The Renaissance Hotel Group has appointed Michael Williams as president and chief executive officer. Williams, who will be based in Hong Kong, served in senior management with Mandarin Oriental Hotels in North America and Asia for 13 years. Frank Calaguire has been named senior vice president of sales and marketing for Renaissance Hotels and Resorts in the Americas. Calaguire, who will be based in the company's Cleveland head-quarters, joins Renaissance from Hyatt Hotels & Resorts, where he most recently served as vice president, sales operations.

John Johnston has been named executive vice president of operations for Loews Hotels. Johnston, based in New York City, had been in Singapore where he served as regional vice president, Asia, for Four Seasons Regent Hotels.

Pat Schmucki has been appointed executive director of the Dublin (OH) Convention & Visitors Bureau. Schmucki had been director of public relations for Gerbig, Snell/Weisheimer & Associates, Inc., an advertising, marketing, and public relations firm based in Columbus, OH.

The Dallas Convention & Visitors Bureau has promoted Dick Martinez from director of sales to vice president, convention division. Patti Towell will now serve as vice president, convention sales and services, promoted from associate director of sales, convention division.

The Hilton at Walt Disney World in Lake Buena Vista, FL, announced the promotion of Michael Kovensky to director of sales. Kovensky had served as assistant director of sales. Replacing him will be Amy Pfeiffer, promoted from her position as senior sales manager.

Paul Goslin is the new director of marketing at the Boston Marriott Long Wharf. Most recently, Goslin was director of marketing at Marriott's Sam Lord's Resort, Barbados. Also at the Marriott Long Wharf, Elizabeth Burns has been promoted from executive meeting manager to senior sales manager, coordinating corporate accounts. Replacing Burns is Alan Tracy, who joins from the Hartford (CT) Marriott Rocky Hill, where he was executive meeting manager.

Jennifer Salsbury has been appointed director of conferences for the Scottish Exhibition and Conference Center in Glasgow. Salsbury was formerly director of sales and marketing at the Hong Kong Convention & Exhibition Centre.

The Lodge & Spa at Cordillera (CO), has promoted Jennifer A. Morella to director of sales, responsible for high-end corporate and executive groups. Morella had been reservation sales manager.

Michelle Lewis has been appointed director of sales at L'Auberge de Sedona (AZ). Lewis had served as general manager for Sun Destinations Scottsdale.

Sun International, Representation Inc. has named Andy Rosuck as director of sales. Rosuck, who was director of sales for Hyatt Hotels Caribbean, will focus on generating meeting and incentive business for the Atlantis, Paradise Island (Nassau, Bahamas) Resort and Casino.

Troy Jones has been promoted to director of marketing at the Ambassador West Hotel in Chicago, where she had been senior sales manager of corporate accounts.

The Oak Brook Hills Hotel & Resort in Westmont, IL, has named Brian Cooney director of marketing. Cooney was director of sales and marketing at Marriott's Hickory Ridge Conference Center in Lisle, IL. Also at the Oak Brook, Steven Schopf was appointed director of sales. Schopf was director of group sales at the Rosemont Suites in Rosemont, IL.

Tammie Anstedt has been promoted from sales manager to director of sales at Harrah's Reno and the Hampton Inn at Harrah's Reno (NV).

Leslie D'Espinosa has been appointed director of sales and marketing for the Sheraton Fiesta and the Holiday Inn SunSpree Resort, both located in South Padre Island, TX. D'Espinosa joins from the Galvez Hotel in Galveston, TX, where he was director of sales.

The Doubletree Guest Suites Chicago has named Keith M. Douglas director of sales and marketing. He had been director of sales and marketing with the Omni Colonnade Hotel in Coral Gables, FL.

Blacky Komani has been appointed coordinating manager, North America for the South African Tourism Board. Komani, who will be based in New York, was formerly the acting chief executive officer of the Eastern Cape Tourism Board.

Norwegian Cruise Line has appointed Sandy Vezina as account manager, corporate and incentive sales. Based in Miami, Vezina was previously regional director of sales and marketing, East Coast for Jack Tar Village Resorts, Inc. of Miami.