Steve Houser has been appointed vice president, sales and marketing for Swissotel. Houser, who will be based at the Swissotel Chicago, most recently served as senior director of group sales and senior director of sales, North America, for Radisson Hotels International.

David Van Kalsbeek has been named senior vice president of sales and marketing for Starwood Hotels & Resorts. Van Kalsbeek, who will be based in the company's new headquarters in White Plains, N.Y., is a 16-year ITT Sheraton veteran and most recently served as Sheraton's senior vice president and director of marketing.

Anne McCarthy has been named director of sales and marketing for The Ritz-Carlton, Atlanta. She joins from the Atlanta Marriott Marquis, where she was director of marketing.

The Fort Lauderdale (Fla.) Marina Marriott has named Christopher Bielski director of marketing. He joins from the Dearborn Inn Marriott in Dearborn, Mich., where he was director of marketing.

Terri Benich has been promoted to director of marketing for the Hyatt Regency Scottsdale in Arizona. She had been director of sales.

Juan Carlos del Rio The Melia Playa Conchal Beach and Golf Resort in Guanacaste, Costa Rica, has appointed Juan Carlos del Rio director of marketing at its new sales office in San Jose, Costa Rica. Most recently, del Rio served as marketing director of the Camino Real Hotel in Mexico City.

Jay Marsella has joined the Fort Lauderdale (Fla.) Marina Marriott as director of group sales. He joins from the Nashville (Tenn.) Airport Marriott.

Gary Griggs has joined the Memphis Marriott as director of hotel sales. Most recently, he was director of sales at the Lodge of Four Seasons Golf Resort and Spa in Lake Ozark, Mo. Donna Pope has been named director of group sales. She joins from the Peabody Hotel in Memphis, where she was regional sales manager. Mark F. Weiner is the new senior sales manager. He had been convention sales manager at the Hyatt Regency Crown Center in Kansas City, Mo.

Brian Sullivan has been appointed North American representative for Singapore Expo. Sullivan is president of Great American Exhibitions, based in Norwalk, Conn. He was hired by PGA Corporation Ltd., which manages Singapore Expo.

Craig S. Smith has joined the Registry Resort in Naples, Fla. as director of sales. Smith, who will oversee corporate accounts, previously served as associate director of sales at the Greenbrier Hotel in White Sulphur Springs, W. Va.

Loews Hotels in New York City has named Michele Miller director of sales, Mid-Atlantic region. Miller, who will be based in Washington, D.C., joins from Charles Place, Orient-Express Hotels, in Charleston, S.C., where she served as national sales manager.

Keith Hymel has been named managing director of a Hilton Worldwide sales office and Hilton Direct headquarters office, both in Dallas. He previously served with Hilton in Chicago as managing director of sales--Midwest region.

Michael O'Keefe has been appointed national sales manager at Bally's Las Vegas. O'Keefe, who will handle northeast corporate accounts, most recently served as senior national sales manager for Caesars Palace, also in Las Vegas.

David Tyler has been named senior sales manager at the Marco Island Marriott Resort & Golf Club in Florida. Tyler, who will handle the northeast corporate market, had served as senior sales manager with the Dallas Marriott Quorum by the Galleria.

Linda Glick has been named sales manager for Abbey Group Resorts in Lake Geneva, Wis. Glick, who will handle the corporate market, had been front office manager for Holiday Inn Milwaukee.