Eurogas Annual Regional Conference ‘Greece: The Energy Transition and the Role of Gas’

Eurogas Annual Regional Conference ‘Greece: The Energy Transition and the Role of Gas’

  1. Home
  2. Events
  3. Eurogas Annual Regional Conference ‘Greece: The Energy Transition and the Role of Gas’

Eurogas, with the kind support of its member DEPA COMMERCIAL, is pleased to announce its first Eurogas Annual Regional ConferenceGreece: The Energy Transition and the Role of Gas taking place on 16 November 2021 in Athens and online (10:00-12:35 EET/ 09:00-11:35 CET).

As part of the event, a visit by bus in the historical centre of Athens starting at 17:15 (EET) and a dinner at 20:00 (EET) are scheduled on 15 November 2021.

The recording, presentations and photos from the event are available to view below.


Programme (EET/CET time)

In Athens: Registration & coffee (09:30 EET)
10:00 EET

09:00 CET


Opening speeches

Ioannis Papadopoulos, Chairman of the Board of Directors, DEPA COMMERCIAL

Didier Holleaux, President of Eurogas

10:25 EET

09:25 CET


Keynote speeches

Kostas Skrekas, Minister for the Environment, Energy and Climate Change, Greece

Maria Spyraki, MEP, Member of the ITRE Committee, European Parliament (EPP, Greece)

10:45 EET

09:45 CET


Konstantinos D. Xifaras, CEO, DEPA COMMERCIAL

10:55 EET

09:55 CET





Panel 1 – The regional gas market

Prof. Athanasios Dagoumas, President, Greek Regulatory Authority for Energy

Maria Rita Galli, CEO, DESFA

Boyana Achovski, Secretary General, Gas Infrastructure Europe

George Polychroniou, Executive Director Strategy & Business Development, DEPA COMMERCIAL


11:45 EET

10:45 CET

Coffee break
11:55 EET

10:55 CET





Panel 2 – A transition to clean energy

Ioannis Moraitis, Project Manager Hydrogen/Renewable Gas, DEPA COMMERCIAL

Felicia Mester, Senior Policy Advisor, Hydrogen Europe

Nikolaos Satras, Head of Natural Gas Business Unit, Motor Oil Hellas

Eva Spilioti, Chief Financial Officer, Gastrade


12:40 EET

11:40 CET



The conference will be moderated by Dr Nektaria Karakatsani, Expert in Energy Regulation and EU Funding, Advisor to the Minister of Energy and Environment



Mr. Giannis Papadopoulos is the Chairman of DEPA Commercial S.A. of Greece, as well as of DEPA International. He holds both a Degree in Mechanical Engineering, with a specialization in Production Engineering and Management, at the National Technical University of Athens, as well as an MBA from Cass Business School London. Since December 2017 onwards, he has been  Partner of EOS Capital Partners, one of the largest Greek Private Equity Funds.

From July 2003 until the end of 2017, he was the co-founder and CEO of Attica Ventures, a venture capital investment firm that invested in Greek SMEs, creating more than 800 direct new jobs. Four of them were listed on the Athens Exchange Alternative Market, while the company achieved one of the first sales of a Greek technology start-up company – Antcor to a foreign group, namely the large Swiss multinational u-Blox. (2014).

In the context of his more than 20 years presence in the investment market, Mr. Papadopoulos has acquired specialized experience in mergers and acquisitions, business development, reorganization and implementation of large investment projects. In October 2011 he was awarded by the Athens Chamber of Commerce and Industry with the Employment Growth Award for his long-term investment presence and contribution to the creation of new jobs. He has participated in more than 20 Boards of Directors of listed companies of ATHEX, investment companies, and public organizations and has gained significant and many years of experience in the management of large companies by participating in their BoDs (ETEAN 2012-2015, PPC 2009, ETAP 2007-2009, ISAP 2004-2007). He is the Chairman of the Hellenic Association of Venture Capital (HVCA), member of the Advisory Committee of the Hellenic Capital Market Commission and of the Alternative Market Advisory Committee of the Athens Stock Exchange, as well as, member of the MBA International Business Council of the Athens University of Economics and Business. From 2001 to 2013, he was an elected member of the TEE (Technical Chamber of Greece) Board of Directors, responsible for the domains of Industry, Small and Medium Enterprises, and Entrepreneurship.


