Dr. Harrington is the Chief Scientific Officer for Viapath which provides the laboratory pathology services for large teaching hospitals in London and beyond. He is a Consultant Clinical Scientist and founding and current Director of the Human Nutristasis Unit at St. Thomas', and Head of Laboratory Hemostasis and Thrombosis. He is also Reader in Diagnostic Hematology at King's College London.
Dr. Harrington has a longstanding interest in the development and implementation of novel laboratory markers for the assessment of vitamin status, influencing practice in the UK and internationally. He has raised awareness that laboratory tests routinely used to determine vitamin status are often not sensitive enough to detect patients who would benefit from nutritional support. Recent awards and recognition include: Advancing Healthcare Science award for Innovation from the Academy of Healthcare Science; Serco Global Innovation Award Winner for 'Improving Lives through Innovation'; UK Department of Health 'Extraordinary you - Healthcare Science'.