Thirayuth Chirathivat (back row, 5th from left), Chief Executive Officer of Centara Hotels & Resorts together with Robert Maurer Loeffler (back row, 6th from left), Vice President Operations and General Manager of Centara Grand at CentralWorld presided over Centara Grand at CentralWorld annual staff party attendants are department heads and hotel employees at Bangkok Convention Centre Centara Grand at CentralWorld.