Walt Disney Co. on Tuesday named theme parks head Josh D¡¯Amaro as CEO, ending years of succession uncertainty and placing a longtime insider at the helm as artificial intelligence and a wave of consolidation upend the media industry.

D¡¯Amaro, 54, will take the reins from Bob Iger, 74, at the company¡¯s annual investor meeting on March 18. Iger, credited with shaping the modern Disney through deals for Pixar, Marvel and 21st Century Fox, will stay on as a senior adviser and board member until his retirement from the company on Dec. 31.

Disney also named entertainment co-chief ?Dana Walden, a creative executive in the mold of Iger with a string of commercial and critical hits and strong talent ties, as chief content officer and president.