Clinical Team
Cardiology

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 Pedro Oliveira
DVM, MRCVS, Diplomate ECVIM-CA (Cardiology), RCVS Recognised Specialist in Veterinary Cardiology
Pedro graduated from Instituto de Ciências Biomédicas de Abel Salazar – University of Porto (Portugal) in February 2005. In 2012, he obtained his ECVIM-CA (Cardiology) Diploma after completing a residency training programme at Clinica Veterinaria Gran Sasso (Milan, Italy) and École Nationale Veterinaire de Lyon (Lyon, France).
In 2012, he moved to the UK to establish and lead the cardiology team at Davies Veterinary Specialists. His areas of interest include interventional cardiology and the diagnosis and treatment of cardiac arrhythmias. In 2015, he established an electrophysiology (EP) laboratory at Davies Veterinary Specialists for the invasive study and treatment of arrhythmias in dogs and cats which remains one of only four veterinary EP centers in the word.
He has co-authored the textbook Guide to Canine and Feline Electrocardiography published by Wiley in 2018, among other published work. He is also a regular speaker at national and international congresses and has been involved in lecturing the Improve International Cardiology Certificate since 2013.
Dentistry

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.
Dermatology

Dr Andrea Volk
DVM, Dr.med.vet., MVetMed, DipECVD, MRCVS
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.
Diagnostic Imaging

Dr Christelle le Roux
BVSc Hons MMedVet (Diag Im) DipECVDI MRCVS
RCVS and European Specialist in Veterinary Diagnostic Imaging
Christelle graduated from the University of Pretoria, South Africa, in 2006 and spent time in small animal private practice before returning to complete a residency in Diagnostic Imaging. She obtained her ECVDI diploma in Diagnostic Imaging in 2018.
Christelle has spent the past the 3 years in academia at the University of Pretoria, where she has been supervising resident training in diagnostic imaging, lecturing undergraduate students in radiology and performing clinical imaging duties.
She now does mainly private consultation work as a radiologist and is actively involved in all imaging modalities.
Her favourite imaging modality is ultrasound, which she enjoys teaching to both her residents and vets in practice alike.
Medicine

Dr Stephanie Sorrell
BVetMed (Hons) MANZCVS DipECVIM-CA MRCVS
European Specialist in Internal Medicine and RCVS Specialist in Feline Medicine
Stephanie Sorrell graduated from the RVC and undertook her residency in Internal Medicine at Edinburgh University. She is a European Internal Medicine Specialist and RCVS Feline Specialist. She has a passion for teaching and has lectured nationally at conferences and CPD events as well as publishing original research papers in journals and textbooks. She is interested in all aspects of internal medicine, particularly feline geriatric medicine, endocrine disease and emergency and critical care. As well as working for VVS, Stephanie also provides locum internal medicine and feline medicine cover to private and university-based referral practices.

Dr Sarah Caney
BVSc PhD DSAM(Feline) MRCVS
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
DVM CertSAM DipECVIM-CA MRCVS
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.
Neurology

Dr Simona Radaelli
DVM PhD DipECVN MRCVS
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
DVM PhD DipECVN MRCVS
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.
Oncology

Dr Clare Knottenbelt
BVSc MSc DSAM MRCVS
RCVS Specialist in Small Animal Medicine
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.
Ophthalmology

Dr Cristina Seruca
DVM, DipECVO, MRCVS
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.

Dr Debra Agapito
BSc Geological Engineering, DVM, DipACVO, MRCVS
American Specialist in Veterinary Ophthalmology
Debra obtained a Bachelor of Science degree in geological engineering from the Colorado School of Mines and worked as an environmental engineer prior to a career change to veterinary medicine. She received a Doctor of Veterinary Medicine in 1992 from Kansas State University. Following graduation from veterinary school, she completed a one-year small animal internship then worked in general practice in the United States for ten years. She completed her ophthalmology residency in 2008 and has been involved in referral ophthalmology private practice since. Debra is actively involved with teaching ophthalmology for the University of Liverpool veterinary students and oversees postgraduate training of ophthalmologists at a referral ophthalmology practice in the UK.
Equine Internal Medicine

