Dr. Errol Prens earned his MD degree in 1981 at the University of Groningen and became a certified Dermatologist in 1985 after receiving his training in the Department of Dermatology at Erasmus University in Rotterdam. He joined the Department of Immunology at Erasmus University Medical Center (Erasmus MC) for research on skin inflammation, resulting in his 1992 thesis “Immunopathophysiology of psoriasis; studies on accessory cells, cytokines and their receptors,” Erasmus University Rotterdam. Dr. Prens was certified as an immunologist in 1993 (SMWBO). He combined his position as a postdoctoral fellow and leader of the Experimental Immunodermatology group in the Department of Immunology at Erasmus MC with his clinical tasks as an all-around dermatologist in Ziekenhuis Walcheren in Vlissingen. He is a reviewer for several international dermatological and immunological journals, co-founder and Board member of the Dutch Society for Experimental Dermatology, councilor of the International Psoriasis Council, and member of the scientific committee of the international congress, “Psoriasis from Gene to Clinic” in London.