Diploma thesis in physics at Heidelberg University Doctoral thesis in physics at German Cancer Research Center (DKFZ) Postgraduate studies in Medical Physics at Kaiserslautern University Medical Physicist in Heidelberg (Postdoc), Heilbronn (General Hospital), Berlin (Charité) and Düsseldorf Senior Physicist at University Hospital Düsseldorf (UKD), Dept. of Radiation Therapy and Oncology Senior Medical Physicist