John Koudounis — SPARQNOW

At-a-Glance

Chief Executive Officer of Calamos Investments, a diversified global investment firm offering various investment strategies.
Former President and Chief Executive Officer of Mizuho Securities USA, a U.S. broker-dealer subsidiary of Mizuho Financial Group.
Served as Executive Managing Director and Head of Fixed Income for Mizuho Securities USA.
Began his career at Merrill Lynch in 1988.
Received his Bachelor’s degree from Brown University, studying International Diplomacy & Foreign Affairs and Economics.
Member of the Economic Club of Chicago, the Bretton Woods Committee, and the Japan Society.

Biography

John S. Koudounis serves as the Chief Executive Officer of Calamos Investments, a global investment firm. The firm provides a range of innovative investment strategies, including U.

S. growth equity, global equity, convertible, multi-asset, and alternative investments.