Chef Matt Murphy has left M Bistro (921 Canal St., 670-2828; www.ritzcarlton.com/neworleans), the flagship restaurant at the Ritz-Carlton Hotel which opened last year and was named in his honor. As executive chef, Murphy was in change of the hotel's overall culinary operations. Murphy says he plans to "begin my own project and a new career path." The hotel has not yet named his replacement. M Bistro continues to serve breakfast, lunch and dinner daily.