Επιχειρηματικότητα I Διευθύνων Σύμβουλος I Ηνωμένες Πολιτείες Ι USA

[:el] John Koudounis is the CEO of a global investment management firm, “Calamos Investments”. Prior to this position, he has served as President and Chief Executive Officer of “Mizuho Securities USA”, a subsidiary of “Mizuho Financial Group”, one of the world’s largest full-service financial institutions....