Management Team

John Calamos

John P. Calamos, Sr.

Chairman, Chief Executive Officer and Global Co-Chief Investment Officer
John Calamos, Sr. founded our predecessor company in 1977. Earlier in his career, he enlisted in the United States Air Force and ultimately earned the rank of major. A pioneer in the use of convertible security investment strategies to help manage risk, he is the author of two books about convertible securities and the author of numerous articles about asset management and economics. Calamos is a trustee of the Illinois Institute of Technology, is the Chairman of the Board of Directors for the National Hellenic Museum in Chicago, and is a member of the Investment Analysts Society of Chicago. Calamos received his undergraduate degree in economics and an MBA in finance from the Illinois Institute of Technology, Chicago.
Gary Black

Gary D. Black

EVP, Global Co-Chief Investment Officer
Gary Black previously served as Chief Executive Officer, Chief Investment Officer and founding member of Black Capital, LLC. Prior to that, he served as Chief Executive Officer of Janus Capital Group from January 2006 through July 2009, and President and Chief Investment Officer from April 2004 to January 2006. Prior to joining Janus, Black was Chief Investment Officer of Global Equities at Goldman Sachs Asset Management (GSAM), which he joined as a partner in June 2001. Prior to this role, Black headed GSAM's U.S. distribution efforts. Previously Black was Executive Vice President and head of Alliance Bernstein's global institutional business. He started his investment career in 1992 at Sanford C. Bernstein where he served as a senior research analyst and was named top analyst in his sector for six consecutive years. Black earned an MBA from Harvard Business School and a BS Economics degree from the Wharton School of the University of Pennsylvania.
Nimish Bhatt

Nimish S. Bhatt

SVP, Chief Financial Officer and Head of Fund Administration
Nimish Bhatt is responsible for all finance, accounting and tax areas of the company and of the Calamos funds. Before joining our predecessor company in 2004, he spent more than 20 years in accounting, tax and administration in the financial services industry. From 1996 to 2003, Bhatt worked for BISYS Investment Services, where he last served as senior vice president of alternative investment products, tax and quality assurance. Bhatt has a bachelor's degree in Advanced Accounting and Auditing and a law degree in Taxation from India's Gujarat University. He also has an MBA from The Ohio State University. Bhatt is a member of the board of directors of the Illinois Chamber of Commerce and Indian Prairie Education Foundation and previously served as Chairman of the board of NICSA.