Hervé Guez was named head of equities and fixed income at Mirova, a spokesman said.
The position is new. Mr. Guez will be responsible for coordinating the fund management teams in Paris. He will remain in his current role as head of responsible investment research.
"The appointment of Hervé Guez allows us to better serve our goal of creating added value for our clients, with management that incorporates environmental, social and governance criteria, as we gain in momentum for development in Europe and the U.S.," CEO Philippe Zaouati said in a news release.
Mr. Guez will report to Mr. Zaouati and Jens Peers, global chief investment officer of equities and fixed income.
Mirova is a €6.9 billion ($7.7 billion) subsidiary of Natixis Global Asset Management, which has total assets under management of $895.6 billion.