Executive Officers

John P. Calamos, Sr.

Founder, Chairman and Global Chief Investment Officer

John Koudounis

President and Chief Executive Officer

Dan Dufresne

Executive Vice President, Chief Operating Officer

Jessica Fernandez

Senior Vice President, Chief Marketing Officer

Tom Herman

Executive Vice President, Chief Financial Officer

Thomas Kiley

Senior Vice President, Chief Distribution Officer

Erik Ojala

Senior Vice President, General Counsel & Secretary

Yanni Sianis

Chief of Staff

William J. Takahashi

Executive Vice President, Chief Administrative Officer and Head of Human Resources

Joseph Weidenbach

Senior Vice President, Head of Calamos Wealth Management