Transfusion Medicine Fellowship (Blood Banking/Transfusion Medicine Fellowship)

Joseph Griggs, DO, Transfusion Medicine Fellowship Program Director
After graduating from the University of Utah with a Bachelor of Science degree in Biology, Dr. Griggs attended medical school at Arizona College of Osteopathic Medicine. He later completed a combined Anatomic and Clinical Pathology residency program at the University of Nebraska Medical Center. After residency, Dr. Griggs completed his fellowship in Transfusion Medicine at UNM. Dr. Griggs is currently an Assistant Professor of Pathology and serves as the Associate Medical Director of UNM’s Transfusion and Apheresis services. His other areas of interest include medical education, hemoglobinopathies, and patient blood management in the setting of massive hemorrhage.

Evelyn Lockhart, MD
Evelyn Lockhart, MD is a transfusion medicine physician and clinical pathologist with a specialization in laboratory hemostasis. She has over two decades of experience in medical education, where she has dedicated her time to establishing clear communication with patients and colleagues. She recently completed a Master of Science in Biomedical Communication at the University of Toronto, focusing on visualization design and animation.

Jay S. Raval, MD
Dr. Jay Raval is a board-certified Clinical Pathologist with sub-specialty certification in Blood Banking and Transfusion Medicine. He received his medical degree from the University of North Carolina where he was a Howard Holderness Distinguished Medical Student Research Scholar. He completed a surgical internship, clinical pathology residency, and blood banking and transfusion medicine fellowship at the University of Pittsburgh and The Institute for Transfusion Medicine.

He is currently an Associate Professor at the University of New Mexico where he serves as Senior Director of Transfusion Medicine and Therapeutic Pathology. He is also an Adjunct Associate Professor in the Department of Pathology and Laboratory Medicine at the University of North Carolina. Dr. Raval has published over 200 peer-reviewed articles, abstracts, and book chapters.

He is an active member of AABB and the American Society for Apheresis; sits on the editorial boards of Transfusion, Journal of Clinical Apheresis, Transfusion and Apheresis Science, Therapeutic Apheresis and Dialysis, and Journal of Extracorporeal Technology; and is an elected member of the AABB Cellular Therapies Section Coordinating Committee. His research interests include exploring evidence-based transfusion medicine and therapeutic apheresis practices, with a focus on clinical and translational studies.

Nathan Nielsen, MD, MSc
Dr. Nathan Nielsen is a physician in the Division of Pulmonary, Critical Care, and Sleep Medicine in the Department of Internal Medicine, who is also Board Certified in Blood Banking/Transfusion Medicine. In his role with his secondary appointment as an Associate Professor in the Department of Pathology, Dr. Nielsen provides patient care and training for residents and clinical fellows in Apheresis/Transfusion Medicine. After earning a Master of Science degree at the London School of Hygiene and Tropical Medicine, Dr. Nielsen completed medical school at Duke University School of Medicine. He then completed a residency in Internal Medicine and a fellowship in Critical Care Medicine at Oregon Health & Science University, followed by a fellowship in Transfusion Medicine at Harvard Medical School. Dr. Nielsen has taught and been an invited lecturer nationally and internationally.