Fiona Hegi-Johnson is a Radiation Oncologist at the Peter MacCallum Cancer Centre. Fiona has served on the Board of the Trans-Tasman Radiation Oncology Group (TROG) and is Chair of the TROG Lung Group. She has a longstanding commitment to IASLC, with her most significant recent contribution being co-Convening of the World Congress on Lung Cancer (WCLC23) in Singapore in 2023. Clinically, Fiona specialises in the treatment of patients with lung and breast cancer, including a subspecialty interest in stereotactic body radiotherapy (SABR).