The Nice boss has been named as the replacement for Mauricio Pochettino, who left Paris Saint-Germain to take the same job in England.
Despite leading Paris Saint-Germain to the French title, Mauricio Pochettino has left the club.
The competition the Qatari owners crave so much has cost him his job.
In their last-16 tie against Real Madrid, Paris Saint-Germain were up 2-0 and only 45 minutes to go. They were undone by a 17-minute second-half hat- trick from Benzema.
It was only the second manager in the club's history to guide Paris Saint-Germain to the semi-finals under the current ownership, but they were knocked out by Manchester City.
At the end of the season, Manchester United considered hiring Mauricio Pochettino for the manager's position, but instead chose to go with a different manager.
After guiding Lille to the title in 2020-21, Galtier joined Nice, who finished fifth in the French top flight last season.
A ground-breaking data analysis has raised concerns about the suitability of Galtier for Paris Saint-Germain.
The Carteret Manager rating is a tool used by football club decision-makers to assess the ability, quality and potential of managerial appointments.
The analysis is based on managers' performances over the past six seasons and is weighted against expectations, strength of opposition sides and other factors.
As part of a study for Sky Sports, they shared their analysis of Paris Saint-Germain.
Galtier has a lower rating than any of the other replacements who had been linked with the job, and his defensive style is very different from the usual approach of Paris Saint-Germain.
If he was available, he would have been an ideal option for the Paris club.
1x Super Cup, 1x Bundesliga, 1x La Liga, and 1x Carlo Ancelotti.
Unai Emery is a 1x finalist in the Europa League and a 1x semi-finalist in the Champions League.