Calamos Investments announced that recently-appointed Co-Chief Investment Officer and Head of Fixed Income Strategies R. Matthew "Matt" Freund, CFA, has been named Co-Portfolio Manager on a variety of Calamos investment products. Freund joins the portfolio management teams as a Co-Portfolio Manager of the following mutual funds: Calamos Growth and Income Fund (CVTRX); Calamos Global Growth & Income Fund (CVLOX); Calamos Convertible Fund (CCVIX); Calamos Total Return Bond Fund (CTRAX); Calamos High Income Fund (CHYDX); Calamos Global Convertible Fund (CAGCX). In addition, Freund has been named Co-Portfolio Manager for the Calamos closed-end funds: Calamos Dynamic Convertible & Income Fund (CCD); Calamos Convertible Opportunities & Income Fund (CHI); Calamos Convertible & High Income Fund (CHY); Calamos Global Dynamic Income Fund (CHW); Calamos Strategic Total Return Fund (CSQ); Calamos Global Total Return Fund (CGO).