Poulton (Head Office): 01253 899215

Executive Management Team

David Charvill

Director of Laboratory Services


David graduated from the University of Liverpool and did a post-graduate course in Industrial Biotechnology. He started his career in R&D at Invitrogen and then moved into project management. Prior to joining the business, David was a co-founder and Director of Operations at Biofortuna. He worked with SME’s and multinational companies to help develop IVD products from concept to market. Through these interactions he has gained experience in Regulatory, Quality and Manufacturing, spanning across sectors such as clinical diagnostics, animal health, environmental and biothreat.



Helen R Campbell

Clinical Pathologist

Helen graduated from R(D)SVS in 2002. Following 5 years in mixed and small animal practice in Derbyshire and Staffordshire she joined us in 2007 to train as a clinical pathologist. Helen was awarded her FRCPath in 2011, her interests include oncology, cytology and endocrinology.


Rita Figueiredo

Clinical Pathologist

Rita graduated from the Faculty of Veterinary Medicine Lisbon in 2007. For five years she was the sole clinical pathologist in charge of the internal lab of one of the largest private animal hospitals in Lisbon which deals with first opinion and referred cases. There she closely collaborated with a large team of practitioners in particular with the imaging dept and had the opportunity to examine a large variety of internal masses cytologies. She joined us in 2012 as a trainee clinical pathologist. Her particular interests are cytology and haematology.


Kerry Freel

Veterinary Pathologist

Kerry graduated from the University of Glasgow Veterinary School in 1999. After 5 years in general practice she undertook a residency in Anatomical Pathology at the Royal Dick School of Veterinary Studies where she gained experience in gross post mortem, histological and cytological evaluation of tissues from all domestic species, wildlife and exotics from Edinburgh Zoo. In 2008 she was awarded her DipRCPath. She spent two years working in emergency and critical care and passed her General Practitioners Certificate in Small Animal Surgery in 2009. From 2009 she has been working part time in small animal practice and part time as a locum pathologist at Glasgow University Veterinary School. She obtained her FRCPath in October 2010.


Sandra Dawson

Veterinary Pathologist

Sandra is a graduate of Aberdeen and Glasgow Universities, gaining a BSc in agriculture in 1991 and her veterinary degree in 1995. Following a term in mixed practice, Sandra became a resident in veterinary pathology at Edinburgh University, latterly lecturing in reproductive pathology. After 5 years in industry, where she gained her MRCPath, Sandra joined the laboratory in May 2006. She works with surgical biopsies and can advise on all aspects of histopathology in a wide range of species.


Dr Stacey A Newton

Clinical Pathologist
(BVSc FRCPath CertEM (Int Med) PhD MRCVS)

Stacey graduated from Bristol in 1993. After building up experience in general practice, she became a resident in equine medicine at Leahurst, Liverpool University. She was awarded a certificate in equine medicine (internal) in 1997. Stacey then went on to complete her PhD in equine neuroanatomy and neurology in 2001. She was awarded her FRCPath in 2010.

Alina Bodnariu

Clinical Pathologist

Alina graduated from the Faculty of Veterinary Medicine Bucharest in 2004. Following her postgraduate studies, she worked for two years in small animal general practice. In 2010, she undertook a residency in Veterinary Clinical Pathology between a commercial veterinary diagnostic laboratory and the RVC. She was awarded her FRCPath in 2016. She enjoys all aspects of clinical pathology, but her particular interests include cytology and endocrinology.


Trevor Whitbred

Veterinary Pathologist

In mixed practice in Leicester before returning to Liverpool as a lecturer in the Department of Veterinary Pathology. Experience in general diagnostic clinical chemistry and pathology before specialising in histopathology and cytology. He has specialist interest in dermatopathology. He is a Diplomate of the European College of the veterinary pathologists.


Malcolm Silkstone

Veterinary Pathologist

After qualifying in South Africa, a period of post-graduate pathology training was followed by 3 years in general practice in the UK. Since that time he has obtained extensive diagnostic pathology experience. He is a Diplomate of the American College of Veterinary Pathologists. He has specialist interests in oncology and dermatopathology and infectious diseases.


Sonja Rivers

Veterinary Pathologist

In mixed practice in Leicester before returning to Liverpool as a lecturer in the Department of Veterinary Pathology. Experience in general diagnostic clinical chemistry and pathology before specialising in histopathology and cytology. He has specialist interest in dermatopathology. He is a Diplomate of the European College of the veterinary pathologists.

Danilo Gouveia Wasques

Veterinary Pathologist
(MV MSc)

Danilo graduated from the University of São Paulo in Brazil in 2008 and became a resident in veterinary pathology in Londrina State University the next year. After gaining experience with cytology and surgical pathology of small animals in commercial diagnostic laboratories, Danilo went back to the University of São Paulo and obtained in 2018 a Master’s degree in comparative and experimental pathology, with a focus in oncopathology. He has specialist interest in oncology, gastrointestinal pathology and dermatopathology.

Alison Lee

Anatomic pathologist

Alison studied veterinary medicine in University College Dublin (UCD). She also undertook an intercalated degree in veterinary pathology at the Royal Veterinary College. After a year in small animal practice she completed her anatomic pathology residency in UCD and became a diplomate of the American College of Veterinary Pathology. Her interests include oncology and exotic animals.

Associate Pathologists


Sue graduated from Glasgow University in 1988 and spent the following 12 years in small animal and exotic practice. She joined us in 2000 and brought a wealth of knowledge and clinical experience to the laboratory. Her practitioner-orientated approach to interpretations has proved popular with clients. Sue is especially interested in dermatology, haematology, cytology, and feline medicine. She was awarded her FRCPath in 2009.

Dr Peter Graham BVMS PhD CertVR DipECVCP MRCVS

Peter graduated from Glasgow in 1989; he is a clinical pathologist and endocrinologist with an international reputation. Following his post-graduate studies he was appointed as a lecturer in Veterinary Clinical Pathology at Glasgow. Before joining the laboratory where he was our MD for 11 years, he was Assistant Professor and Section Chief of the endocrinology section of the Animal Health Diagnostic Laboratory at Michigan State University, recognised as the world’s largest endocrinology laboratory. His particular professional interests include internal medicine and clinical pathology. In addition Peter has an impressive bibliography and is a popular speaker at veterinary meetings throughout the world.


Mark F. Stidworthy MA VetMB PhD FRCPath MRCVS

Since 2003, Mark has provided dedicated full-time anatomic pathology services for zoo, exotic and wildlife species including fish. Mark graduated from Cambridge in 1996 (taking his BA in pathology) and received pathology residency training and diagnostic experience at Liverpool and Cambridge Veterinary Schools, and a PhD for experimental studies on repair in the CNS. Mark is FRCPath and on the board of examiners for veterinary pathology.
He was founder Secretary of the British Society of Veterinary Pathology, and is a Council member of the British Veterinary Zoological Society.


Dr Daniela Denk DrMed Vet MRCVS

Daniela graduated from Munich Veterinary School where she began working in diagnosticpathology in 2006, before completing a pathology residency at Liverpool University. She joined IZVG Pathology in March 2011. She has particular interests in zoo and wildlife pathology, neuropathology and dermatopathology, and is working towards her DipECVP


The wider team

Our management and pathology team are supported by a dedicated professional team of laboratory scientists, technicians, sales, customer services and finance people.