John Koudounis Appointed Calamos Investments’ Chief Executive Officer

KoudounisJohn P. Calamos, Sr. announced today that he has appointed John Koudounis, 50, Chief Executive Officer of Calamos Investments, a global investment management firm.  Koudounis, whose appointment is effective Monday, April 4, 2016, will lead the firm’s business activities, including executing the firm’s growth strategy and expanding the firm’s global footprint. Calamos will remain Chairman and Global CIO, focusing on investing and the continuity of Calamos’ investment-centric culture.

“As founder of Calamos Investments, few things are as important to me as ensuring that we have the right executive team in place to successfully lead the firm in the years to come,” said John Calamos. “In appointing John Koudounis as CEO, we’re adding an executive with tremendous integrity, valuable global financial services experience, and a successful track record of leadership and corporate growth. As part of Calamos Investments’ evolution, he is the right leader joining us at the right time. While I will continue to be active in the business, John Koudounis’ appointment as CEO will allow me to spend more time on my investment responsibilities as Global CIO.”

Koudounis commented, “I am looking forward to building upon the strong foundation that John and his colleagues have created. I am impressed by the firm’s talent, its strong client relationships and emerging global presence. We will remain focused on our mission of delivering strong long-term performance to our clients while thoughtfully growing the firm in ways that capitalize on – and complement – our core competencies, offering meaningful investment opportunities to our clients.”

Koudounis has 27 years of financial services experience including executive leadership in the global securities business and a deep background in global fixed income. Most recently, he served as President and Chief Executive Officer of Mizuho Securities USA, Inc. (MSUSA), a subsidiary of Mizuho Financial Group, one of the world’s largest full-service financial institutions. During his tenure at Mizuho Securities, he grew the firm into a top 10 investment banking powerhouse. Prior to joining MSUSA in 2008, Koudounis was Managing Director and Head of Fixed Income for ABN AMRO North America where he played a critical role in its successful growth.

Calamos stated, “I’ve known John Koudounis for many years and I value his leadership, insights, energy, and corporate development skills that will build the areas of our business which are strategically important to our shareholders and clients, today, tomorrow and into the future. He is a strong addition to our team, as I will continue to focus on my role as Global CIO directing our investment-centric culture.”