Toumzatos is a graduate of the National and Kapodistrian University of Athens, holder of a Football Club Management diploma from the European Football Clubs (EFC), and has attended several Executive Education programs at internationally recognized educational institutions, including Harvard Business School.

He has more than 25 years of experience in senior management positions. He has held leadership positions in large business organizations and consulting firms, such as SHELMAN and Deloitte, while he has collaborated with international financial institutions, including the European Bank for Reconstruction and Development (EBRD), as well as with private and public sector entities.

His professional background also includes consulting duties in football organizations, with an emphasis on strategic planning, corporate transformation, organizational improvement and the implementation of modern corporate governance standards.

He served as the General Manager of Panathinaikos FC and Aris FC, and has actively contributed to the development of women’s football, as co-founder of AthensWFS, an international organization for women’s football based in New York and Athens.