Dr. Singal is an expert in Hepatocellular Carcinoma, particularly in early tumor detection and screening process failures. He serves as Clinical Chief of Hepatology and Medical Director of the Liver Tumor Program at UT Southwestern Medical Center. Dr. Singal is leading several federal and state-funded projects to evaluate interventions to improve the effectiveness of early tumor detection efforts among patients with cirrhosis. He has published several book chapters on HCC and over 100 peer-reviewed publications.