Joseph Dunne was ordained a Catholic priest in 1942 at Saint Joseph’s Seminary in Dunwoodie, Yonkers, New York. He served as a parish priest at Saint Peter’s in Poughkeepsie until 1944, when he entered military service, and was commissioned as a U.S. Army chaplain. He saw service in the European Theater of Operations during World War II. Continuing in service, he joined the Pusan Logistical Command in Korea on June 12, 1950, two weeks before the war in Korea began. From 1950 to January 1951 he was Regimental Chaplain of the 21st Infantry Regiment, 24th Infantry Division, during fighting to the Yalu River. He transferred to the 187th Airborne where he accompanied the team’s assault behind enemy lines, in the only major combat parachute jump of the war. He was seriously wounded when his jeep hit a mine, and was evacuated with both arms and legs broken. He returned to the New York Archdiocese and worked at Our Lady of Victory in Manhattan, Saint Sylvester’s in Staten Island, and Saint John’s in White Plains. In 1958 he was appointed Chaplain of the New York City Police Department, where he worked for 23 years. From 1981 to 1986 he worked at John Jay College of Criminal Justice as Executive Director of The Institute on Alcohol and Substance Abuse.