Chung was previously the creative director of 141 Worldwide Singapore. In his new role, he will lead creative teams in the 14 Arc offices across the Pacific region. He will be based in Singapore.
Linda Locke, the regional executive creative director of Leo Burnett Asia-Pacific, said: "Mark is an awesome creative talent who sees no lines. He believes in solving problems with big ideas and executing them in whatever medium makes the most sense to get the desired results. We are thrilled he's joining Arc."