Michael Dirstine was named senior vice president, institutional business development officer in the U.S., at Pioneer Investments, spokesman Geoff Smith said.
The position is new. Mr. Dirstine is responsible for direct sales within all channels of the institutional marketplace. He is based in Boston and reports to William Porter, senior vice president and head of U.S. institutional.
Mr. Dirstine was vice president of institutional sales at Eaton Vance. The firm will be hiring a replacement, said Eaton Vance spokeswoman Robyn Tice.
Pioneer Investments had about $242 billion in assets under management as of March 31.