ZweiChirurgen were active as speakers and moderators at this year’s annual congress of the Swiss College of Surgeons. Around 700 surgeons from many specialties from all over Switzerland came to the SwissTech Convention Center in Lausanne to share their expertise. Prof. Dr. Kirchhoff, Dr. Nowakowski and PD Dr. Hoffmann gave lectures on hernia surgery and chaired the session of the Swiss Hernia Society SAHC.