The WESTIN DIPLOMAT RESORT AND SPA in Hollywood, Fla., has named CHRISTIAN RASSINOUX, most recently with the MGM Grand in Las Vegas, as executive chef. Call 888/627-9057 …SARAH SAPP has been promoted to director of guest services at STERLING EVENTS of Winston-Salem, N.C. Call 336/391-7888 … LEAH STROUP has joined THE SKY HOTEL in Aspen, Colo., as catering sales manager. Call 970/925-6760 … The TOWN AND COUNTRY EVENT RENTALS of Van Nuys, Calif., as event directors. Call 818/908-4211 … Do you have business news to share with us? Please send it here—thank you!