Ed Felten is co-founder and Chairman of Offchain Labs. He is also the Robert E. Kahn Professor of Computer Science and Public Affairs at Princeton University, and the founding Director of Princeton's Center for Information Technology Policy, and he serves as a member of the United States Privacy and Civil Liberties Oversight Board. In 2015-2017 he worked in the White House as Deputy United States Chief Technology Officer. He has published more than 150 papers in the research literature and three books. He is a member of the National Academy of Engineering and the American Academy of Arts and Sciences, and is a Fellow of the ACM. In 2004, Scientific American magazine named him to its list of fifty worldwide science and technology leaders.