Matti Aapro is the chairman of Board of OncoDaily Medical Journal, member of the Board of Directors of the Cancer Center, Genolier, Switzerland and of the International Union for Cancer Control (UICC).
He is President of All.Can and President of Sharing Progress in Cancer Care (SPCC), both not-for-profit associations dedicated to education and improvement of the cancer patient pathway.
He is Executive Board Member of the International Society for Geriatric Oncology (SIOG), on the Board of the French-speaking Society for Supportive Care (AFSOS), Past-President of the European Cancer Organisation (ECO), member of the ECO International Committee, past-President of the Multinational Association for Supportive Care in Cancer (MASCC) and Scientific Advisor with the European School of Oncology (ESO).
He is member of the Board of the French-speaking Society for Supportive Care (AFSOS) and Advisor to the Japanese Association for Supportive Care in Cancer (JASCC). He served on the Boards of the European Organization for Research and Treatment of Cancer (EORTC) and the European Society of Medical Oncology (ESMO).