Piet Dirix attained a PhD in medical sciences in 2010 on “Optimization of IMRT for head and neck cancer” and graduated as a radiation oncologist in 2012. He works in the Iridium Network, Antwerp (Belgium), where his focus lies on pelvic genito-urinary (GU) cancers as well stereotactic body (SBRT) treatments. He was the principal investigator of the ROBOMET trial examining SBRT for painful bone metastases and is currently conducting the SAVE trial comparing androgen-deprivation therapy to apalutamide monotherapy in the setting of prostate salvage irradiation. The Iridium Network consists of a close collaboration in radiation oncology between all 7 Antwerp hospitals. There is only one single radiation therapy department, which treats around 6.000 new patients per year. Piet Dirix is currently head of its radiation therapy unit and vice-chair of the oncology centre.