Corneel Coens is currently working as a lead statistician at the EORTC Headquarters (Brussels, Belgium). Corneel co-leads Work Package 2. As part of his tasks for the EORTC Quality of Life Department, he is involved in various aspects of Quality of Life in many oncological clinical trials ranging from instrument validation to design, analysis and reporting of QoL endpoints. He is one of the lead investigators in the international SISAQOL initiative. He is also the designated study statistician for the EORTC Gynaecological Cancer Group since 2001. He is a regular contributor for various EORTC educational courses such as “Clinical Trial Statistics for Non-Statisticians” and has been course director for the Joint FECS/AACR/ASCO Workshop “Methods in Clinical Cancer Research”.