Chris Dinan will become executive producer of the program immediately, after serving as senior broadcast producer for the past decade. The announcement was made Monday morning by ABC News president Almin Karamehmedovic, who had been EP of the program until his promotion in August.

ABC News has named Chris Dinan executive producer of "World News Tonight with David Muir," taking over for Almin Karamehmedovic, who was recently promoted to president, the company announced Monday. Dinan will report to Karamehmedovic and lead his former team,