Who did Churchill and Roosevelt appoint to lead the Normandy invaision?

The Supreme Commander of all forces to be appointed was General Dwight D.Eisenhower, who went on to become President of the USA between 1953-61. However, the Supreme Commander of British forces was Field Marshal Montgomery, the French were lead by General Charles de Gaulle, and the US forces by General Omar Bradley. All three of these though, were answerable to Eisenhower.