After graduating as an Engineer (Ecole Polytechnique and Ecole Nationale des Mines de Paris), Didier HOLLEAUX started to work as an Engineer in the car-manufacturing and in the oil industry. He then made a career in the French Civil Service which led him to the position of head of the departmental staff (“Directeur de Cabinet”) of the Energy Minister (1992-1993).

Didier HOLLEAUX joined Gaz de France (merged in GDF SUEZ in 2008 and renamed as ENGIE in 2015), in 1993. Since then, he held different managing positions in the transmission, distribution, and LNG businesses of the company. He also founded and managed the North Sea Exploration and Production (1997-2000) and managed the worldwide Exploration and Production of the group (2007-2015).

Since 1st of July 2015, he is Executive Vice President of ENGIE. He is currently in charge of special projects particularly in the field of renewable gases and external representation.

Didier Holleaux is the President of Eurogas since June 2021.


Konstantinos Skrekas holds a Degree in Civil Engineering from the Aristotle University of Thessaloniki (Civil Engineering Department, Faculty of Technology), and an M.Sc. in Construction Management from the University of Birmingham, UK. After completing his studies, he worked in the Fast Moving Consumer Goods sector in managerial positions. He is the co-founder of a company operating in the FMCG sector and held the position of CEO for 15 years.

In the general election of 6 May 2012 he was elected Member of the Greek Parliament (MP) for the Constituency of Trikala with the New Democracy Party. He was re-elected on 17th June of the same year.

On the 25th of January 2015 he was elected Member of the Greek Parliament (MP), receiving the largest number of electoral votes among candidates from all political parties, in the Constituency of Trikala. He was re-elected in the elections on 20th September of the same year. In the general elections on 7th July 2019 he was elected Member of the Greek Parliament for the Constituency of Trikala.
During his terms of office in the Hellenic Parliament he has been a member of the Standing Committee on Economic Affairs, the Standing Committee on Production and Trade, the Special Permanent Committee on Research and Technology and the Special Permanent Committee on Environmental Protection.

He was also Shadow Minister for the Environment and Energy Sector for the New Democracy Party from January 2016 – June 2019. He was appointed Minister of Development and Competitiveness from October 2014 until February 2015.

On 9th July 2019 he was appointed Deputy Minister of Rural Development and Food, being specifically responsible for the Common Agriculture Policy (CAP). On 5th January 2021 he was appointed Minister of the Environment and Energy.



Mr. Konstantinos Xifaras is the Chief Executive Officer of DEPA COMMERCIAL S.A. He is a graduate of the Department of Production Engineering and Management of the Technical University of Crete (TUC) and is specialized in Operational Research. Mr. Xifaras has extended experience as a researcher and business consultant and has been appointed in leadership positions, in both private and public sector organizations. He has served as Special Advisor to the Leadership of the Ministries of Development (2005-2006) and the Environment, Energy and Climate Change (2013). He has also held the position of Director of the Office of the Deputy Minister of Development, Competitiveness, Infrastructure, Transport and Networks, responsible for the management of the implementation and funds absorption of the NSRF 2007-2013, as well as, the design of the new Programming Period 2014-2020. Later that year, he was appointed CEO of the Hellenic Gas Transmission System Operator, DESFA SA.

In September 2019, he was appointed Chief Executive Officer of DEPA at a crucial turning point for the company. Under his leadership, the corporate transformation in 3 distinct companies (DEPA Commercial, DEPA International Projects, DEPA Infrastructure) was successfully completed and DEPA Commercial was upgraded to an integrated energy company with competitive products. At the same time, Mr. Xifaras has been leading the effort to expand the company’s activities using state-of-the-art smart technologies (Small Scale LNG, Remote CNG), spreading the use of CNG as a vehicle fuel through FISIKON refueling stations network, and promoting natural gas as a marine fuel with innovative development programs such as Poseidon Med II, BlueHUBS and SUPERGREEN.  His vision includes the company’s penetration in RES and other reliable alternative energy sources markets, such as hydrogen and biomethane.

