Dr. Willem van Tets is a gastrointestinal surgeon with the procotology clinic at Medical Centre Jan van Goyen. After his Medical studies, he spent his military duty as a physician with the Dutch Royal Navy. He completed his studies in Tilburg and Nijmegen after which he completed a specialist training in lung surgery in Den Bosch.

Dr. Van Tets has been a permanent staff surgeon at the Lucas Andreas Hospital, now the OLVG West, since 1996. He received his doctorate in 1996 with the dissertation titled: “Insufficiency of the Pelvic Floor”. Proctology is a large part of his daily practice.