Charlie Cheever (born August 2, 1981) is the co-founder, along with Adam D'Angelo, of Quora, an online knowledge market. He was formerly an engineer and manager at Facebook, where he oversaw the creation of Facebook Connect and the Facebook Platform. Previous to Facebook Cheever was employed by Amazon.com in Seattle. He left the company to start Quora in June 2009.

Charlie Cheever is from Pittsburgh, Pennsylvania and still has family in the area. Charlie is a graduate of Harvard College with an A.B. in Computer Science.

John Linwood Battelle (born November 4, 1965) is an entrepreneur, author and journalist. Best known for his work creating media properties, Battelle helped launch Wired in the 1990s and launched The Industry Standard during the dot-com boom. In 2005, he founded the online advertising network Federated Media Publishing, which now ranks as one of the top properties on the Web.

His 2005 book, The Search: How Google and Its Rivals Rewrote the Rules of Business and Transformed Our Culture, described the history and impact of search engines and the late emergence of Google from a field of competitors.

Battelle also co-founded and co-hosts the annual Web 2.0 Summit.

Born in Pasadena, California, Battelle studied at Chandler School, Polytechnic School and the University of California, Berkeley, earning both a Bachelor of Arts in anthropology in 1987 and a master's degree in journalism in 1992. He went on to become chairman and CEO of Standard Media International, which launched The Industry Standard and its website, TheStandard.com, and was a co-founding editor of Wired magazine and its entrepreneurial arm, Wired Ventures.

Adam D'Angelo is the chief executive and co-founder of Quora, an online knowledge market based in Palo Alto, California.

He was chief technology officer of Facebook, and also served as its vice president of engineering.

He left Facebook in 2008. In June 2009, he started Quora with Charlie Cheever, another early Facebook employee.

D'Angelo competed in the Association for Computing Machinery collegiate world programming contest while attending the California Institute of Technology. In 2005, he was one of the top 24 finalists in the international Topcoder Collegiate Challenge. He took eighth place in the 2001 USA Computing Olympiad for high school students.

Along with Cheever, D'Angelo has been cited as one of the smartest figures in technology by Fortune Magazine.