Jacek Jassem, MD, PhD, is Professor of Clinical Oncology and Radiotherapy and Head of the Department of Oncology and Radiotherapy at the Medical University of Gdansk, Poland. He is an author of over 700 full articles, books and book chapters. He is a recipient of several Polish and international scientific awards including Polish Prime Minister’s scientific award, President of Vienna Award, Hewelisz Award and Cullen Award. Member of Academia Europea, European Academy of Cancer Sciences and Polish Academy of Art And Science. Laureate of Foundation „Teraz Polska” Outstanding Pole title. Past chairman of the EORTC Breast Cancer Group, past chairman of Polish Oncological Society, chairman of the Central and East European Oncology Group (CEEOG) and board member of Polish Cancer League. Author of the current Polish anti-tobacco legislation and the coordinator of the Polish Strategy for Cancer Control 2015 – 2024.