John Hammond graduated in Biochemistry and Soil Science from the University of Wales, following this with research for an MSc in the same subject. He was later awarded a DPhil in fungal biochemistry from the University of Sussex. He worked as a government research scientist at the Glasshouse Crops Research Institute, and then at Rothamsted Experimental Station for 17 years, working on fungal and plant biochemistry, molecular biology and genetic manipulation, and authoring over 40 research papers. He has also held visiting research fellowships at the University of California, King’s College, London and the University of Surrey.
After leaving full-time research he was appointed senior lecturer, and later reader, in molecular genetics at the North East Surrey College of Technology. In these positions he developed and taught courses on molecular genetics, biotechnology and DNA technology for undergraduate and postgraduate students. As well as continuing with part-time lecturing in medical and molecular genetics at the college, he now writes on molecular and genetic aspects of medicine, and constructs websites and online learning materials for healthcare companies, as principal of Bioupdates Consultants. He is a Member of the Institute of Biology and a Chartered Biologist.