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John Koudounis
President & CEO
John Koudounis
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Dan Dufresne
EVP & COO
Thomas Herman
EVP & CFO
John P. Calamos Sr.
Founder, Chairman & Global CIO
Robert F. Behan
EVP & Chief Distribution Officer
Jessica Fernandez
SVP & CMO
Yanni Sianis
Chief of Staff
Joseph Weidenbach
SVP & Head of Calamos Wealth Management
William J. Takahashi
SVP & Head of Human Resources
Erik Ojala
Senior Vice President, General Counsel & Secretary
Thomas Schaub
Svp, CISO & PMO Director
Pete Papageorgakis
SVP - Head Of Product | Calamos Investments
