Lucian Hotoiu is a Research Scientist at IBA focusing on modeling and software tools for proton therapy. He has an electrical engineering background and holds a Ph.D. in computational physical chemistry from the Vrije Universiteit Brussel (VUB – Belgium). Lucian works on FLASH using protons, including radiobiological modeling, treatment planning, designing conformal energy filters, and 3D printing them. Lucian is also a co-administrator of the open-source software tools for Proton Therapy OpenReggui (https://openreggui.org/) and MIROpt TPS for FLASH.