Jim Madden joined Calamos Investments in 2021 and contributes more than 30 years of investment industry experience, all of which has been focused on socially and environmentally responsible investing strategies. Prior to joining Calamos, Jim worked for a multi-billion-dollar asset management firm, where he served as portfolio manager on an ESG global equity strategy. Previously, Jim was Chief Investment Officer and senior portfolio manager at Portfolio 21. He worked with Portfolio 21 for more than 20 years, both on the investment team and as the developer of the company’s shareholder activism program. Jim earned a bachelor’s degree and an M.B.A. from the University of Wisconsin.