Duncan is a Consultant Clinical Biochemist/Forensic Toxicologist within the NHS at Aberdeen Royal Infirmary.  After training as a Clinical Scientist in Aberdeen, he took up a senior post with a specialist interest in forensic toxicology from where he later progressed to his current post as consultant. He has reported on over 7500 cases and has been called as an expert witness to both the Sheriff and High Courts in Scotland.

He teaches to medical and science students in biochemistry and toxicology at the Robert Gordon University and University of Aberdeen. His teaching commitment to clinical and forensic toxicology also includes his office as an examiner for the Royal College of Pathologists.
He completed a BSc in Biochemistry and Pharmacology and a PhD in Molecular Toxicology at University of Dundee along with an MSc in Clinical Biochemistry at the University of Surrey.  His professional qualifications include both fellowship of the Royal College of Pathologists and American Board of Forensic Toxicology, and diplomate board examinations in both clinical chemistry and toxicology of the American Board of Clinical Chemistry.  He is a Chartered Clinical Scientist and is state registered with the Health and Care Professions Council in the UK.

He has been an active member of both UKIAFT and TIAFT where he has attended and presented at meetings over the years. He is also an active member of the ACB, AACB, AACC, AACT, AAFS, CSCC, RSC and RCPath.

As an elected member of the UKIAFT Council, he is keen to promote forensic toxicology to stakeholders and the users of our services by supporting the development of accredited practices and appropriate training within the discipline.