Professor Teun van Gelder was appointed as Professor in Clinical Pharmacology, at the Erasmus Medical Center in Rotterdam, the Netherlands in 2011. He was also trained in internal medicine and nephrology at this center. In 1996, he finished his thesis on the use of anti interleukin-2 receptor monoclonal antibodies in solid organ transplantation. As a post-doctoral scientist, he worked in the Transplantation Immunology Laboratory of Dr Randall E. Morris at Stanford University for two years. In 2000 he returned to The Netherlands where is also obtained a degree in clinical pharmacology. Since then he is working in Rotterdam, where he combines patient care, teaching and research. His current research at the Erasmus Medical Center is focused on clinical pharmacology, pharmacogenetics and therapeutic drug monitoring. Projects are ongoing in nephrology, oncology and hepatology. Formerly, he was the secretary of the Dutch Transplantation Society (2009-2015). He is in the Editorial Board of several scientific journals, including American Journal of Transplantation, Therapeutic Drug Monitoring and Transplantation.