Today, Mr. Xifaras is the Vice Chairman of the Technical Chamber of Greece, the Secretary of the Greek National Committee in the World Energy Council (WEC), as well as the Greek National Representative in the WEC. He is one of the 18 Co-Chairs of the European Clean Hydrogen Alliance and member of the Governing Board of Eurogas.



Maria Spyraki is awarded MEP of the year 2019 for Industry, Research, and Innovation. She is now serving her second mandate in the European Parliament with of Nea Demokratia party – European People’s Party (EPP), as a member of the Committees Industry, Research, and Energy (ITRE) and Environment, Public Health and Food Safety (ENVI). She is also co-chair of the Intergroup on Climate change, biodiversity and sustainable development and Vice-Chair at Delegation for relations with the People’s Republic of China.
During this mandate she has been the rapporteur on the Motion for Resolution on Chemicals Strategy for Sustainability. She was also the rapporteur of the report “Maximizing the energy efficiency of buildings” at ENVI Committee and the shadow rapporteur on behalf of EPP on “Energy Storage” report and on the Public Loan Facility in the Just Transition Mechanism at ITRE Committee. In addition, she is the Shadow Rapporteur on behalf of the EPP in ITRE on the Proposal for a Regulation concerning batteries and waste batteries, and she is the Rapporteur in the ENVI Committee on behalf of the European Parliament on the Methane Strategy file.
Maria Spyraki’s first degree is in Chemistry at the Aristotle University of Thessaloniki. She has an MSc in Energy Law, Business, Regulation and Policy from International Hellenic University, Greece. She has worked for 22 years as a journalist, until 2014, when she was elected MEP.
Moreover, she has attended three summer schools at the College of Europe, Bruge (Energy Union Summer School, Negotiations in practice and Intensive Seminar of the EU). Also, she has graduated from two e-learning programs from the National and Kapodistrian University of Athens on Crisis Management and the Financial Crisis of 2010.


Maria Rita Galli is the CEO of DESFA (Hellenic Gas Transmission System Operator). Until recently she held the position of the Executive Vice President Business Development & Asset Management at Snam S.p.A, a leading global energy infrastructure company and was the Chairman of the SENFLUGA Energy Holdings S.A., a consortium controlling 66% of DESFA’s share capital.
Ms. Galli started her career at Eni in 1997, as a graduate in nuclear engineering from the Milan Polytechnic University. At Eni, she went through various roles within the International Business Development Department, joined relevant international projects and was involved in M&A activities. As a member of Eni’s Board of Directors, she also oversaw the operations of some of the Group’s companies abroad (Galp, Distrigas, eni Gas&Power Trading BV, eni Gas&Power France, GVS GmbH, etc.)
Since 2006, she has been in charge of the International Business Development unit and, from January 2010, she has been in charge of the International Business Development and Assets Management department. In October 2016, she joined Snam as the Head of Business Development and International Asset Management.


Dr. Athanasios Dagoumas is an Associate Professor in Energy and Resource Economics and Director of the Energy and Environmental Policy laboratory at the University of Piraeus. He holds a Diploma in Electrical and Computer Engineering from the Aristotle University in Thessaloniki, where he elaborated his PhD in Energy Economics. He is Member of the Board of the Cambridge Trust for New Thinking in Economics. He has more than 15 years of work and research experience in energy related issues, including working as a Senior Researcher at the University of Cambridge and as a Senior Energy Analyst at the Transmission System Operator and at the Electricity Market Operator in Greece. Moreover he was enrolled as a Special Advisor to the Ministry of Environment, Energy and Climate Change in Greece. His extensive experience builds his capacity for an in-depth understanding of multidisciplinary aspects of the energy sector: economic, engineering, environmental and policy. He is keen on developing models for the energy system, the economic-energy-environment (E3) systems and the real energy markets. He has been President to the Regulatory Authority for Energy since July 2020.