Dr Adele Williams
BVSc MRCVS DipECEIM PHD
RCVS and European Specialist in Equine Internal Medicine.
Adele graduated from The University of Bristol Veterinary School and completed an equine internship at The RVC, an Equine Internal Medicine residency at The University of Liverpool, and a PhD on asthma in horses at The University of Manchester.
Adele obtained her diploma in equine internal medicine in 2012 and has spent the past 16 years working in both academia and private equine practice in the UK, Ireland and South Africa. Adele is an experienced lecturer and has presented at many national and international conferences. Adele enjoys teaching and delivering veterinary training and CPD in various formats.
Adele is happy to advise on all areas of equine medicine.
Exotics

Dr Daniel Calvo Carrasco
LV CertAVP(ZM) DipECZM(Avian) MRCVS
RCVS Recognised Specialist in Zoo & Wildlife Medicine
EBVS® European Veterinary Specialists in Avian Medicine and Surgery
Dan graduated from Universitat Autònoma de Barcelona in 2010. He completed an exotic animal medicine and zoological medicine internship at Great Western Referrals (Swindon, UK), followed by 2 years of small animal and exotic practice in the UK. Dan started his ECZM Avian residency in April 2013. In May 2016 Dan gained his RCVS CertAVP(ZooMed) and completed his Residency in Avian Medicine in September 2016. Dan stayed at the hospital working as a senior referral clinician in the exotic department for two years. In 2018 Dan joined the Wildfowl & Wetlands Trust, a charity focused on wetlands conservation, where he enjoyed the combination of conservation work with living collection management. Dan is a member of both the education and examination committee of the ECZM and is also actively involved in other zoological medicine organizations.
Dan particularly enjoys avian and exotic animal surgery and has published on the topic in a number of journals. He also has a particular interest in herpetological medicine.
Management Team
Clinical Director

Dr Nuala Summerfield
BSc, BVM&S, MRCVS, DipACVIM (Cardiology), DipECVIM-CA (Cardiology)
RCVS, European and American Recognised Specialist in Veterinary Cardiology
Nuala is a veterinary cardiologist and has spent the past 17 years working in both academia and private practice. During this time, she recognised the need to make specialist veterinary healthcare more accessible to first opinion Vets wanting to diagnose and manage more of their own cases in-house. Seeing the opportunity to do this through a real-time, collaborative and educational digital platform, Nuala created VVS, together with her co-founder Rafe. Nuala is responsible for the clinical excellence and delivery within VVS.
Director (Finance & Operations)

Rafe Garvin
M.A. (Hons) Economics, M.Litt Economics,
Chartered WM, Chartered FCSI
Rafe held senior roles for over 2 decades within leading international financial institutions where he led teams and built businesses. Rafe enjoyed most working with entrepreneurs as he found their focus and creativity infectious. He has a long-established strong interest in the veterinary profession and in particular the use of technology to improve existing business and service delivery models. He is of course the proud owner of two rescue dogs and a cat!
Commercial Manager

Dr Ruth Clark
BVSc MRCVS
Ruth graduated from the University of Liverpool in 2004. She has worked in farm, equine and small animal practice both as an employee and as a locum. Ruth has also worked within the veterinary digital publishing industry and in veterinary research and development.
Ruth lives in East Sussex with her two young sons and various pets.
Ruth is passionate about animal welfare and also about supporting veterinary colleagues to achieve their best. As Commercial Manager she is here to help vets to access specialist care with Virtual Veterinary Specialists as easily as possible, as and when they need it.
Commercial Manager

Dr Lydia Morgan
BVM BVS BVMedSci MRCVS
Lydia graduated from Nottingham Vet School in 2014. She has worked for 6 years as a first opinion small animal vet in a small animal primary care and referral hospital.
Lydia lives in Devon with her Husband and her dog. When she is not working she can normally be found running around Exmoor.
Lydia knows how challenging it can be to work up tricky cases in practice. She is really enthusiastic about delivering the VVS service and providing vets the tools to access specialist care whilst maintaining continuity of care. She is motivated to improve the clinical confidence and skills of the whole veterinary team in an easy-to-access and supportive way.