What do Rosen Hotels and Resorts and the Millenium Technology Group have in common? Rosen Hotels and Resorts own the Millennium Technology Group. The Millenium Technology Group manages computer systems for various Rosen hotels. Computer systems, which are of paramount importance in the hotel business, provide the software programs that allow its customer s to book values, establish reservations, schedule meeting and events, view accommodations and plan vacations. They can also enable their customer s to view maps of the area to determine various sites and locations in its hotels immediate interest. Rosen Hotels Millenium Technology Group maintain offices in Orlando.