MGM Resorts International has named Bill Hornbuckle as acting CEO; he had been COO and president. A four-decade veteran of the gaming industry, he was previously CMO at MGM Resorts International from 2009 until 2012 and has also served as president and COO of Mandalay Bay Resort & Casino.

ConferenceDirect has named Danielle Boyles as chief sales officer. She was most recently director of sales and marketing for the Hyatt Regency Seattle. Prior to joining Hyatt, Boyles spent five years with HelmsBriscoe as vice president, overseeing its Western region and destination marketing organizations program. She also spent 12 years with Fairmont Hotels and Resorts.