Madeline Pe, PhD, is a Specialist in Quality of Life at the EORTC and co-leads Work Package 1. She has trained in research methodology and statistics for psychological and behavioural outcomes. Madeline has over 8 years of experience developing questionnaires, setting up studies and analysing patient/participant-reported data in different research fields, including education and mental health. Her various research experiences arm her with a broad knowledge of research methodologies and approaches that is useful in advancing the methodological practices in quality of life research. She is one of the scientific leads for the SISAQOL Consortium and is lead author in several SISAQOL publications. Additionally, she is involved in coordinating, and providing scientific and methodological support for various quality of life research activities in EORTC.