Francesco Risso will become creative director of the label.
The designer has worked for Ellie Saab, Porsche Design and Kenneth Cole.
The chief executive officers of Alexander McQueen, Balenciaga, Brioni, Christopher Kane, Stella McCartney and Tomas Maier will report to her.
Cater has 17 years of experience and has been with Ermenegildo Zegna for the past eight where he was vice president of wholesale.
Henriette Ernst will be based at the brand’s New York design studio and report to Joe Mimran, creative director, and Mario Grauso, president.