Angelos K. Koutras, M.D., Ph.D., is a Professor and consultant medical oncologist in the Division of Medical Oncology of the University Hospital of Patras, Greece. He is also a senior research fellow at the Laboratory of Clinical Oncology of the University Hospital of Patras, Greece. His main clinical interests include breast, colorectal, and lung cancer. His research interests focus on human epidermal growth factor receptor signaling pathways in breast cancer, as well as hormonal signaling.