Jean-Francois (Jeff) Geschwind, M.D., has been appointed chair of the Department of Diagnostic Radiology at the School of Medicine, and chief of diagnostic radiology at Yale-New Haven Hospital. He comes to Yale from the Johns Hopkins University School of Medicine, where he served as professor of radiology, surgery, and oncology, and vice chair of the Department of Radiology.

His research focuses on cancer therapeutics that block tumor glycolysis in cancer cells, and, in 2009, he founded a company based on this technology. Geschwind and colleagues have also improved therapies for patients with liver cancer, in particular such image-guided therapies as chemoembolization and radioembolization. He is recognized as a key opinion leader in the field of liver cancer and has received numerous foundation, industry, and federal grants for his research.