The former Printemps executive will be in charge of both fashion and fragrances in the newly created position.
The designer will show his last collection on Friday, after three years as creative director of the French fashion house.
The actress and model was among the front-row guests at Nina Ricci Friday afternoon.
MoMu is to mount an exhibition this fall called “She Walks in Beauty.”
The Spanish company has also opened an office in the region.
A Bologna, Italy factory is handling the knitwear production and a New York one is helping with fabric development and design.