Mr. Charles Cheever is a Co-Founder & serves as Chief Executive Officer at Expo (Palo Alto). He also serves as a Board Member at SigFig. He served as Advisor at Xfund. He serves as Advisor & Investor at ElationHealth. He also served as an Executive at Graph Ventures. He also serves as an Advisor & Investor at Handshake (US). Mr. Cheever serves as an Advisor at Knew Deal. He was a Co-Founder and served as the Chief Technology Officer at Quora. Before founding Quora Charlie worked as an engineer and manager at Facebook, where he oversaw the creation of Facebook Connect and the Facebook Platform. Prior to joining Facebook, Charlie served as a Software Development Engineer at Amazon. Charlie graduated from Harvard College with an A.B. in Computer Science.