Mark Barry joined Robeco as head of institutional business in London, a spokesman said.
The position is new. Mr. Barry is responsible for developing the firm's relationships with institutional clients in the U.K. He reports to Hester Borrie, head of global distribution and marketing.
Mr. Barry was previously managing director, institutional business at Russell Investments. A spokeswoman could not be reached for comment by press time.
Robeco has €273 billion ($304 billion) in assets under management.