John P. Calamos, Sr.
Founder, Chairman and Global Chief Investment Officer
Calamos Investments
John P. Calamos, Sr. is Chairman and Global CIO of Calamos Investments, a firm he founded in
1977. With origins as an institutional convertible bond manager, the firm has grown into a global
asset management firm with major institutional and individual clients around the world. The firm is
headquartered in the Chicago metropolitan area with additional offices in New York, San Francisco,
Milwaukee and the Miami area.
Mr. Calamos has established research and investment processes centered around a team-based approach
designed to deliver superior risk-adjusted performance over full market cycles through a range of U.S.
and global investment strategies including equity, fixed income, convertible and alternative investments.
With 50 years of industry experience, he is often quoted as an authority on risk-managed investment
strategies, markets and the economy. He is a frequent speaker at investment seminars and conferences
around the world and appears regularly on CNBC, Bloomberg TV and Fox Business Channel.
Mr. Calamos has written two books: Investing in Convertible Securities: Your Complete Guide to the Risks
and Rewards and Convertible Securities: the Latest Instruments, Portfolio Strategies, and Valuation Analysis.
He received his B.A. in Economics and an M.B.A. in Finance from the Illinois Institute of Technology.
He joined the United States Air Force after graduation where he served as a combat pilot during the
Vietnam War and ultimately earned the rank of Major.