Jim Atchison is an American business executive. He was the president and chief executive officer of SeaWorld Parks & Entertainment, positions he had held since 2009.[1] On December 11, 2014 he resigned. SeaWorld acknowledged in August 2014 that the film Blackfish had hurt revenues at its San Diego, California park. At the time of Atchison's resignation the company's share price had fallen 44% that year.[2]