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Organizational Chart of Calamos
Calamos Org Chart
www.calamos.com
has 51 executives
+1 630 245 7200
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CEO
John Koudounis
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CFO
Thomas Herman
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COO
Dan Dufresne
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Midwest Practice
T...
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Northeast Practice
G...
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Market Strategist
M...
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US Industrials Sector Head
M...
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Chief of Staff
Y...
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Co-Investment & Alternative ...
E...
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Admin & HR
W...
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Investment & Chairman
J...
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Fixed Income Strategies
M...
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Strategies Investment
N...
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Multi-Asset & Convertible
J...
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Long & Short Strategies
M...
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Wealth Strategy, Planning & ...
J...
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Trading & ETF Capital Markets
J...
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Investment Ops, IT & Co-Head...
D...
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Trade
M...
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Trade
B...
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Investment Operations
A...
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Distribution
T...
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RIA Sales
T...
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ETF Sales
H...
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National Accounts
G...
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National Accounts
G...
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Marketing
J...
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Co-Head, Alternative Strateg...
D...
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Institutional & Intermediary...
R...
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Legal & Secretary
E...
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Asset Allocation & Client So...
P...
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Wealth Management
J...
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Investment, Wealth Management
J...
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Portfolio
B...
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Portfolio
P...
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Co-Portfolio
C...
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Co-Portfolio
J...
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Co-Portfolio
D...
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Co-Portfolio
J...
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Co-Portfolio
J...
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Co-Portfolio
J...
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Co-Portfolio
A...
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Co-Portfolio
G...
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Portfolio Specialists
S...
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Portfolio Specialist
S...
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Portfolio Specialist
T...
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Co-Portfolio
J...
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Sustainable Equity Research
B...
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Portfolio
K...
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Co-Portfolio Manager, ETF
J...
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Portfolio
J...
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Updated Apr 21, 2026
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