<a href="/doctors/prof-dr-med-kirsten-schmieder">Prof. Dr. med. Kirsten Schmieder</a> - 36 years, and <a href="/doctors/prof-dr-med-ramon-martinez-olivera-mhba">Prof. Dr. med. Ramon Martinez-Olivera, MHBA</a> - 31 years are neurosurgeons in Bochum with a wealth of experience.