Not in a restaurant. Du Xifeng, a native of Xi, Shaanxi Province, is a China culinary master, a national senior technician, a standing member of the Famous Chef Committee of China Cuisine Association and director of Shaanxi Work Area, a national first-class judge of catering industry, a national registered referee, and a vice president of Shaanxi Cuisine and Catering Industry Association. As of June 12, Du Xifeng was mainly responsible for hygiene inspection and quality management of catering industry in Xi 'an area, and no longer worked in any restaurant.