Hotel Interactive -- Carlson Hotels Worldwide today announced the promotion of Ed Holliday to the position of vice president of development for Carlson Hotels Worldwide - Mid-East United States for all of the company’s full and select service hotel brands. These brands include: Regent Hotels & Resorts (regenthotels.com); Radisson® Hotels & Resorts (radisson.com), Park Plaza® Hotels & Resorts (parkplaza.com), Country Inns & Suites By CarlsonSM (countryinns.com) and Park Inn® (parkinn.com.