Ryan served as the President & CEO of Proterra, the leading innovator of zero-emission, battery-electric buses. During his 5-year tenure as CEO, he helped lead Proterra from early commercialization to over $100 million in annual revenue, led the development of the world’s longest-range commercial EV, and raised several hundred million dollars of equity financing to support Proterra's growth.
Prior to Proterra, he was a Partner at Kleiner Perkins Caufield & Byers where he joined in April 2010, and sourced, led or supported investments in companies including Charge Point, Choose Energy, INRIX, Proterra, Telogis (Acquired) and Twitter (IPO).
As an early employee of Tesla in 2007, Ryan was instrumental in the successful capitalization of the company and the commercialization of its first-in-kind Tesla Roadster. He and his team took it from pre-revenue to $100 million in commercial contracts and an IPO filing in two years. He also oversaw the Roadster’s scale-up efforts including financial planning and business development, working closely with engineering, supply chain and manufacturing teams to increase performance and quality, while leading the development of Tesla’s innovative consumer financing and leasing programs.
Ryan was an officer in the U.S. Army from 2000 to 2004. He attended the College of William & Mary with an Army ROTC scholarship, served four years on active duty as a US Army officer, and attended Harvard Business School, graduating as a Baker Scholar in 2006.