Michael Friedrich is a senior gynecological oncologist and oncological surgeon at Helios Klinikum Krefeld, Germany, and specializes in treating women with breast cancer and gynecological malignancies. He is a certified breast surgeon and has an academic appointment as an Associate Professor at the University of Schleswig-Holstein. He has received several awards for his scientific work, which focuses on vitamin D metabolism in gynecologic malignancies and the interaction of DNA-mismatch repair and resistance to chemotherapy. Further research interests are interstitial brachytherapy for recurrences of cervical cancer, the use of innovative therapies in gynecological malignancies, the sentinel lymph node technique in gynecological malignancies, especially in vulvar cancer, and the use of intraoperative intraperitoneal chemotherapy (HIPEC) in ovarian cancer. He is a member of several prestigious editorial and scientific boards and a member of Germany’s committees for S3-guidelines for cervical, endometrial, vulvar and breast cancer. He is also a member of the Ethics Committee of the Nordrhein-Westphalen Medical Chamber, of the Board of directors of the BLFG (Bundesarbeitsgemeinschaft leitender Frauenärzte), of the Board of the German Society for Gynecology responsible for developing the continuous medical education curriculum in gynecology, and of the Society of Pelvic Surgeons.