Stephen Wood undertook his medical training at the University of Bristol, qualifying in 1987. He initially trained in general surgery and became a Fellow of the Royal College of Surgeons in 1992. He then specialised in ENT Surgery and trained at the Royal National Throat, Nose and Ear Hospital in London and at hospitals in the South West of England. He became a Clinical Research Fellow at the University of Bristol and was awarded a prestigious national research prize for his study into the genetics of sinus disease. He was invited to present this work to a number of international conferences in Europe and America. In 1999 he undertook a Clinical Fellowship at the University of Toronto, Canada and was also a visting Fellow in New York and Houston, Texas. In 2000 he became a Consultant Senior Lecturer at the University of Bristol where he was responsible for the teaching of medical students and for the ENT research programme at the university. In 2002 he joined the ENT department at Wexham Park Hospital.
At Wexham he undertakes general ENT clinics, a children's ENT clinic and a neck lump clinic. He is a member of the thyroid and head and neck cancer teams and is the Lead for Head & Neck Surgery for his hospital trust. He is also the Lead for Clinical Governance and Quality Assurance for ENT at Wexham Park Hospital. Mr Wood remains actively involved in training and is the Tutor for ENT in his department. He is the founder and continues to help organise a Sinus Surgery Course for trainee surgeons in Bristol. He is also an instructor on the highly regarded Cambridge Sinus Surgery course and on the Wexham Laser Surgery Course lecturing on techniques of laser surgery in ENT. He has written scientific publications on a variety of ENT conditions and recently contributed to a textbook on Sinus Anatomy used by junior surgeons.