Rosemary Squire, English producer and manager, co-founded Ambassador Theatre Group
Dame Rosemary Anne Squire, DBE (born 27 May 1956) is a British commercial theatre owner and entrepreneur. She was founder, co-owner and joint chief executive of the Ambassador Theatre Group (ATG) Ltd. Squire and her husband/business partner, Howard Panter, are the second largest shareholder of ATG.Squire is co-founder, Joint CEO and Executive Chair of Trafalgar Entertainment.