Calamos Investments - About Us

Sr. Vice President, Co-Head of Research and Investments

Jon Vacko, CFA

Mr. Vacko is Co-Head of Research and Investments with portfolio management, research, and day-to-day team management responsibilities. He is directly involved in the fundamental analysis of companies, while investigating investment opportunities consistent with the firm's long-term philosophy and process. In line with Calamos' integrated investment team structure, Jon works within a senior team of professionals and is an asset class generalist with sector responsibilities across all of Calamos' strategies.

Mr. Vacko, a Chartered Financial Analyst (CFA), graduated from the University of Wisconsin with a BBA in Finance, and holds an MBA from the University of Chicago. Prior to joining Calamos in 2000, he was a Credit Analyst with Duff & Phelps Credit Rating (now part of Fitch IBCA) in the Financial Institutions Group and was an Examiner with the Federal Reserve Bank of Chicago.

INVESTMENT TEAM (experience)


Global Chief Investment Officers


Co-Heads of Research and Investments


Senior Strategy/Sector Analysts


Senior Sector Analysts