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Gerasimos Avlonitis
Senior Advisor to the CEO on Market Design at Hellenic Gas Transmission System Operator SA (DESFA SA) & Member of the BoD, Hellenic Energy Exchange S.A.


Gerasimos started his professional career in the upstream sector of the hydrocarbon industry in 1996. Based in the UK, he worked in numerous oil and gas production optimization projects in Europe, Middle East and Latin America.

Moving to the downstream sector of the industry, he joined the business development team of Prometheus Gas S.A., a joint company of Gazprom and Copelouzos Group in Greece, involved in gas and power projects.

In May 2002 he joined the Greek Regulatory Authority for Energy (RAE) as an energy expert, holding the position of Head of the Gas Department from 2005 until the end of 2012.

Since 2013, he is an advisor at the Hellenic Gas Transmission System Operator (DESFA) on regulatory affairs and the coordinator of the team dealing with the design of the wholesale gas market in Greece. In June 2018, was nominated by DESFA as member of the Board of Directors in the newly established Hellenic Energy Exchange S.A. (Energy Exchange Group - HEnEx).

He has delivered seminars and training courses in Greece and several other countries in Europe and the Middle East on gas sector organization, gas pricing and Third-Party Access tariffs. Since 2014, he is also a visiting lecturer at the University of Piraeus Master’s program in Energy: Strategy, Law & Economics.

Gerasimos holds a degree in Chemical Engineering from the National Technical University of Athens and an MSc in Petroleum Engineering from the Imperial College, London.

Agenda Sessions

  • Greece a new player: Current and future plan for LNG and gas in the energy mix