Calamos, a diversified global investment firm, completed the acquisition of Pearl Impact Capital, a sustainable investment firm. Financial terms were not disclosed. "We are thrilled to reunite Jim and Tony and bring their caliber of ESG capabilities to Calamos. John Calamos founded our firm based on his pioneering work in convertible securities and we welcome these pioneers in the field of sustainable investing to our platform. Our goal is to provide clients with high-quality, unique investment solutions and this team’s depth, talent, and experience in ESG investing will help us continue that tradition," John Koudounis, Calamos Investments President and CEO.