Steven M. Bellovin is a researcher on computer networking and security. He has been a professor in the Computer Science department at Columbia University since 2005. Previously, Bellovin was a Fellow at AT&T Labs Research in Florham Park, New Jersey. In September 2012, Bellovin was appointed Chief Technologist for the United States Federal Trade Commission, replacing Edward W. Felten, who returned to Princeton University. He served in this position from September 2012 to August 2013.