Dr. Bittermann’s research interests center on the science that underlies liver transplantation practices. She has multiple publications on the impact of organ allocation policies on transplant center behaviors and recipient outcomes.  She has also investigated center-level variability in pre- and post-transplant care, as well as pre-operative predictors of morbidity and mortality after liver transplantation. The results of her work have facilitated physician decision-making in the selection of potential candidates for liver transplantation.