He received his undergraduate degree at Johns Hopkins University and his medical degree at the University of Maryland. He then completed his internship and residency in Internal Medicine at the University of Pennsylvania and his fellowship training in Hematology and Oncology at the University of Southern California before joining the faculty of Georgetown University. Dr. Liu specializes in the treatment of lung cancer and leads an active research program at Georgetown University focused on rational drug development and the study of novel small molecule and immunotherapy treatment strategies. In addition to leading national and global clinical trials for the treatment of lung cancer, Dr. Liu also serves as chief editor for the medical journal Frontiers in Thoracic Oncology.