Boyne Leaving Calamos Investments

Calamos Investments said Thursday that James Boyne, the firm's president and COO, would be leaving effective Sept. 30. The departure was planned, Calamos said. Calamos said it does not plan to replace the role of President and COO, and Boyne's responsibilities will be assumed by other senior leaders. Naperville, Ill.-based Calamos is an investment management firm.

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