Interval International promoted Bryan Ten Broek to vice president, western region, resort sales and service. He works in the firm's Las Vegas office…Starwood Vacation Ownership plans to develop its first timeshare resort in Los Cabos, Mexico. Construction on the Westin Los Cabos Ocean Villas begins later this year….The Lodge at Rancho Mirage (CA) will become The Ritz-Carlton, Rancho Mirage, following a $500-million transformation. The property will include 244 hotel rooms and 154 residences….Marriott Vacation Club International promoted Victoria Dolan to executive vice president of finance. She retains her role as CFO….Timeshare consulting and research firm Ragatz Associates promoted Tracy Ragatz to director of consulting….New general manager of the Pollard Brook Resort in Lincoln, NH is Joel Bourassa….Appointments at Shell Vacations include Perry Bergelt to regional director for Canada; Hal Bonta to director of human resources for the Hawaii region; and Luanne Bongiorno to general manager of the Waikiki Marina Resort in Hawaii.