Following his studies Jon had a switch of fields when he joined the Bone Research Group, Department of Medicine, University of Cambridge in 1996 initially as a laboratory technician specialising in hard tissue histology. The main focus of investigation related to osteoporotic hip fracture. He was promoted to Post-doctoral Research Associate in 2000, remaining in the group till 2011. He then joined the Orthopaedic Research Unit, Department of Surgery, University of Cambridge working on ovine models of joint repair before becoming a lecturer at Chester at the end of 2012.