You're signed outSign in or to get full access.
About
Nicholas Niziolek is Senior Vice President, Co-Chief Investment Officer, and Head of International & Global Strategies at Calamos Investments, based in Oswego, Illinois. He is responsible for overseeing the firm’s investment team resources, guiding investment processes and performance, and managing risk across global and international portfolios. In his current role, Niziolek serves as Senior Co-Portfolio Manager for strategies that focus on global and international equities, including emerging markets and growth opportunities in developing economies.
Since joining Calamos Investments in 2005, Niziolek has led the international and global strategies group, cultivating expertise in equities across regions such as China, India, and the broader emerging markets universe. Prior to this, he worked as a risk analyst at ABN AMRO Bank N.V., strengthening his quantitative and risk management capabilities.
Niziolek holds a Master of Business Administration in Finance from DePaul University’s Charles H. Kellstadt Graduate School of Business. He is widely recognized for his contributions to global equity portfolio management and risk oversight, and frequently shares insights on macroeconomic trends and international markets.
Career History
| Organization | Role | Date Range | Details |
|---|---|---|---|
| Calamos Investments | Research Analyst | Mar 2005 to Present | Calamos Investments is a diversified global investment manager committed to excellence in investment management and client service. Calamos was founded in 1977 by John P. Calamos, Sr. who sought innov... |
| Calamos Investments | Senior Vice President, Co-Chief Information Officer, Head of International and Global Strategies, Senior Portfolio Manager | Mar 2005 to Present | Calamos Investments is a diversified global investment manager committed to excellence in investment management and client service. Calamos was founded in 1977 by John P. Calamos, Sr. who sought innov... |
| Abn Amro Bank n.V. | Risk Analyst | Mar 2004 to Mar 2005 | — |
| Lasalle Bank | Risk Analyst | Jan 2004 to Jan 2005 | — |
| Bank One | Analyst | Jan 2002 to Jan 2004 | — |
Education
DePaul University - Charles H. Kellstadt Graduate School of Business
Master of Business Administration, Finance
2007 — 2012
DePaul University
1998 — 2002
Others at Calamos Advisors LLC (44)
| Name | Role | Location |
|---|---|---|
 | Vice President - Investment Consultant -RIA and BANKS | Denver, CO , United States |
 | Equity Trader | Naperville, IL , United States |
 | Portfolio Manager | Oak Park, IL , United States |
D Doug Berman | Vice President - Senior Investment Consultant | Jupiter, FL , United States |
 | Vice President, Investment Consultant | Philadelphia, PA , United States |
 | Co-Chief Investment Officer, Senior Co-PM, Head of Alternatives and Co-Head of Convertibles | Chicago, IL , United States |
G Glen Ingalls | SVP and Co-Portfolio Manager | Oakland, CA , United States |
 | Research Associate | Chicago, IL , United States |
 | Senior Vice President, Senior Co-Portfolio Manager | Naperville, IL , United States |
J Joe Mariano | SVP, Head of Global Trading and ETF Capital Markets | Naperville, IL , United States |
