Hamish de Bretton-Gordon OBE (born 1963), is one of the world's leading experts on chemical and biological counter-terrorism and warfare. During his 23 year career in the British Army, he served as Commanding Officer of the UK's Joint Chemical, Biological, Radiological and Nuclear Regiment and NATO's Rapid Reaction CBRN Battalion. He is co-founder and director of Doctors Under Fire with Professor David Nott, where he helps civilians with the threat from chemical weapons, and advises the UK Government at the highest level on CBRN - including the recent Novichok poisoning in Salisbury. He frequently appears in global media as an expert commentator, has several academic posts, and in 1991 he briefly held the world press-up record.