Mark F. Stidworthy MA VetMB PhD FRCPath FRCVS
RCVS Recognised Specialist in Veterinary Pathology (Zoo and Wildlife)
Principal Veterinary Pathologist

Mark is a full-time consultant anatomic veterinary pathologist working with zoo, exotic and wildlife species including fish, at International Zoo Veterinary Group (IZVG) in Keighley, West Yorkshire. A 1996 University of Cambridge veterinary graduate, with pathology residency training from Liverpool Veterinary School and a Cambridge PhD investigating remyelination in the central nervous system, he joined IZVG in 2003. He is a Fellow of the Royal College of Pathologists and Royal College of Veterinary Surgeons, and an RCVS Recognised Specialist in Veterinary Pathology (Zoo and Wildlife). Mark was President of the British Veterinary Zoological Society between 2015 and 2017. He is an author or co-author of over 80 peer-reviewed publications and speaks regularly in the field of zoo, wildlife and aquatic pathology.

Cheryl Sangster BSc DVM MVSc DACVP MRCVS
Veterinary Pathologist

Cheryl works regularly for IZVG Pathology. Her BSc in Marine Biology and DVM were followed by an MVSc in Anatomic Pathology at the Canadian Wildlife Health Centre. After gaining DipACVP Cheryl spent over 7 years as Diagnostic Veterinary Pathologist at Taronga Zoo in Sydney, before pursuing a freelance career.