Sotiris Stamatiou is Group Human Resources Director at the Onassis Foundation Group of Companies as of July 2016 & President of the Board of the Greek People Management Association (GPMA) as of December 2016.

He has worked at Hellenic Petroleum Group of Companies as HR Director for EKO & BP, as well as HR Director for International Operations for 3 years. Previously, he was HR Manager at Interamerican for 5.5 years, Retail Med Cluster HR Manager at Shell Hellas for 8 years and Recruiting & Employee Services Manager at Procter & Gamble for 9 years, assuming various roles in Human Resources. He had also worked for Shell in Istanbul for 3 months and at the beginning of his career, for EIM in the Netherlands for 5 months.

He graduated in Economics from the Athens University of Economics & Business (AUEB), has a MSc in Communication and he has completed professional executive programs in ALBA, IMD and Ashridge University. He has been a member of the BoD of the Greek People Management Association (GPMA) for the periods between 1992-2000 and 2011-16.