Dr Song is a consultant physician in general medicine and diabetes at Sheffield Teaching Hospitals. A graduate of Edinburgh University, he obtained his MD with distinction and was awarded the Endocrine Society prize for best paper published in JCEM in 2000. With clinical and research interests in young type 2 diabetes, he leads the NHS T2Day Program to improve care of young people with type 2 diabetes in South Yorkshire. He also led the NDA Quality Improvement Collaborative to improve care of this subgroup in Sheffield. He is the Diabetes UK Clinical Champion in Northern and Yorkshire region and expert member of NICE Diabetes Guideline Committee and NDA Advisory Group for Young Type 2 Diabetes. He is a Council Member of Royal College of Physicians of Edinburgh and contributes to postgraduate education as RCP College Tutor, Secretary of Specialty Certificate Examination Board for Diabetes & Endocrinology and MRCP(UK) PACES examiner.