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 of Staff |
| Theodoros Zarros | Chief Technology Officer (CTO) |
| Georgia Mourla | Chief Internal Audit Officer (CIAO) |
| Lillian Georgopoulou | Chief Issuers Relations Officer, Deputy Chief Officer |
| Alexandros Karagiannidis | Group Chief Risk Officer (GCRO), Deputy Chief Officer |
| Kostas Karanassios | Chief Post-Trading Services & Issuers Support Officer, Deputy Chief Officer |
| Stavros Cosmetatos | Chief Human Resources & Administrative Support Officer, Deputy Chief Officer |
| Anastasia Bikou | Chief Sales & Business Development Officer, Deputy Chief Officer |
| Smaragda Rigakou | General Counsel, Chief Legal, Regulatory & Compliance Officer, Deputy Chief Officer |
| Katerina Karampampa | Chief Communication & Marketing Officer, Head of Unit |
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![]() |
