In this role, Kelley will oversee daily operations at the property while providing strategic direction and leadership. The Hard Rock Rocksino Northfield Park will be rebranded when MGM Resorts acquires the property, which is expected to occur in the first half of 2019. 11, 2019 /PRNewswire/ - MGM Resorts International (NYSE: MGM) ('MGM Resorts' or the 'Company') announced today that it has appointed Chris Kelley as the new President & COO of the Ohio resort, currently known as the Hard Rock Rocksino Northfield Park.