Dallas-based Fiesta Restaurant Group Inc. has announced that the former general counsel of Panera Bread Co. will be taking over the legal department, effective immediately.

Louis DiPietro began his role as the company’s senior vice president, general counsel and corporate secretary of the parent company of Pollo Tropical and Taco Cabana on Monday.  DiPietro replaces Maria Chang Mayer, who left the company Dec. 14, according to a U.S. Securities and Exchange Commission filing. It is unclear why she left the company. Mayer was appointed the company’s general counsel in October 2017, according to a previous news release.