David Rendle


RCVS and European specialist in Equine Internal Medicine

Dave initially worked in large animal practice in Somerset before completing an internship at Liphook Equine Hospital and a medicine residency at The University of Glasgow. He has subsequently worked at The Royal Veterinary College, Charles Sturt University in Australia and most recently at Liphook Equine Hospital. He has also consulted for other laboratories and companies on laboratory medicine. Through his residency and beyond Dave has had an interest in laboratory medicine and this has always accounted for a good proportion of his work. He is widely published in internal medicine and has a number of laboratory medicine related publications.

James Crabtree


James is well known and published in equine reproduction. In addition to being a director of Rainbow Equine Reproductive Services in Malton he is an honorary lecturer at Liverpool University. In addition to offering a referral service at the purpose-built breeding unit at Rainbow, James consults within the laboratory providing interpretations and clinical support for samples relating to equine breeding. Rainbow Equine Lab and Reproductive Services are working on a number of collaborative laboratory-based research projects relating to the breeding of difficult mares. If you have any specific enquiries relating to reproduction James can be contacted via the laboratory.

Lara Gosling

Lara graduated from the University of Nottingham in 2013 and worked in small animal practice before completing an internship at Endell Equine Hospital in Salisbury. After time working at a charity hospital in Egypt she moved to Yorkshire, spending two years working in first opinion practice where she developed an interest in internal medicine. She is well on the way towards a certificate of advanced veterinary practice and is especially interested in geriatric medicine, critical care and ophthalmology and has a soft spot for donkeys and Shetlands!

Rachael Conwell

BVetMed CertEM (IntMed) DipECEIM MRCVS RCVS and European Specialist in Equine Medicine

Rachael Conwell qualified from the Royal Veterinary College in 1997. Initially working in mixed practice in Wales, she then completed a 3-year Residency in Equine Internal Medicine at the University of Liverpool and gained the RCVS Certificate in Equine Internal Medicine. After passing the European College specialist examinations, she was awarded the European Diploma in Equine Internal Medicine in 2010. In 2007, keen to concentrate on her equine internal medicine interests and utilise her specialist training, Rachael established EquiMed Referrals Ltd to provide an ambulatory internal medicine service across the North. In the Summer of 2016 she joined the laboratory team to provide additional Internal Medicine input.

Rebecca Marsh

BSc (Hons)

Since graduating from the University of Hull with a BSc in Biomedical Science Rebecca has been working in a private science laboratory. During her time at University, she developed a keen interest in cytology and microbiology, stemming from her research in mycology. She moved to Rainbow in 2016 in order to further these interests and follow her ambition of working in a clinical laboratory.

Ian Rogers


Ian graduated from the University of Hull with a BSc in Biology. Through his undergraduate training he developed an interest in clinical laboratory work and has been working in this area ever since. He has 12 years’ experience in animal health and has particular interests in microbiology, molecular biology, serology and parasitology. He has published in laboratory journals and undergone extensive post-graduate training in microbiology and parasitology. Ian moved to Rainbow in 2015 to supervise the development of the equine laboratory.

Jacquiline Potts


Jacqueline graduated from the University of Bristol with a BSc in Pathology and Microbiology. As an undergraduate she developed a keen interest in clinical pathology and gained a wealth of laboratory experience. Since graduating she has worked within a research laboratory and The National Health Service. She moved to Rainbow in 2017 to pursue a career within a clinical laboratory and further her interests in microbiology.

Ali Gardner


Ali has always been involved with horses and gained a BSc in Equine Management followed by an MSc in Equine Science from Aberystwyth University. As part of her Masters she spent time at The University of Liverpool researching antimicrobial effectiveness against biofilms in equine chronic wounds. This fuelled her ambition to work within an equine clinical laboratory and be involved in veterinary medicine and she tells us it was dream come true to join the Rainbow Laboratory team in April 2017.

Sarah King

BSc (Hons)

Sarah graduated from The University of Liverpool with a BSc in Tropical Disease Biology. As an undergraduate she focused heavily on the clinical pathology of tropical diseases and developed an interest in parasitology and haematology, particularly in the effect of snake venom on blood coagulation. She has been working within the pharmaceutical industry in a quality control laboratory since graduating. Sarah joined Rainbow in 2017 to pursue her interests in clinical laboratory work and parasitology in particular.