Ly is a tech entrepreneur and investor. He co-founded AtHoc, an emergency mass communications system for the US Departments of Defense and Homeland Security, which was backed by Greylock and Intel Capital and acquired by BlackBerry. His board and advisory responsibilities include serving Jane Technologies, a leader in e-commerce cannabis; Genetica.asia, a leader in Vietnam-based DNA testing for Asian populations; Cirkul, a next-generation personal hydration system; and All American Lithium, which recovers lithium from geothermal brine in the Salton Sea. Ly’s interests include annual team cycling for the National Multiple Sclerosis Society Waves-to-Wine ride (San Francisco to Sonoma County). Ly has served as a term member on the Council on Foreign Relations and was nominated and selected as a civilian participant in the US Army War College National Security Seminar, Carlisle Barracks. He received his bachelor’s degree from Princeton and an MBA degree from Harvard. Ly was a member of CA’s International Potluck committee in 2018–19. He lives in Newton with his wife, Lexie Olmsted; two children, Will ’22 and Katie ’23; and two cats.