Jon Dallimore is a General Practitioner in Chepstow. He has been on many expeditions as a doctor and or leader and has spent more than 2 years in the field on various expeditions. These expeditions have been in many different environments - from the deserts of Namibia, Sinai and Northern Kenya to the jungles of Sulawesi, Belize, Thailand and Ecuador. He loves the mountains and has undertaken many high altitude climbs and treks from the European Alps to the Andes. Jon is an International Mountain Leader, a member of the Alpine Club and has taught on the UK Diploma in Mountain Medicine since 2004. In 2016 Jon became a Director of the International Diploma in Expedition and Wilderness Medicine at the Royal College of Physicians and Surgeons of Glasgow. Jon is medical consultant to World Challenge Expeditions and has taught about expedition medicine since 1991. He is a longstanding member of the Royal Geographical Society's medical cel Sarah Anderson is a Public Health Consultant in the Programme Delivery Unit of the UK Health Security Agency (UKHSA). In this role she provides systems leadership to UKHSA's regional Health Protection Teams. Prior to this Sarah was the National Lead for TB Strategy & TB Programme Delivery at Public Health England where, over 5 years, she delivered a 29% reduction in TB incidence and for this was awarded the 2019 Bisset Hawkins Medal of the Royal College of Physicians. She has previously worked as a Regional Epidemiologist, a Consultant in Health Protection, a clinician and a GP. She has a long affiliation with expeditioning; her expedition experience includes the outback of Australia, Arctic Norway, Nepal, a variety of trips to African and the Royal Geographical Society's Shoals of Capricorn Programme. Sarah is a medical adviser to the RGS and co-edits the OHEWM. Chris Imray is a consultant vascular, endovascular, renal transplant and general/trauma surgeon at the University Hospitals Coventry and Warwickshire NHS Trust. He was awarded a personal Chair at Warwick Medical School and Honorary Chairs (Professorships) at Coventry University & Exeter University. He has been Director of the NIHR Coventry Clinical Research Unit running early phase studies since 2016. As of 2022, Chris has more than 190 peer review learned papers listed on PubMed and research interests include frostbite and non-freezing cold injury, carotid surgery, fitness for surgery, cerebral perfusion at high and extreme altitude, and polar nutrition. h-index 42. Chris Johnson. Medical Officer, Halley Station, British Antarctic Survey 1978-1980. MD in Environmental Physiology, Aberdeen 1981. Fellow of Royal College of Anaesthetists 1988. Fellow of Royal Geographical Society 1999. Contributor to books and papers on Expedition Medicine, Anaesthesia, and Clinical Assessment. College of Anaesthetists Medal, 2011. President of the Society of Anaesthetists of South-West region, 2014. James Moore is the Director of Travel Health Consultancy, The Exeter Travel Clinic and Course Director for the Royal College of Physicians and Surgeons of Glasgow, International Diploma in Expedition and Wilderness Medicine. He is a Fellow of the Faculty of Travel Medicine, and Fellow of the Royal Geographical Society, where he sits on their Medical Advisory Committee. He has Studied at the London School of Hygiene and Tropical Medicine, and holds a degree in Emergency Care and an MSc in Global and Remote Healthcare. Shane Winser is the expeditions and fieldwork advisor for the Royal Geographical Society. In this role Shane convenes the . Society's annual expedition planning seminar RGS EXPLORE each November, and the RGS Expedition Medicine Advisory Group. Shane also chairs BSI's technical panel for BS 8848: the British Standard that specifies operational requirements for organisers of overseas ventures. These include adventurous and educational activities abroad including university and academic fieldwork, gap year experiences, adventure holidays, charity challenges and research expeditions A zoology graduate with a postgraduate diploma in Information Science, Shane assisted in the planning and organisation of the RGS's own research programmes to the tropical forests of Sarawak and Brunei, the mountains of the Karakoram, and the drylands of western Australia, Kenya and Oman.