Charlotte Demoor-Goldschmidt is a French pediatric radiotherapy oncologist involved in long-term follow-up care and research. She is particularly involved in studies of second malignant neoplasms and in the development of various digital tools that could support the development of long-term follow-up (LTFU) care, and she has developed several dedicated consultation clinics in multiple cities in France. She is involved in multiple national cohort studies, including Pedia-RT (radiotherapy treatments of all children in France), FCCSS (Unit Inserm 1018), and LEA (leukemia), and since 2013 has been the coordinator of the French program DeNaCaPST, which promotes breast and thyroid cancer screening for survivors of cancer in childhood and young adulthood. Charlotte is also closely involved with the care of former patients. Since June 2020, she has been a member of the scientific committee of the association Les Aguerris, and she is regularly involved with the association On Est Là. She has been the co-chairwoman of the long term follow-up committee of the SFCE (Société Française des Cancers de l’Enfant) since 2018 and a member of PANCARE since 2015; she is also a current PANCARE board member. Charlotte participates in several committees for the harmonization of guidelines.