Executive
Presidency
Catherine LAVERRIÈRE

President ad interim
[2025]
Michel BABOULAZ

Vice-President
[2026]
Representative
of ESO Members
Erik ALLAERT

Representative
[2025]
Treasury
Budget, Expenses, Membership fees
Monique HÄUSERMANN

Treasurer
[2025]
Michel BABOULAZ

Assistant Treasurer
[2026]
Secretariat
General Organization, Meetings, Elections, Members list
Philippe BLOCH

Secretary
[2025]
Frédéric HEMMER

Assistant
[2026]
Task Force – Pensions
Pension Fund Governing Board (PFGB)
Philippe CHARPENTIER

Member
[2025]
Commission on Pensions *
Michel BABOULAZ

Representative
[2026]
Philippe CHARPENTIER

Representative
[2025]
Enrico CHIAVERI
![Enrico CHIAVERI
President
[2024]](https://gac-epa.org/wp-content/uploads/2023/03/CHIAVERI-Enrico-140x150.png)
Representative
[2026]
Claude GENIER

Representative
[2025]
Frédéric HEMMER

Representative
[2026]
Jean-Pol MATHEYS

Representative
[2026]
Irene SEIS

Representative
[2026]
Michel VITASSE

Representative
[2026]
Working Group
on Pension Guarantee
Sylvain WEISZ

Delegate
coopted
Jean-Pol MATHEYS

Assistant
[2026]
Task Force – Health
CERN Health Insurance Scheme – CHIS Board
Claude GENIER

Delegate
[2025]
Morna ROBILLARD

Delegate
[2026]
Claude GENIER

Commission des Litiges de l’Assurance Maladie
[2025]
Commission on Social Protection *
Marcel AYMON

Representative
[2026]
Doris FORKEL-WIRTH

Representative
[2026]
Claude GENIER

Representative
[2025]
Morna ROBILLARD

Representative
[2026]
ESO Health Insurance Scheme
EHIS Board
Martin CULLUM

Representative
(not on committee)
Erik ALLAERT

Representative
[2025]
Task Force – Assistance to Pensioners
Information Sessions
First Help
Jean-François MICHAUD

Representative
[2025]
Susan LEECH O’NEALE

Representative
[2026]
Yves SILLANOLI

Representative
[2026]
Mutual Aid Fund
Irene SEIS

Delegate
[2026]
Doris FORKEL-WIRTH

Replacement in case of absence
[2026]
Collective “Securité Sociale” (C2S)
Jean-François MICHAUD

Person in charge
[2025]
Philippe BLOCH

Adviser
[2025]
Jean-Claude GOUACHE

Adviser
(not on committee)
Task Force – CERN Staff Association
Staff Council
The GAC-EPA has seven delegates to the Staff Council
Marcel AYMON

Philippe CHARPENTIER

Claude GENIER

Jean-Pol MATHEYS

Jean-François MICHAUD

Yves SILLANOLI

Michel VITASSE

Commission on Legal Matters *
Jean-Pol MATHEYS

Representative
[2026]
Claude GENIER

Assistant
[2025]
Commission on Specific Cases *
Michel VITASSE

Representative
[2026]
Commission on Health and Safety *
Doris FORKEL-WIRTH

Representative
[2026]
Relations with Staff Association Executive *
Michel VITASSE

Representative
[2026]
Communication
Social and Cultural activities
Enrico CHIAVERI

Person in charge
[2026]
Monique HÄUSERMANN

Assistant
[2025]
Bulletin
Marcel AYMON

Chief Editor
[2026]
Communication
and Response to mail
Philippe BLOCH

[2025]
Catherine LAVERRIÈRE

[2025]
Internet Presence
Reinoud MARTENS

Coopted
External Relations
Jean-Pol MATHEYS

[2026]
Notes
1) A mandate ends on the last day of the year indicated between square brackets […]
2) * the Commissions mentioned above are those put in place by the CERN Staff Association.