managing partner in 2012. In 2017, Forbes named him a top 10 investor in the Technology industry in the United States. He led Sequoia's international expansion into China and India.