Planet Hollywood Intl. Inc. has added several marketing and merchandising exec positions.Michael Baker has been tapped as VP of marketing, based in Orlando, Fla. He had been director of global marketing for Coca-Cola Co., as well as a marketing manager for the Blockbuster Entertainment Group. Planet Hollywood officials also named Caroline Nicholas Galloway as VP of public relations and promotions. Previously, she was director of promotions and publicity for HBO. In addition, the company has named Barbara Palmer VP of entertainment alliances, T.J. Rhine as director of creative services, Karen Jolles as VP of retail merchandising and Dommecko Guzzi as a marketing manager.