Pieter(-Paul) van Thiel works as the lead physician at Healthcare Hub and vaccinatiecentrum.nl, and as an internist at some other institutions.

He worked for five years as a tropical doctor in Malawi. After that, he trained as an internist and infectious-disease specialist at the Academic Medical Center (AMC) in Amsterdam. He then became a staff member in the Department of Infectious Diseases and Tropical Medicine at the AMC, and also served as a tropical diseases consultant for the Ministry of Defence. He currently holds a honorary position at the AMC, including roles as consultant for the Center of Tropical and Travel Medicine, mentor to medical students, and member of the medical examination board (Faculty of Medicine, University of Amsterdam). He teaches in various courses of tropical medicine and travel medicine in the Netherlands. In addition, he is chair of the Quality Council of the LCR (National Coordination Centre for Traveller’s Health Advice), a member of the council for the training of tropical doctors and of the Expert Committee on Military Immunizations.

A few weeks each year, he returns to Malawi to work as a supervising internist and lecturer at the University of Malawi’s teaching hospital in Blantyre. He obtained his PhD in the field of leishmaniasis.