Hilton has named Senih Geray general manager of the new 263-room Waldorf Astoria Washington DC. Elegantly restored to its historic grandeur, Washington s iconic Old Post Office has been reimagined as Waldorf Astoria Washington DC, and under Geray s leadership, brings unforgettable experiences to guests visiting the Pennsylvania Avenue hotel. Previously, Geray served as general manager of The St. Regis New York and Residences.