Professor Mills is the British Heart Foundation Professor of Cardiology at the University of Edinburgh and a Consultant Interventional Cardiologist at the Royal Infirmary of Edinburgh. His research group aims to use linked healthcare data to develop new approaches for the diagnosis and risk stratification of heart conditions, and to evaluate their impact on clinical outcomes in practice.

He is the chief investigator of a series of multi-centred cluster randomised trials that use routine electronic health record data to evaluate the impact of high-sensitivity cardiac troponin testing on outcomes in patients with suspected acute coronary syndrome.

Professor Mills is an Associate Editor at Circulation and Chair of the European Society of Cardiology Working Group on Cardiac Biomarkers. He is the Academic Lead and Senior Responsible Officer for the University of Edinburgh’s Health and Social Care Data Driven Innovation Hub. He teaches on the MBChB course and is responsible for the supervision of clinical and basic science PhD students.