Michail Kalligiannis

Michail Kalligiannis is a seasoned procurement professional currently serving as a Senior Buyer at DESFA SA – Hellenic Gas Transmission System Operator since April 2023. Prior to this role, Kalligiannis worked as a Procurement Buyer for HELLENIC PETROLEUM Group of Companies from December 2016 to April 2023, and gained initial experience as a Student Employee at both Eurobank in 2014 and HELLENIC PETROLEUM in 2009. Kalligiannis is pursuing a Master’s degree in Supply Chain Management from Hellenic Open University, expected to be completed in December 2025, and holds a Bachelor's degree in Accounting and Finance from Technological Education Institute of Piraeus, completed in 2015.