David Barron held so many positions at so many levels in the movie business, he could have probably made a major studio film all by himself. In the initial years of his career he worked as a location manager, a line producer, and an assistant director on films such as the Cambodian holocaust drama "The Killing Fields" (1984) and the cult fairy tale satire "The Princess Bride" (1987). Following these formative experiences, Barron rose to become a full-fledged producer. His first credit in his new position came on the 1995 small-time show business comedy "A Midwinter's Tale," written by, directed, and starring Kenneth Branagh. The two men would combine for Branagh's next two efforts, a pair of Shakespeare adaptations--"Othello" (1995) and "Hamlet" (1996). Early the following decade, Barron won the job of producer for another, very different series: the film adaptations of the mega-popular "Harry Potter" books. Initially, he started as executive producer on a pair of movies in the series, "Harry Potter and the Chamber of Secrets" (2002), and "Harry Potter and the Goblet of Fire" (2005), but soon stepped up to the producer's office. In this role, he helped make the final movies in the chain, including "Harry Potter and the Half-Blood Prince" (2009).