Meet
ATHEXCLEAR
Learn about the purpose, structure, and financial results of the Athens Exchange Group’s subsidiary Clearing Company ATHEXCLEAR.

With nearly 20 years of operation, ATHEXCLEAR is a 100% subsidiary of Hellenic Exchanges-Athens Stock Exchange S.A. and provides clearing services for a range of products traded on the Athens Stock Exchange and operates as a Central Counterparty under Regulation (EU) 648/2012 (EMIR). Additionally, as a system operator, it conducts finalization, settlement, or clearing activities for transactions in financial instruments in Greece and abroad as a System administrator in accordance with the provisions of article 72 of Law 3606/2007 (Government Gazette A/195/17.8.2007), as it applies).
The General Electronic Commercial Registry (GEMI) Number of the company is 6410501000 (former Companies Register No 58973/01/Β/05/309). You can find more information published by the company on GEMI's website here.
Organizational Structure
Organizational Chart | Download PDF![]() |
Board of Directors
FULL NAME | POSITION |
George Handjinicolaou | Chairman, Independent Non-executive Member |
Thomas Zeeb | Vice Chairman, Independent Non-executive Member |
Yianos Kontopoulos | Chief Executive Officer (CEO), Executive Member |
Giorgos Doukidis | Independent Non-executive Member |
Polyxeni Kazoli | Independent Non-executive Member |
Theano Karpodini | Independent Non-executive Member |
John Costopoulos | Independent Non-executive Member |
Management Team
FULL NAME | POSITION |
Yianos Kontopoulos | Chief Executive Officer (CEO) |
Nick Koskoletos | Chief Financial & Issuers Relations Officer (CFO) |
Nikos Porfyris | Chief Operating Officer (COO) |
Julia Doukaki | Chief Officer, Chief of Staff |
Theodoros Zarros | Chief Technology Officer (CTO) |
Georgia Mourla | Chief Internal Audit Officer |
Lillian Georgopoulou | Deputy Chief Issuers Relations Officer |
Alexandros Karagiannidis | Group Chief Risk Officer |
Kostas Karanassios | Deputy Chief Post-Trading Services & Issuers Support Officer |
Stavros Cosmetatos | Deputy Chief Director of Human Resources & Administrative Support |
Anastasia Bikou | Deputy Chief Sales & Business Development Officer |
Smaragda Rigakou | General Counsel, Chief Legal, Regulatory & Compliance Officer |
Useful Files
TITLE | Download |
Articles of Association | Download PDF![]() |
Regulation on the Clearing of Transactions on Derivatives | Download PDF![]() |
Rulebook for Clearing Transactions in Book - Entry Securities | Download PDF![]() |