Dr. Hahn received her PhD and did her post-doctoral fellowship and training at the Johns Hopkins University School of Medicine. She is currently the director of the Albany Medical College Transplantation Immunology Laboratory. She is the President of the American Society for Histocompatibility and Immunogenetics, immediate Past-President of the American Board of Histocompatibility and Immunogenetics, and Histocompatibility Representative to the OPTN/UNOS Board of Directors.