Raphaël Moeckli completed his MSc degree in Ecole Polytechnique Fédérale de Lausanne and his PhD in medical imaging at the University of Lausanne in 2001. He is certified Swiss medical physicists since 1999, head of the radiation therapy group in Institute of Radiation Physics and head physicist in the Radio-Oncology Department in CHUV Lausanne since 2001. He is associate professor in Lausanne University since 2021. His main fields of research are FLASH therapy, tomotherapy and multicriteria optimisation. He is and has been director and experts for various national and international PhD thesis juries. He has published more than 80 papers in peer-reviewed journal. He is past president of the Swiss Society of Radiobiology and Medical Physics and he has been active in different working groups having issued Swiss recommendations about good practice in radiation therapy. He has been member of different scientific committees of ESTRO meetings as well as other Swiss and international meetings.