It is due to open in 2012.
A 25-year veteran of the gambling industry, Hornbuckle previously served as president and the COO of MGM Mirage Europe, after spending three years as president and COO of MGM Grand Las Vegas.
He previously worked as president and COO for Caesars Palace in Las Vegas, as well as several other casinos.
MGM Grand Atlantic City will be the largest hotel and the largest casino in Atlantic City with 3,000 rooms. A groundbreaking is expected later this year.
