Irrum graduated from Imperial College London with a Masters of Public Health and now manages the Academic Surgical Unit of the South West London Elective Orthopaedic Centre. Irrum has comprehensive knowledge of research, has published in peer-reviewed journals and often presents nationally and internationally. Irrum has an interest in Sustainability in Orthopaedics, publishing on 'Environmental sustainability in Orthopaedic Surgery' and 'Lean pathways in Orthopaedics: multiple wins for sustainability'. Irrum is an active member of the British Orthopaedic Association, National Orthopaedic Alliance, British Orthopaedic Sports Trauma and Arthroscopy Association, Orthopaedic Research and Education Foundation and the Imperial College London Alumni Service.