Nima Rezaei received his medical degree from Tehran University of Medical Sciences and subsequently obtained an MSc and a PhD from the University of Sheffield. He also spent a short-term fellowship of Pediatric Clinical Immunology and Bone Marrow Transplantation in the Newcastle General Hospital. Since 2010, Dr. Rezaei has worked at the Department of Immunology, School of Medicine, Tehran University of Medical Sciences; he is now Full Professor and Vice Dean of International Affairs, School of Medicine, Tehran University of Medical Sciences, and the co-founder and Deputy President of the Research Center for Immunodeficiencies. He is also founding President of Universal Scientific Education and Research Network (USERN). Dr. Rezaei has already been the Director of more than 50 research projects and has designed and participated in several international collaborative projects. Dr. Rezaei is an editorial assistant or board member for more than 30 international journals. He has edited more than 10 international books, has presented more than 400 lectures/posters in congresses/meetings, and has published more than 650 articles in the international scientific journals.