Dan Dufresne – Biography
Last update: April 21, 2026Executive profile
Dan was Partner at Citadel, and Head of Fixed Income at The D. E. Shaw Group. Dan Dufresne joined Calamos in 2021.
Dan Dufresne is currentlyExecutive Vice President, Chief Operating Officer at Calamos - View - Calamos org chart
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Education
Dan Dufresne has a Master of Business Administration from University of Chicago - Booth School of Business.
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- At Calamos, Dan Dufresne has 50 colleagues including John Koudounis (CEO), Jessica Fernandez (Marketing)…
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- Daniel Dufresne - Director of Operations - Idair
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- In the Financial Services industry, Dan Dufresne has 59,584 colleagues in 4,103 companies located in 107 countries. 28,706 executive movements have been recorded in the last 12 months. Learn more about Financial Services.
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