The Rezidor Hotel Group - announces the Park Inn Doncaster in the United Kingdom: The existing 'Purple Hotel Doncaster' will be rebranded in May 2009 and add 87 guest rooms to Rezidor's pipeline. 'With this signing our Park Inn portfolio in the UK reaches 35 hotels with more than 5,600 rooms in operation and under development', says Kurt Ritter, President & CEO of Rezidor.