Executive Officers

John P. Calamos, Sr.

Founder, Chairman and Global Chief Investment Officer

John Koudounis

President and Chief Executive Officer

Robert F. Behan, CFA

Executive Vice President, Chief Distribution Officer

Dan Dufresne

Executive Vice President, Chief Operating Officer

Jessica Fernandez

Senior Vice President, Chief Marketing Officer

Thomas Herman

Executive Vice President, Chief Financial Officer

Erik Ojala

Senior Vice President, General Counsel & Secretary

Yanni Sianis

Chief of Staff

William J. Takahashi

Senior Vice President, Head of Human Resources

Joseph Weidenbach

Senior Vice President, Head of Calamos Wealth Management