Dr. Vrielink (1958) was educated at the University of Amsterdam in Medicine and wrote his thesis (1996) on the “Laboratory Diagnosis of Viruses Transmitted by Blood Transfusion”. He has worked since 1985 as transfusion and apheresis medicine specialist at Sanquin Blood Supply Foundation, the national blood transfusion service in the Netherlands. He has published many articles and chapters in internationally recognized journals and books on various subjects. Hans Vrielink initiated (inter)national courses in the field of apheresis for physicians and nurses, since 2013 has trained almost 1,000 apheresis nurses and physicians.