Peter D. Siersema, MD, PhD is Head of the Endoscopy Center and Professor of Endoscopic Gastrointestinal Oncology at the Radboud university medical center, Nijmegen, The Netherlands. Dr. Siersema is member of the Governing Board of the European Society for Gastrointestinal Endoscopy (ESGE) and is Editor-in-Chief of the journal Endoscopy (IF 2020: 10.093). He has authored more than 725 peer-reviewed papers and chapters in books.