sentences:  The company was founded and run by the husband-and-wife team of Sir Howard Panter and Rosemary Squire OBE, who topped "The Stage" 100 list of prominent UK theatre personalities from 2010 to 2016.ATG's business model involves the combination of theatre ownership with production management, marketing and ticket operations.ATG manages (and in some cases own) venues, mainly theatres, which host shows for paying audiences, including shows created by its production functions; ATG's production functions create shows, which are hired out for performance at theatres including theatres managed by ATG; and ATG's ticketing and marketing function sells and charges fees for selling tickets, for venues, including venues owned by ATG.