Pioneer Investments has named Jonathan Chirunga as a portfolio manager on two Pioneer open-end municipal bond funds: Pioneer High Income Municipal Fund and Pioneer AMT-Free Municipal Fund.

Effective May 17, Chirunga will join David Eurkus, who has been a PM on both funds. Timothy Pynchon, previously a PM on both funds, is resigning from Pioneer Investments to pursue other opportunities, according to the firm.

Chirunga joined Pioneer in 2011 as a credit analyst and associate portfolio manager. Prior to joining Pioneer Investments, he spent 10 years at T. Rowe Price as a municipal credit analyst covering municipal debt offerings for tax-backed debt in the Southeastern and Central regions of the United States.

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