Jonathan Anderson


American Specialist in Equine Surgery

Jonathan Anderson graduated from the University of Edinburgh in 2000. He worked at Rainbow and the San Luis Rey Equine Hospital in Southern California before completing a large animal clinical fellowship at Oregon State Veterinary Teaching Hospital and an equine surgical residency at The University of California, Davis. He remained as a staff clinician at UC Davis before returning to Rainbow in September 2009 to further develop surgery and diagnostic imaging at the hospital. He has particular interests in arthroscopic and laparoscopic surgery, CT and cervical disease including the stabilisation of CVM cases.

Moses Brennan


Moses Brennan qualified from the University of Liverpool in 1999 and worked in mixed practice before working at Ashbrook Equine Hospital in Cheshire where he developed an interest in equine surgery. Moses travelled and worked in New Zealand before undertaking a residency in equine surgery at the University of Sydney, Australia. Moses has been a surgeon at the practice since 2008 and is involved in all areas of surgery. His interests are in standing surgery and minimally invasive surgery and particularly advanced equine dentistry and oral surgery. His day-to-day caseload is dominated by head CT scans and performing minimally invasive tooth extractions and sinus surgeries.

Barny Fraser


European Specialist in Equine Surgery

Barny joined Rainbow this summer returning to the UK after 7 years in the Southern Hemisphere, working initially in private practice in New Zealand and then as a senior lecturer at the University of Queensland, Australia. Prior to heading down-under he worked in Newbury and completed a surgical residency at the University of Edinburgh. He has been a European Specialist in equine surgery since 2006 and has a broad range of experience in racing, breeding, pleasure and competition horse referral practice. He is also widely published on a range of surgery-related topics.

Jonathon Dixon


European Specialist in Veterinary Diagnostic Imaging

Jonathon qualified from the Royal Veterinary College and following a short period working in Egypt for a charity veterinary practice joined Rainbow Equine Hospital as an intern for 18 months where he developed an interest in advanced imaging, in particular CT and MRI. Jonathon then completed a 3-year senior clinical training scholarship (residency) at the Royal Veterinary College in Large Animal Diagnostic Imaging before returning to Rainbow. In January 2017 he became a European Specialist in Veterinary Diagnostic Imaging. Only a handful of private equine hospitals in the UK have a specialist radiologist on site to be able to perform and interpret MRI, CT and scintigraphy.  Jonathon oversees these cases and assists with radiography and ultrasonography to ensure that all horses coming to the hospital benefit from state-of-the-art diagnostics. He has particular interests in CT imaging of the head and neck, and MRI of the distal limb.

Kate Loomes


European Specialist in Veterinary Anaesthesia

Kate graduated from the University of Sydney in 2005 and returned home to Yorkshire working in mixed and equine practice before completing an internship and residency in Veterinary Anaesthesia and Analgesia at the University of Liverpool. Kate became a European Specialist in Veterinary Anaesthesia and Analgesia in 2016 and has particular interests in the peri-operative care of colic patients and multi-modal pain management techniques. Kate joined the team at Rainbow in 2017 and is actively involved in the care of horses undergoing general anaesthesia or standing sedation for surgical and diagnostic imaging procedures. Kate also assists with the intensive care of hospitalised horses and foals.

Gemma Tyner


Gemma grew up on a dairy farm and has ridden horses all her life. She enjoys all equestrian sports; and being and doing things out doors.
Gemma went on to graduate from Onderstepoort in South Africa in 2005, after a year in mixed practice, completed an internship in Equine Emergency and critical care where she spent a foaling season at The Ohio State University before traveling down to Australia and completing a second foaling season at Scone Equine Hospital, NSW. Shortly after which she undertook a large animal internal medicine residency at The University of Pennsylvania. She then did a bit of locum work before being offered a position at St. George’s University, Grenada. Here she taught clinical skills and critical reasoning. There after she spent some time working in Devon before joining the referral team at Rainbow Equine Hospital.

Alastair Kay 


American Specialist in Equine Surgery

Alastair graduated from the University of Liverpool in 1998, entered equine private practice prior to working in specialized referral practice in Newmarket (UK) and Lexington (KY) before completing an equine surgical residency and Maters Degree in Veterinary Science at The Ohio State University. Following accepted into the American College of Veterinary Surgeons he has worked as an associate clinical professor in referral institutions and private practices in the US before returning to the UK. In addition to surgery, Alastair performs weanling, yearling and in training sales consultations. Alastair is interested in all aspects of equine surgery, especially that related to the Thoroughbred foal and adult performance horse including orthopedic, soft tissue and emergency surgery. Alastair has presented at numerous national and international veterinary conferences and has instructed and examined equine veterinarians enrolled in the discipline of equine surgery whilst contributing to the veterinary literature to enhance equine care and welfare.

Rachael Conwell


RCVS and European Specialist in Equine Internal Medicine

Rachael graduated from the Royal Veterinary College in 1997 and initially worked in mixed practice, then completed a Residency in Equine Internal Medicine at the University of Liverpool in 2002. She subsequently worked in equine practices in Buckinghamshire, Gloucestershire and Yorkshire, before establishing her own equine internal medicine mobile referral service in 2008, covering the North of England. Rachael joined the Rainbow team in 2019 and is involved with the medicine caseload and laboratory reporting and has a particular interest in gastroenterology and cardiology. She has presented at numerous national and international veterinary conferences and is an examiner for the University of Liverpool CertAVP. She has been part of the veterinary team for Bramham Horse Trials for 20 years and also provides veterinary services for the working equid charity SPANA.

Sarah Gough

BVSc/BVetBio (Hons I), DipECEIM, MRCVS

European Specialist in Equine Internal Medicine

Sarah joined Rainbow Equine Hospital in April 2018 from Australia where she had spent the previous 4 years working primarily in equine medicine, as well as surgery and reproduction, at Charles Sturt University. While she has a broad range of equine medicine expertise, her particular interests are in the intensive care of both sick adult horses and neonatal foals, as well as cardiology and ophthalmology. Sarah is also involved in Rainbow Equine Laboratory, with a role in interpreting and reporting diagnostic test results for both in-house and external patients. Sarah is in the final stages of completing her residency in Equine Internal Medicine through a combined residency between Charles Sturt University and Rainbow Equine Hospital.

Rachel Agass

BSc BVetmed (Hons)
Resident in Equine Surgery

Rachel Agass re-joins us as part of a shared surgery residency with the University of Glasgow. Rachel was an intern at Rainbow prior to spending some time in the ambulatory team before most recently working at the well know and respected Bendigo Equine Hospital in Victoria. We are very much looking forward to having her back. She will spend 6-month blocks rotating between Glasgow and Rainbow and will be involved in all areas of lameness and surgery.