Dr. Wiernik is a specialist trained in Internal Medicine, Hematology, Medical Oncology and Bone Marrow Transplantation. He studied medicine at UCIMED Medical School (Costa Rica), carried out his training in internal medicine at the Hennepin Healthcare System (Minnesota, USA), and his specialization in Hematology, Oncology and Bone Marrow Transplants at the University of Minnesota. During his training, he completed internships and fellowships at Harvard University (USA), the Karolinska Cancer Center (Sweden), the University of Turin (Italy), and the Peter MacCallum Cancer Center (Australia).
