Douglas Leone is an American venture capitalist and Managing Partner of Sequoia Capital. In 2017, Forbes named him a top-10 investor in the US technology industry. Prior to entering VC, he had a career in sales and management at Sun Microsystems, Hewlett-Packard, and Prime Computer.

After his stints in sales and management, he inherited the reins from firm founder Don Valentine in the mid-1990s, alongside Michael Moritz. Together, they pushed forward, actively engaging in high-potential investments in various sectors as tech and healthcare. A key investment philosophy that guides Sequoia’s success is their pursuit of entrepreneurs from humble and far-flung backgrounds.

At the firm, he led international expansion into China and India. Mr Leone was responsible for investments including ServiceNow, Aruba, Meraki, Rackspace, Netezza, Arbor/Hyperion, RingCentral and MedExpress.

He sits on the board of PlanGrid, NuBank, Medallia, ZirMed, ActionIQ, Numerify, and Lattice Engines.

In 2017, he was ranked #693 on Forbes list of the World's Billionaires, with a net worth of US$2.9 billion. In 2020, he was named on the Forbes Billionaires list with wealth of US$3.5 billion and ranked #538.

Leone earned a Bachelor of Science in mechanical engineering from Cornell University in 1979, a Master of Science in industrial engineering from Columbia University in 1986, and a master's degree in management from the MIT Sloan School of Management in 1988.