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About

Christoph Bert is a leading figure in the physics of particle therapy, specializing in the formidable challenge of treating moving tumors with scanned ion beams. His research focuses on motion mitigation, real-time tumor tracking, and dosimetric verification for precision radiation oncology. Bert’s seminal work includes the development of a programmable, breathing thorax phantom that independently reproduces 6D tumor motion, a critical tool for measuring the interplay effects that cause dose heterogeneities during irradiation. This foundational study, cited over 58 times, enabled systematic testing of motion compensation strategies. He further advanced the field by pioneering the integration of ultrasound imaging for real-time motion detection in ion beam tracking, demonstrating millimeter-precision tumor localization without ionizing radiation. Bert also experimentally validated correlation models that estimate internal tumor position from external surrogate motion, a key step toward practical beam tracking. His integration of optical tracking systems into treatment control has paved the way for clinical organ motion compensation. With a portfolio of highly cited, methodologically rigorous work, Christoph Bert has made indispensable contributions to making scanned ion therapy safe and effective for moving targets.