is an American television executive and producer. He worked as an executive at the CBS, ABC and NBC networks, and was responsible for bringing to television such programs as the series Scooby-Doo (1969–present), All in the Family (1971–1979), The Waltons (1972–1981), and Charlie's Angels (1976–1981), as well as the miniseries Roots (1977) and Shōgun (1980).