A/Prof Jeanne Tie is the lower gastrointestinal medical oncology and trials lead at the Peter MacCallum Cancer Centre, and senior research fellow at the Walter and Eliza Hall Institute, Melbourne, Australia. Her translational research focusses on personalising treatment for patients with colorectal cancer with prognostic and predictive biomarkers, in particular the clinical applications of circulating tumour DNA (ctDNA). She leads several ctDNA-based randomized clinical trials (DYNAMIC studies) in colorectal cancer which aim to assess the clinical utility of ctDNA as a minimal residual disease marker to guide adjuvant treatment decision. She has published extensively in the field of colorectal cancer and serves on the Australasian Gastrointestinal Trials Group (AGITG) Scientific Advisory Committee and Lower GI working party (Chair), Cancer Adjudication Committee for the ASPREE (Aspirin in Reducing Events in the Elderly) International study, ESMO (European Society for Medical Oncology) Gastro-Intestinal Tumours Faculty.