James J Murren has been CEO of MGM Resorts Intl (MGM) for 3 years. Mr. Murren has been with the company for 14 years. The 50 year old. Mr. James Joseph Murren, also known as Jim, serves as Manager of MGM Growth Properties OP GP LLC. Mr. Murren has been the Chairman and Chief. MGM Resorts Ltd. paid Chief Executive Officer Jim Murren 25 percent more in after the Las Vegas-based company beat its earnings.