Diego Franzin has left as head of equities at Amundi, a spokesman said.
Mr. Franzin left for "personal reasons, and a succession plan will be announced in due course," the spokesman added.
Pascal Blanque, chief investment officer, and Vincent Mortier, deputy chief investment officer, will heading equity investments until the new appointment is named. Messrs. Blanque and Mortier will be supported by Alexandre Drabowicz, deputy head of equities.
Amundi has €1.45 trillion ($1.92 trillion) in assets under management.