Which coach, known for his tactical rigidity and intense personality, briefly managed Olympique de Marseille during a turbulent period marked by fan unrest and boardroom instability?

1. Hint 1: His managerial career includes stints at several high-profile clubs, often with short tenures.
2. Hint 2: He is known for favoring a demanding, direct style of play and expecting strict adherence to his tactical instructions.
3. Hint 3: His time at Marseille was cut short due to a combination of poor results and disagreements with club management.
4. Hint 4: He has managed clubs in multiple European leagues, including the Premier League.