Management Team

George Mathios

Vice President of the BoD and Managing Director

George Mathios became the managing director (CEO) and vice president of ESA’s board of directors in mid-2019. He has wide experience of company management, having served as CEO of DIGEA SA and board member of the Hellenic Corporation of Assets and Participations (HCAP). He has also worked as a high-level executive for HSBC Bank Plc, the Coca-Cola Company, Multichoice Hellas, and Procter and Gamble. He holds a PhD from Athens University of Economics and Business and an MBA from Manchester Business School. He is also a mechanical engineer, holding and MSc from the University of Manchester and an MSc from the University of Newcastle upon Tyne in marine engineering and shipping.

Nasos Kalamatianos

Chief Financial Officer

Nasos Kalamatianos joined ESA in early 2019. Prior to his current role, Nasos served as CFO at Amarla Retail Group, the largest European Victoria’s Secret (LBrands) licensee at that time, with operations in 11 countries. Previously, Nasos worked for 8 years at Athens International Airport, Corporate Finance department. During that time, he cooperated on a per project basis with several advisors such as McKinsey, Credit Suisse, AT Kearney, Deloitte, PWC and others. He holds a BSc Financial and Banking Management from University of Piraeus along with an MSc Management from Imperial College London.

Christos Kontos

Chief Operations Officer

Christos Kontos has been general operations director at ESA since 2016 and has been in the management team since 2011. He is an electrical engineer and holds an MBA from Nottingham Trent University. He is a specialist in matters of electronic security and automation and has 20 years’ experience in management positions in large Greek and international companies.

Maria Michaili

Chief Peoples’ Officer

Maria Michaili holds a degree from the Department of Mass Media and Communications of Athens University and is a graduate of the National School of Public Administration. She holds a post-graduate degree in human resources management from Athens University of Economics and Business and a post-graduate degree in security and risk management from the University of Leicester. She is a certified global career development facilitator and a master NLP practitioner. She joined ESA in 2013 and became human resources manager and member of the management team in 2015. She has previously served as a human resources executive in the public sector and in security firms.

Konstantinos Pazoulis

Chief Commercial Officer

Konstantinos Pazoulis joined ESA in 2013 and has been part of the management team initially as director of operations/manned services and as general commercial director since 2019. He is a graduate of the British Hellenic College and studied IT at the Open University of Patras. During his professional career, he has worked in the sales divisions of Greek and multinational companies as head of sales.

Διεύθυνση Τμημάτων

Panagiotis Gavathas

Aviation Security Operations Director

Nektarios Mouzis

Operational Director of Manned Services

Maria Tsafa

Finance Director

Andreas Kolouas

Technology Director

Dimitris Papadatos

Critical Infrastructures Operations Director

Kyriakos Rigas

Technical Director

Katerina Zeriti

Marketing Manager

Board of Directors


The composition of the board of directors and representation of the company is as follows:

Natural Persons

FOTIOS STAVROS PAPAGEORGIOU President Non-Executive Member

GEORGIOS ALEXANDROS MATHIOS Vice President and Chief Executive Officer





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