By Giulio Piovaccari MILAN (Reuters) -Stellantis new CEO Antonio Filosa started his tenure on Monday by retaining his previous role as head of the key North American market, while avoiding major changes to the French-Italian automaker's senior management team.

Antonio Filosa began his tenure as chief executive of US-European auto giant Stellantis on Monday with a leadership shake-up, as he seeks to jump-start performance at the struggling maker of

Chief Executive Antonio Filosa shuffled responsibilities within the Jeep parent company and he retained the role of head of North America and American brands.