Worked as publicist at United Artists; authored several books on Hollywood (fiction and non-fiction)

Feature film co-writing debut (with Richard Pryor and director Mel Brooks), "Blazing Saddles" (also story)

Feature solo writing debut, "The In-Laws"

Feature directing debut (also writer), "So Fine"

First film produced for own production company, Bergman/Lobell Productions (with Michael Lobell), "The Journey of Natty Gann"

Credited as Warren Bogle for producing and co-writing (with director John Cassavetes), "Big Trouble"

TV debut, wrote and co-executive produced (with Lobell) TV sitcom pilot, "Mickey and Nora"

First film credited as producer (co-executive with Lobell), "White Fang"

Directed the Jacqueline Susann biopic "Isn't She Great"