Judge Chatigny was appointed United States District Judge for the District of Connecticut on September 29, 1994 and served as Chief Judge from 2003 to 2009. He is a graduate of Brown University and the Georgetown University Law Center.

Judge Chatigny served as a Law Clerk to Judge Jon O. Newman (Second Circuit 1980-81), Judge Jose A. Cabranes (District of Connecticut 1980) and Judge Samuel Conti (Northern District California 1979-80).

Judge Chatigny practiced law in Hartford from 1984 until his appointment to the bench. Prior to that time, he was an associate with Williams & Connolly in Washington, D.C.

While in private practice, Judge Chatigny was appointed by the Governor of Connecticut to the State Judicial Selection Commission and the State Commission on Prison and Jail Overcrowding. He was twice elected to the House of Delegates of the Connecticut Bar Association and served on the Association's Federal Practice Section Executive Committee. He also served as an advisor to the Federal Courts Study Committee created by Congress to develop a long-range plan for the Federal Judiciary.

Judge Chatigny is a Bencher Emeritus of the Oliver Ellsworth Inn of Court and a Life Fellow of the Connecticut Bar Foundation.