Meet the Specialists


Dr Nuala Summerfield
BSc BVM&S DipACVIM(Cardiology) DipECVIM-CA(Cardiology) MRCVS
RCVS, American and European Specialist in Veterinary Cardiology

Nuala graduated from the University of Edinburgh Veterinary School and completed a residency in veterinary cardiology at the University of Pennsylvania, USA.

Nuala obtained her ACVIM Diploma in Veterinary Cardiology in 2002 and has spent the past 16 years working in both academia and private practice in UK, France and Switzerland. She is a regular speaker at both national and international conferences, as well as CPD courses and has published widely in the field. Nuala is happy to advise on all areas of cardiology. Her areas of particular interest are canine dilated cardiomyopathy, heart failure and cardiac arrhythmias. Nuala co-founded Virtual Veterinary Specialists in 2017.





Dr Rachel Perry
BSc BVM&S MANZCVS (Small Animal Dentistry & Oral Surgery) DipEVDC, MRCVS
EBVS ® European Veterinary Specialist, Dentistry
RCVS Recognised Specialist, Veterinary Dentistry

Rachel graduated as a veterinary surgeon from Edinburgh University and entered small animal practice where she soon developed an interest in small animal dentistry. Since 2010, her clinical practice has been limited to small animal dentistry and oral surgery; providing clinical referral work, continuing education and consultancy services. In 2016 she passed the European Veterinary Dental College Board examinations to become a Diplomate and European Veterinary Specialist in veterinary dentistry. She was granted RCVS Specialist status in 2017.
She has lectured nationally and internationally and published original research and review articles in journals, textbooks and on-line platforms. Rachel is regularly involved in on-line and in-house teaching for under- and post-graduate vets and nurses across the country.




Dr Andrea Volk
RCVS and European Specialist in Veterinary Dermatology

Andrea graduated from Hanover Veterinary School in 2002, followed by a research doctorate in Pharmacology. Having spent some years in first opinion practice in the UK, Andrea then undertook her residency training in Dermatology at the Royal Veterinary College (RVC). She remained at RVC as a Specialist Dermatologist before moving to private referral practice at Davies Veterinary Specialists in Hertfordshire.

Andrea enjoys looking after skin patients and their owners, to manage these often chronic and frustrating cases. Her special interests are atopic disease, with emphasis on food hypersensitivity and ear disease, as well as the feline patient. She has a particular interest in progressing the understanding of the immunology of the intestine and skin. Andrea enjoys teaching undergraduate students as well as veterinary colleagues on CPD courses and has lectured widely in the UK and in Europe.




Dr Sarah Caney
RCVS Specialist in Feline Medicine

Sarah is CEO of Vet Professionals and has worked as a feline-only vet for more than twenty years. She is a University of Bristol graduate and also completed her feline medicine residency and PhD at this institution. Sarah spent four years as a lecturer in feline medicine before leaving to pursue a career in private practice. Sarah has always enjoyed seeing a mixture of first opinion and referral feline medicine patients and has a particular interest in geriatric feline medicine.

Sarah is internationally recognised and one of only fourteen veterinary specialists in feline medicine working in the UK. Sarah founded Vet Professionals in 2009 and has authored and co-authored a number of the Vet Professionals ‘Caring for a cat’ series of books. Sarah has published widely in prestigious international journals and has been an invited speaker to veterinary conferences around the world. Sarah has worked for many years with the UK cat charity, International Cat Care (ICC) and the International Society of Feline Medicine.


Dr Susana Silva
RCVS and European Specialist in Veterinary Internal Medicine

Susana obtained her veterinary degree in Porto (Portugal) and after spending nearly four years in first opinion practice she decided to pursue specialist training. She undertook an internship at a private practice in the UK and then did her residency at the University of Bristol. Susana became an internal medicine diplomate in 2010 and then started working in a private referral centre in the UK.

As well as consulting for VVS, Susana is an Idexx internal medicine consultant and a speaker for the Improve International Small Animal Medicine post-graduate certificate.  Susana enjoys all of the different areas of internal medicine but has a special interest in respiratory medicine and gastroenterology.





Dr Simona Radaelli
RCVS and European Specialist in Veterinary Neurology

Simona graduated from the University of Milan, Italy. During her studies she developed an interest in neurology, having rescued a cat with head trauma that became epileptic. After graduation, she won a scholarship for a neurology internship at the University of Athens, Georgia, United States, after which she moved to the University of Hannover, Germany, to complete a neurology residency. Simona gained the Diploma of the European College of Veterinary Neurology (DipECVN) in 2005 and also completed a PhD on Neuronal Dysplasia as a cause of refractory seizures in dogs and cats.

Simona has worked in UK referral practices as a Neurology Specialist since 2005. She has a passion for teaching and has taught Foundation and Higher Education Students for the past 7 years. She has also lectured in several national and international congresses.


Dr Lisa Alves
RCVS and European Specialist in Veterinary Neurology

Lisa obtained her veterinary degree in Lisbon (Portugal) and then spent almost five years in first opinion practice. During this time Lisa developed a passion for neurology. She moved to Switzerland where she completed a neurology residency at the University of Bern. Lisa became a Diplomate in Veterinary Neurology in 2011 and then completed a PhD in inflammatory CNS diseases. Lisa has been working in the UK since 2015.

As well as consulting for VVS, Lisa works as a Clinical Neurologist at the University of Cambridge Veterinary School. She enjoys teaching clinical neurology to veterinary students, interns and residents in her current role and has been an invited speaker at several international veterinary conferences. Lisa has a special interest in general brain diseases.




Dr Clare Knottenbelt

Clare graduated from the University of Bristol in 1994, and worked for a year in mixed practice, before starting her specialist training in small animal medicine at the University of Edinburgh’s Royal (Dick) School of Veterinary Studies. She obtained the RCVS Diploma in Small Animal Medicine in 1999 as well as a Masters in Transfusion medicine. Clare worked as a clinician at the University of Glasgow from 2000 and was awarded a personal Professorship in Small Animal Medicine and Oncology in 2010. She was the Clinical Director of the University of Glasgow’s Small Animal Hospital for 6 years and worked within the University’s Oncology service for 11 years.







Dr Cristina Seruca
RCVS and European Specialist in Veterinary Ophthalmology.

Cristina obtained her Veterinary Medicine Degree from the University of Évora in Portugal. She completed a Small Animal Medical and Surgical Internship followed by a residency in Comparative Veterinary Ophthalmology at the Autonomous University of Barcelona in Spain. In 2012 she gained her European Diploma in Veterinary Ophthalmology and started working in private practice in Portugal and UK. She is an invited Professor at Évora University and a regular speaker at both national and international conferences, CPD courses and post-graduate certificate courses (BSAVA, Improve and Autonomous University of Barcelona). Cristina has a special interest in eyelids, corneal and intraocular surgery, and neuro-ophthalmology.