Property Business News - Graham Barnard made sure to gain the approval of his better half before taking on a subcontractor to expand his oven cleaning business, Ovenu Brentwood. For at the time applicant Tobias Titchner was working as a chef for Graham s wife Gemma at The Artichoke Toby Carvery, where she is general manager. Fortunately, poaching one of her employees didn t cause any family ructions, he joked.