Welcome to RB Holdings - Where a World of Opportunity Awaits at Mayfairs most exclusive venues. We are owned and operated by visionary entrepreneur Robin Birley, the force behind the renowned private members clubs 5 Hertford Street and Oswalds. We are currently seeking a Commis Chef to join our Kitchen team at Oswalds, our beautifully appointed private member''s club located in the heart of Mayfair click apply for full job ..... full job details .....