Jeffrey Clifford has joined the Montecito Picture Co. as a senior executive.Clifford joins from Warner Bros. Pictures, where he had been VP production. At Montecito, he’ll manage day-to-day development and production responsibilities. He reports to shingle’s toppers, Ivan Reitman and Tom Pollock. Clifford started working for Nina Jacobson at the Buena Vista Motion Pictures Group in April 1998 as a creative executive and was promoted to veep in 2000. He moved to WB as a veep in 2003.