Eldorado Resorts, Inc. announced that Steve Callender has been named Senior Vice President of Operations for the East Region. Mr. Callender most recently served as General Manager of Eldorado's Tropicana Casino and Resort, Atlantic City, where he has held executive positions since 2010. Jason L. Gregorec, who most recently served as the Chief Executive Officer/General Manager of Greektown Casino-Hotel in Detroit, Michigan, will succeed Steve Callender as Vice President and General Manager of Tropicana Casino and Resort, Atlantic City, subject to customary regulatory approvals. Mr. Callender brings over 40 years of proven gaming industry experience to his new position, where he will report to Anthony L. Carano, Eldorado Resorts President & Chief Operating Officer.