John was President and Chief Executive Officer of MGM Grand Resorts, LLC, a collection of resort-casino, residential living and retail developments, and a. ECHO Entertainment Group chief executive John Redmond will leave the casino operator after just a year in the job. . JENNY ROGERS and AAP. CEO John Redmond to leave in May after 15 months in job; Shares plunge 8 pct to record low of A$ (Recasts with quotes, Genting interest). Redmond is a businessperson who has been the head of 7 different companies. Echo Entertainment Chief Executive John Redmond has resigned after a little more than a year on the job in the wake of second-half results. Currently, Mr. Echo Entertainment Group chief executive officer John Redmond announced his retirement from the embattled casino operator as it reported. Echo Entertainment boss John Redmond is leaving after little more than a year in the job, but says the casino operator is on the way to. Redmond is President & Director at Allegiant Air LLC. John T. John Redmond 's bluff refusal to detail the painful personal circumstance that requires his retirement from Echo Entertainment would.