Marcus has specialised in the upper limb since 2007. Originally trained at Manchester University, he completed an MSc at the University of Nottingham and more recently became one of the first physiotherapist independent prescribers in the UK. As well as managing a large clinical caseload of patients with acute and chronic shoulder & elbow pathology, Marcus is involved with a broad portfolio of research. He sits on the Trial Steering Committee of UKFroST investigating MUA vs capsular release vs conservative care of frozen shoulder; is a Principle Investigator for the GRASP Trial investigating conservative management of rotator cuff disorders; and is a Principle Investigator for the RaCeR Trial investigating accelerated rehabilitation after rotator cuff repair. He has over 20 publications in peer-reviewed journals and has written chapters for orthopaedic and sports medicine textbooks. He peer reviews for several journals including Clinical Rheumatology, British Journal of Sports Medicine, BMC Musculoskeletal Disorders, Physiotherapy and Shoulder & Elbow. Marcus has a particular interest in shoulder instability and designed the Derby Shoulder Instability Rehabilitation Programme focussing on patients with atraumatic instability. This work was recently presented at the British Elbow & Shoulder Society conference in Glasgow 2018 winning the best AHP paper prize. He regularly teaches at both undergraduate and postgraduate level in the UK and Europe. He is currently preparing a PhD fellowship application to investigate the management of patients with chronic tennis elbow. In 2018 he was awarded the British Elbow & Shoulder Society’s highly prestigious Copeland Fellowship.