In 1987, he opened Maxim's de Paris, as a part of the
Peninsula Hotel in New York. While at Maxim's de Paris, Diot served as the Executive Chef. As Executive Chef, Diot took charge of the hotel, two restaurants, and a
banquet facility. In January 1989, Jean-Michel Diot opened his first owned restaurant, Park Bistro that won 3-stars from the
New York Times. The same year, he opened Park Avenue Catering, a
bakery and pastry shop. In 1990, he opened
Brasserie Les Halles, a French
butcher shop and restaurant that won 2-stars from the
New York Times In 1992, he opened Brasserie des Theatres with Max Bernard and Philippe Lajaunie that won two stars in the
New York Times. While operating these restaurants, Diot also served as a chef for dinners such as the Sister Town
Cannes-
Beverly Hills, the Cancer Foundation dinner organized by the
Martell Foundation, and served as the official and exclusive caterer for the
Museum of Television in New York. Diot also catered dinners in honor of
Henry Kissinger, and for Pierre Franey's 70th birthday. He also participated in the Master Food and Wine Week in
Carmel, as well as "Share Strength" since 1990. ==Career in La Jolla==