He holds a Bachelor of Science in Economics-Finance from Bentley University, a Master of Science in International Banking & Financial Services from the University of Reading, and professional certifications from the Hellenic Capital Market Committee and Athens Derivatives Exchange. Fluent in Greek and English, John has an extensive international background, having worked in different locations such as the US, UK, and Greece.

John's career began with internships at Smith Barney and Oppenheimer & Co., before taking on roles in treasury and fixed income trading at institutions such as Piraeus Bank Group, Emporiki Investment Bank, and First Business Bank. Most notably, he spent over a decade at EFG Eurobank M.F.M.C. as a Fund Manager, where he managed a range of fixed income funds with €600 million AUM. Currently, John is working as a Tied Agent at KM Cube Asset Management, where he advises a Luxembourg-based UCITS fund and serves as a member of the Investment Committee.