Beginning his journey with the group in 2001, Karatas moved to the Oman hotel from The St. Regis Istanbul, where he served as the general manager since 2019. Throughout his tenure with Marriott, he has been in leadership positions at The Ritz-Carlton Moscow, The Istanbul EDITION, The Ritz-Carlton Herzliya, The Ritz-Carlton Astana, and JW Marriott Hotel Ankara.