Madalyne Day is a Senior Dosimetrist at the University Hospital in Zürich. She trained as a RTT at the University of Otago, New Zealand, and following a graduate position at St Georges Cancer Care Centre, Christchurch, New Zealand, relocated to Zürich, Switzerland. In her role at USZ she has specialised in stereotactic treatment planning, adaptive radiotherapy, and online adaptive radiation therapy workflows and treatment planning with the MRIdian MR-Linac.