Calamos Investments CEO and leadership

John S. Koudounis is an American business executive who currently serves as president and chief executive officer for Calamos Investments. Previously he was the president and chief executive officer for Mizuho Securities USA Inc., a subsidiary of Japanese banking holding company Mizuho Financial Group He is a regular commentator for television and financial news programs including Fox Business, CNBC, CNN, Bloomberg, and others. At 44 years of age, Koudounis was the youngest CEO of any Wall Street firm when he was appointed in 2010.

John P. Calamos, Sr. (born 1940) is a Greek-American businessman who founded Calamos Asset Management in 1977, and won several accolades, including, with the Calamos Growth and Income Fund, receiving both Standard & Poors/BusinessWeek awards for Excellence in Fund Management for year 2003 and year 2004. A veteran of the Vietnam War, he served as a US Air Force fighter pilot with more than 900 combat hours. Calamos received a bachelor's degree in business and economics from Illinois Institute of Technology in 1963 and an MBA in 1970, and currently serves on the IIT Board of Trustees. He also serves as Chairman of the National Hellenic Museum.

Eli Pars, CFA is a Co-Chief Investment Officer, Senior Co-PM, Head of Alternatives and Co-Head of Convertibles at Calamos Investments and is based in Naperville, Illinois. He has worked as President at Mulligan's, Senior Portfolio Manager and Member of Four Person Management Committee at Sigma Alpha Mu Fraternity, and Manager of European Convertible Strategy at Sigma Alpha Mu Fraternity. Eli studied at University of Chicago Booth School of Business until 1992 and University of Illinois until 1986.

John P. Calamos, Sr. (born 1940) is a Greek-American businessman who founded Calamos Asset Management in 1977, and won several accolades, including, with the Calamos Growth and Income Fund, receiving both Standard & Poors/BusinessWeek awards for Excellence in Fund Management for year 2003 and year 2004. A veteran of the Vietnam War, he served as a US Air Force fighter pilot with more than 900 combat hours. Calamos received a bachelor's degree in business and economics from Illinois Institute of Technology in 1963 and an MBA in 1970, and currently serves on the IIT Board of Trustees. He also serves as Chairman of the National Hellenic Museum.

John P. Calamos, Sr. (born 1940) is a Greek-American businessman who founded Calamos Asset Management in 1977, and won several accolades, including, with the Calamos Growth and Income Fund, receiving both Standard & Poors/BusinessWeek awards for Excellence in Fund Management for year 2003 and year 2004. A veteran of the Vietnam War, he served as a US Air Force fighter pilot with more than 900 combat hours. Calamos received a bachelor's degree in business and economics from Illinois Institute of Technology in 1963 and an MBA in 1970, and currently serves on the IIT Board of Trustees. He also serves as Chairman of the National Hellenic Museum.

Eli Pars, CFA is a Co-Chief Investment Officer, Senior Co-PM, Head of Alternatives and Co-Head of Convertibles at Calamos Investments and is based in Naperville, Illinois. He has worked as President at Mulligan's, Senior Portfolio Manager and Member of Four Person Management Committee at Sigma Alpha Mu Fraternity, and Manager of European Convertible Strategy at Sigma Alpha Mu Fraternity. Eli studied at University of Chicago Booth School of Business until 1992 and University of Illinois until 1986.