European Cancer Organisation

ECCO Structure


The Council shall be the highest governing body of the Association and shall consist of a main representative and one alternate representative designated by each Member organisation.

The Council meets formally twice a year, serving as the official general assembly of its members’ representatives.




Breast International Group (BIG)
European Association for Cancer Research (EACR)  
European Association of Nuclear Medicine (EANM)
European Association of Neuro-Oncology (EANO)
European Association of Urology (EAU)
Association of European Cancer Leagues (ECL)
European Oncology Nursing Society (EONS)
European Organisation for Research and Treatment of Cancer (EORTC)
European Society of Coloproctology (ESCP)
European Society of Gynaecological Oncology (ESGO)
European Society for Medical Oncology (ESMO)
European School of Oncology (ESO)
European Society of Oncology Pharmacy (ESOP)
European Society of Pathology (ESP)
European Society of Surgical Oncology (ESSO)
European SocieTy for Therapeutic Radiology and Oncology (ESTRO)  
European Society of Skin Cancer Prevention (EUROSKIN)
European Society of Breast Cancer Specialists (EUSOMA)
Flims Alumni Club (FAC)
Organisation of European Cancer Institutes (OECI)
International Society of Geriatric Oncology (SIOG)
European Society for Paediatric Oncology (SIOPE)

Board of Directors

ECCO is governed by a Board composed of 15 Directors elected every two years by the Council, each member society having the right to nominate one candidate for these elections.

The President, the President-Elect (elected by the Council), the Past-President and the Chair of the Patient Advisory Committee are counted in the 15 seats.

Executive Committee

The Executive Committee is composed of the President, President-elect, Past-President and Treasurer as well as any other Board members appointed for this purpose by the Board of Directors. 

The Chief Executive Officer is an ex officio, non-voting, member of the Executive Committee.


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