Dr Harrow specialises in cancers of the thorax and oligometastatic disease. He delivers both advanced technical radiotherapy and systemic anticancer therapy. He completed a PhD combining radiation and viro-therapy in high grade glioma prior to completing his specialist clinical oncology training. Dr Harrow then undertook a fellowship in Radiation Oncology with the British Columbia Cancer Agency in Vancouver. He took up a consultant post at the Beatson West of Scotland Cancer Centre in 2009 before moving to the Edinburgh Cancer Centre to take up a consultant position in 2021. Dr Harrow currently holds a National Research Scotland Fellowship from the Chief Scientists Office which has allows him dedicated research time to develop clinical and laboratory research projects. He is a Principal Investigator and Chief Investigator on several clinical trials. Dr Harrow is an author on numerous practice changing publications and has been a guest speaker on research activity both within the UK, Europe and America. As the Lead Clinician for the Scottish Cancer Research Network and Health Innovation (Cancer) for the region he actively supports and engages with clinical trial activity.