Mr. D'Angelo is the founder and CEO of Quora, the platform that empowers people to share and grow the world's knowledge. Since 2009, Quora has grown to serve more than 200 million monthly unique visitors from around the world.

Mr. D'Angelo previously served as chief technology officer (CTO) at Facebook, where he oversaw new product development and managed the engineering team. In addition, he guided the site’s architecture and infrastructure and started the company's growth team. Prior to serving as CTO, he led the Facebook Platform Team and, as an engineer, built the initial infrastructure for newsfeed and the first generation of the company's advertising targeting and delivery systems.

He holds a bachelor’s degree in computer science from the California Institute of Technology.