Our Management Board

Serge de Cillia
Chief Executive Officer – Head of the Management Board

Serge de Cillia has a Masters degree in economic and social sciences from the University of Nancy. From 1986 to 2000, he held various positions in Retail Banking, Human Resources, Training and education, Quality management, Real estate, Internal audit, Wealth Management and International Private Banking at Banque Générale du Luxembourg.

In 2000, he joined the ABBL as a member of the Management Board. Since April 2014 he is CEO and Head of the Management Board of the ABBL, responsible for Banking Regulation and Financial Stability, Employers’ affairs, Communication, Education as well as for European and international Affairs.

He is a member of the Executive Committee of the European Banking Federation (EBF) as well as of the Employers’ Federation. He represents the ABBL in the Board and in various Committees at the Commission de Surveillance du Secteur Financier (CSSF), the Economic and Social Council of Luxembourg and the ‘Haut Comité de la place financière’.

Serge de Cillia is Chairman of the ABBL Foundation for financial education. He is Vice-President of the House of Training Foundation, Board member of the Fondation de Luxembourg, Luxembourg for Finance, the Luxembourg Deposit Guarantee Fund and the Luxembourg Pension Fund.


Catherine Bourin
Member of the Management Board

Catherine Bourin holds a Doctorate in European Law from the University of Rennes and a Masters’ degree in European Law from the University of Exeter (UK). After 3 years as legal researcher at the Laboratoire de Droit Economique (University of Luxembourg), she joined the ABBL in 1999 as legal adviser. In 2011, she became Head of Legal Affairs.

Since 2013, she is Member of the Management Board in charge of Legal and Compliance, Social Affairs as well as Human Resources, and supervises the management of ABBL Clusters.

She represents the ABBL in a number of Committees at the Luxembourg Central Bank (BCL), the Commission de Surveillance du Secteur Financier (CSSF), the European Banking Federation (EBF), the Luxembourg Federation of Employers (UEL), the Ministry of Finance, the Ministry of Justice as well as the Ministry of Economy. Furthermore, she is President of the Association pour la santé au travail dans les secteurs tertiaire et financier (ASTF). Catherine is a Board member of the Association Luxembourgeoise des Juristes de Droit Bancaire (ALJB), the Association Européenne des Juristes de Droit Bancaire (AEDBF) and LuxFLAG.

Catherine Bourin is also lecturer at the University of Luxembourg.


Camille Seillès
Secretary General – Member of the Management Board

 Camille Seillès holds a Master of Laws (LL.M.) in international business law from King’s College London and a Masters’ Degree in business taxation from the University of Paris-Dauphine. He received his initial legal training at the University of Cologne and the University of Paris I Panthéon-Sorbonne. He was admitted as avocat à la Cour in Luxembourg in 2008 (on hold since 2012). From 2006 to 2012, he was working within the tax department of a leading Luxembourg law firm.

Camille Seillès joined the ABBL in 2012 as legal and tax adviser. He is Secretary General of the ABBL since June 2017. In this capacity, he supervises the Corporate Secretariat, Accounting, and Facility Management. In addition to his management responsibilities, he is in charge of tax matters.

He is vice-Chair of the Fiscal Committee at the European Banking Federation (EBF) and a member of the Committee on Taxation and Fiscal Policy at the Business and Industry Advisory Group to the OECD (BIAC). He is also involved in the work of the International Banking Federation (IBFed) as regards taxation. In Luxembourg, Camille is on the panel of tax experts advising the Economic and Social Council and he is a member of the taxation working group of the Luxembourg Federation of Employers (UEL).

Until June 2017, Camille Seillès was a member of the European Commission’s Expert Group on automatic exchange of financial account information.