As a Co-Chief Investment Officer, Nick Niziolek is responsible for oversight of investment team resources, investment processes, performance and risk. As Head of Global Strategies, he manages investment team members and has portfolio management responsibilities for international, global and emerging market strategies. He is also a member of the Calamos Investment Committee, which is charged with providing a top-down framework, maintaining oversight of risk and performance metrics, and evaluating investment process. Nick joined the firm in 2005 and has 20 years of industry experience, including tenures at ABN AMRO and Bank One. He received a B.S. in Finance and an M.B.A. from DePaul University.