Born in 1964, Stamatis became the Head of Shell & MOH Aviation on May 2018. He is an Economist with a degree from the National and Capodistrian University of Athens, department of Economics, and also holds an MBA (Finance) from the University of Stirling, Scotland.

Stamatis started his career in 1992 as auditor for Coopers and Lybrand in Athens office. In July 1994 he joined the Treasury department of Shell Hellas as Cash Manager and later as Assistant Treasurer. In Feb 1997 he moved to the Commercial department, initially as Account Manager West Greece and later as Sales Manager South Greece. In November 2001 Stamatis moved to SEOP (Shell European Oil Products) as Marketing Manager, Commercial Transport, for South, Central and Eastern Europe. In Jan 2003 he took over as Commercial Fuels & Bitumen Manager, for South Europe and Poland. In June 2006 he joined the Global Distribution Team as Business Development Manager, Europe. Following the acquisition of the local business of Shell Hellas by MOH mid 2010, Stamatis took the role of Supply and Distribution Manager for Coral A.E..