High Quality Content by WIKIPEDIA articles! Cyrus Roberts Vance, Jr. (born June 14, 1954) is an American trial lawyer. He is the incumbent New York County District Attorney (Manhattan), and was previously a principal at the law firm of Morvillo, Abramowitz, Grand, Isaon, Anello & Bohrer, P.C. He is the son of Cyrus Vance, former Secretary of State to President Jimmy Carter.