Daniel C. Richman is Paul J. Kellner Professor of Law at Columbia Law School. Subjects taught by Richman include Criminal Procedure: Adjudication, Evidence, and Federal Criminal Law. He lives in Brooklyn.

Richman is known for leaking memos of James Comey's conversations with President Donald Trump to the press.

Richman's father, who retired as a regional lawyer with the National Labor Relations Board, is a labor arbitrator.

His mother, Sylvia Richman, is a high-school teacher in Manhattan.

Daniel C. Richman graduated from Harvard University, Summa cum laude, and Yale Law School. He was a law clerk to Associate Justice Thurgood Marshall of the United States Supreme Court in 1985 and 1986.

Richman is a former federal prosecutor who worked with Comey at Columbia in 2013.

Richman served as chief appellate attorney in the U.S.

Attorney's Office for the Southern District of New York, and has served as a consultant to the Department of Justice and the Department of the Treasury on federal criminal matters.

Richman was the Brendan Moore Professor in Advocacy at Fordham Law School before joining Columbia Law School’s faculty. In 2004, Richman was appointed by New York City Mayor Michael Bloomberg as chairman of the Local Conditional Release Commission. He is currently an adviser to FBI Director James B. Comey. Richman's scholarly writings include more than 30 law review articles. He has offered testimony as an expert in a number of congressional hearings, and state, federal, and international criminal and civil matters.

His assistant is Anna Krauthamer.

Richman’s wife, Alexandra Bowie, is a former president of the influential neighborhood civic group the Brooklyn Heights Association. The couple married in 1988.

Richman professes the Jewish faith.