Boyana Achovski is the Secretary-General of Gas Infrastructure Europe (GIE), a role she has held since September 2016. GIE is the European association of gas transmission, gas storage, and LNG regasification terminal operators. Boyana led the Analysis and International Operations Division in Bulgartransgaz, later joining GIE in 2012 as the first secondment of the Bulgarian gas infrastructure operator to the European association. She chaired the GasNaturally Steering Committee twice in 2017 and 2019. Boyana started her European affairs career in the European Parliament in Brussels. She has graduated in International Economic Affairs, specialised in International Finance, and holds a Master’s degree in Finance and in Management of International Associations from the Solvay Brussels School. Boyana has also obtained a certificate in Women’s Leadership from the University of Oxford and is involved in initiatives related to career development, women empowerment, and gender equality in the energy sector.



Born in 1963 in Athens, George Polychroniou graduated from “Lycee Leonin” Franco-Hellenic high school, Nea Smyrni in 1981 and then earned a degree in Chemical Engineering from the National Technical University of Athens (NTUA) in 1986. He completed his studies at the Federal Polytechnic School of Lausanne (EPFL) and obtained his Master’s of Science degree in Energy Systems with a specialisation in Economics in 1994. After beginning his professional career in the private sector, he joined the then newly established DEPA in the beginning of 1989. After having successfully served in various capacities and roles within the commercial arm of DEPA, he was appointed General Manager of the Commercial Branch in 2004, General Manager of Commercial, Financial and Administration in 2005, Chief Operating Officer in 2007, Head of Strategy and Business Development in 2010 and Executive Director of Strategy, Business Development, Administration & IT in 2016.

Since 2020 he has been Executive Director of Strategy & Business Development, with responsibilities in strategy, corporate development and regulatory affairs. Since December 2014 he has been Corporate Secretary of DEPA.


Ioannis Moraitis is currently holding the position of Project Manager for Hydrogen and Biomethane at DEPA Commercial (Greece).

He previously worked for Hydrogen Europe, the European Hydrogen and Fuel Cell Association. He was also active in the field of developing and managing various cross European projects.




After studies focused on economics, finance and international relations Felicia Mester went on to specialise in regulation and energy. After working for the non-banking financial regulator of Moldova on the MD-EU Association Agenda, she joined the energy sector via her position with the Global Solar Council where she worked on renewable energy policy files and communication strategy. Following this, she joined Eurogas where she focused on EU internal gas market regulation, taxation and hydrogen technologies.
Felicia Mester joined Hydrogen Europe in February 2021 responsible for carbon market reform, hydrogen regulatory framework and renewable energy policy files.



Nikolaos Satras leads the natural gas business unit of Motor Oil Hellas. He has 28 years of experience in the oil and gas sector, particularly in oil refining, natural gas & LNG supply, and new project development. Apart from Greece he has also worked in the USA and Italy with Chevron and Foster Wheeler respectively.
In the natural gas field he has been involved since 2004 from the initial connection agreement of Motor Oil Hellas Refinery with the natural gas grid and followed all the steps of the liberalization of the market since the emblematic import of the 1st private LNG cargo in 2010. Currently, he is developing a strategic project for the security of supply and the competitiveness of the natural gas market in Greece and South East Europe, namely “DIORΙGA GAS” a Floating Storage & Regasification Unit. Msc Chemical Engineer (Aristotle University of Thessaloniki Greece), MBA Lancaster University, UK.


Eva Spilioti is the CFO of Gastrade joining the company in 2017. Prior to joining Gastrade, she worked as a Manager in the Consulting Team of PwC being responsible for the projects in the power and natural gas sectors in Greece. She holds a BSc in Economics from Athens University of Economics and Business and a MSc in Management and Strategy from London School of Economics.





Boyana Achovski, Secretary General, Gas Infrastructure Europe

Prof. Athanasios Dagoumas, President, Greek Regulatory Authority for Energy


Photos from the event are available to view here

The recording of the conference is available to view below