Riesman served as the President of the Writers Guild of America, West from 1991 to 1993. He also served on the board of directors of the Writings Guild of American from 1979 until 1987 and was the Vice President of the Writers Guild of America, West from 1987 until 1991. Reisman chaired three WGA Negotiating Committees during contract talks.
Del Reisman was born on April 13, 1924, and raised in Los Angeles. He received a bachelor's degree in English and journalism from the University of California, Berkeley. He enlisted with the United States Army Air Forces during World War II and served as a bombardier on board a B-17 in the European theater from 1942 to 1945.
Reisman began his career in television on the 1950s shows, Playhouse 90 and Matinee Theater, which were both live anthology series. He collaborated closely with Rod Serling on The Twilight Zone, which aired from 1959 until 1964, as the series' story editor.
His additional production and screenwriting credits included The Streets of San Francisco, Flamingo Road, The Six Million Dollar Man, Peyton Place, Airwolf and The Lieutenant. Reisman taight courses on screenwriting at the American Film Institute later in his career. He was also a member of the National Film Preservation Board at the Library of Congress.
- "Passings: John Dye, Ellen Stewart, Del Reisman, Irene Jerison". Los Angeles Times. 2011-01-14. Retrieved 2011-01-18.
- Sneider, Jeff (2011-01-10). "Former WGAW President and TV Writer Del Reisman Dies at 86". Writers Guild of America, West (The Wrap). Retrieved 2011-01-18.