Calamos Investments, a global investment management firm, announced the planned departure of James Boyne, President and Chief Operating Officer, effective September 30, 2013. Until that time, Boyne will act in an advisory role and assist the company in the orderly transition of his duties and responsibilities.

Boyne joined Calamos in 2008 and served in several executive positions since then. He is pursuing a leadership position in the non-profit sector, focusing on the betterment of children and young adults.

"I appreciate Jim's leadership during his tenure at the firm and wish the best to him and his family," said John P. Calamos Senior Chairman, Chief Executive Officer and Global Co-Chief Investment Officer in a statement.

The firm does not plan to replace the role of President and COO, and Boyne's responsibilities will be assumed by other senior leaders at Calamos, including the firm's Executive and Operating Committees.

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