Chris Yiannakou was named head of Loomis Sayles Investments Ltd. in London.
Mr. Yiannakou, who will continue in his role as managing director, Europe, Middle East and Africa institutional services, reports to Kevin Charleston, chairman and CEO, and Maurice Leger, director of global institutional services, spokeswoman Orla O'Brien confirmed in an email.
He replaces Christine Kenny, who will work from Boston in the newly created role as strategic project leader, with an emphasis on environmental, social and governance projects. She will report to Mr. Charleston and John Russell, head of human resources.
Loomis Sayles & Co. had $347.8 billion in assets under management as of Dec. 31.