Calamos Investments is a major investment firm based in Chicago with more than $18 billion in assets under management.

RPR was retained by Calamos in 2016 after John Koudounis joined as the first non-family member to serve as CEO. RPR also represented Mr. Koudounis in his previous role as CEO of Mizuho Securities USA. Calamos engaged Rubenstein Public Relations to reposition the firm, provide strategic counsel, advise on messaging, boost coverage, and elevate the profiles of Mr. Koudounis and other Calamos senior executives. RPR counseled the CEO on the direction and messaging of strategic announcements and hassecured coverage in key outlets including The Wall Street Journal, Bloomberg Radio, Investor’s Business Daily, Barron’s, and Reuters, among many other publications.