Specialty services

Our team of specialist vets are passionate and committed to providing exceptional care for your beloved pets.



Dr Eduardo Uquillas graduated from the Universidad Mayor, Chile in 2007. Following graduation, he worked as a small animal clinician for 3 years, during this time he completed a post grade diploma in veterinary anaesthesia and analgesia in small animals.

In 2010 he started a residency in veterinary anaesthesia and analgesia at the University Teaching Hospital Camden (UVTHC) in cooperation with the University of Pennsylvania, which he completed in 2015.

Eduardo is based at the University Teaching Hospital Camden (UVTHC) and is the Unit Head of the Anaesthesia service.


Dr Yushun Ishikawa, a registered Specialist in Veterinary Anaesthesia and Analgesia in Australia, is a distinguished veterinary professional with extensive international experience. His career includes notable roles at esteemed institutions like Massey University, and recently the completion of his residency at the University of Georgia, where he earned recognition as a Diplomate of the American College of Veterinary Anaesthesia.

Originally from Japan, Dr Ishikawa has made global contributions to veterinary science, working in Japan, New Zealand, the United States, and now Australia. His particular focus lies in understanding and managing pain, showcasing his commitment to advancing the field of veterinary science.

Emergency and Critical Care


Samantha graduated from the University of Queensland in 2011 with a Bachelor of Veterinary Science (Hons). She then went on to work in small animal practice and moved into working strictly in emergency and critical care in 2014. She obtained her memberships in emergency and critical care in 2017 with the ANZCVS. She returned to the University of Queensland in late 2018 to complete a PhD in critical care with the Critical Care Research Group (The Prince Charles Hospital, Brisbane) whist continuing to work as an emergency and critical care Veterinarian.

Samantha is passionate about education and has contributed to the veterinary field with webinars, and in her capacity as a board member of the Australian New Zealand College of Veterinary Scientists. She is actively involved in reviewing training programs for veterinary residents, as well as in the examinations process for veterinary membership examinations.

Samantha joined the Sydney School of Veterinary Science in 2023 as a full time academic. She is responsible for teaching Veterinary emergency and critical care, as well as continuing her research in critical care.

Samantha also leads the emergency and critical care area of the teaching hospital.

Dr Sandeep is a Senior Veterinary Registrar, currently working across the Primary Care and Emergency and Critical Care services at UVTHS.

Dr Hardy Chen is a staff veterinarian with the emergency and critical care service at UVTHS.

Dr Jeffrey Hu is a staff veterinarian with the emergency and critical care service at UVTHS.

BVBiol DVM GradCert (ECC)

Dr Jolyn completed her Doctor of Veterinary Medicine (with distinction) from Murdoch University in 2020. She also completed a Graduate Certificate in Emergency and Critical Care in 2022.

Dr Jolyn has extensive experience, having completed a rotating internship at VSS in Brisbane in 2021 and another at UVTHS, which she completed in early 2023. She has since continued her career at UVTHS as a staff veterinarian in the Emergency and Critical Care department.

Outside of her professional life, she enjoys travelling, exploring Sydney's vibrant food scene, and indoor rock climbing. She also has a geriatric toy poodle named Honey back home in Singapore.

Dr Tamara Mobbs is a staff veterinarian with the emergency and critical care service at UVTHS.


BVSc (Hons) MVetStud MANZCVS (SA Medicine) Dipl. ACVD

Dr Beth McDonald is a highly qualified and experienced Veterinary Dermatologist. She holds many qualifications, including: BVSc (Hons) 1988; Master in Veterinary Studies 1993; Member, ANZCVSc in Small Animal Medicine,1994; Diplomate of the American College of Veterinary Dermatology 1998 and has been a registered Specialist in Veterinary Dermatology for many years. She enjoys the challenges of clinical dermatology and supports education of both undergraduates and practicing veterinarians.

Dr McDonald has particular interests in the management of allergic dermatitis in the dog and cat; responsible use of antibiotics; autoimmune skin disease and management of diseases in our geriatric pets! Dr McDonald and her technician, Vokina Ng offer a compassionate and caring service to the community and their pets.

Diagnostic Imaging

Med.Vet. BVSc FANZCVS – Radiology

Juan graduated with a Bachelor of Veterinary Medicine in 1999 from La Plata University, Argentina. In 2002, after spending some time practicing in Argentina, Juan was granted a scholarship to work and further develop his skills in Australia.

In 2006 Juan fulfilled all requirements and passed the national veterinary examination allowing him to practice in Australia.

Juan underwent a Radiology residency at the University of Sydney and became a Fellow of the Australian and New Zealand College of Veterinary Scientists in 2015. Juan is currently an active clinical radiologist providing services to private and academic institutions and pre and postgraduate teaching in veterinary diagnostic imaging at Sydney University.

Juan has trained in MRI physics and technical applications during 2006-2007. In 2008-2009 he underwent accredited training in nuclear medicine and radiophysics with the Royal North Shore Hospital.

Juan is actively involved in clinical and academic research. His areas of interest included all aspects of musculoskeletal imaging, magnetic resonance imaging (MRI) and nuclear medicine. Juan has been involved in a number of publications associated with the application of MRI to improve planning and identification of musculoskeletal injury in canine and equine patients, abdomen angiography and use of nuclear medicine for skeletal disease in canine patients.

Juan currently resides in Australia with his family including his partner, two daughters and Diego (their horse). He enjoys all forms of sports, in particular football (soccer), horse riding and rugby uniontal.

BVSc (Hons 1) MANZCVS (Radiology) 

Dr Stella started her veterinary career in general practice, where she found the challenge and variety of emergency cases and radiology particularly rewarding. She then completed a rotating internship at SASH, followed by some time in the emergency service. After this, she completed a Radiology Internship and successfully passed her Radiology Membership exams.

Dr Stella spent several years in emergency and critical care (ECC), including a tenure as an ECC clinical lead, before transitioning to a teaching role at the University of Sydney. She is dedicated to enhancing the student learning experience, especially in making radiology less daunting.

She is especially passionate about imaging, with a focus on thoracic radiography and interventional radiology. She looks forward to advancing her research in these areas and contributing to the field of veterinary medicine.


Rachael graduated from the University of Newcastle in 2016 with a Bachelor of Medical Radiation Science (Diagnostic Radiography). Her special interests include CT and cardiac imaging. After 4.5 years of working in private practice, Rachael has followed her love for animals and has taken the leap into the animal world at UVTHS as well as working in private practice at a human radiography clinic. At home, Rachael has a Staffie X shar-pei named Indie that she loves to take bushwalking. She’s a keen sportswoman who has been playing hockey for years among other sports.

Rachael has previously volunteered at riding for the disabled and hopes to gain experience in imaging horses throughout her Veterinary Radiography career.



Mary graduated from the University of Sydney in and worked in companion animal practice in Sydney before completing an internship and residency in small animal internal medicine in North America. Mary has spent the last 15 years working at The University of Queensland, where she completed her PhD, and more recently (2015-2020) at Murdoch University. Her major area of research interest is bacterial urinary tract disease/colonisation of dogs and cats but she enjoys most aspects of internal medicine and working with veterinary students


Dr Ruaux graduated from The University of Queensland in 1992 with a degree in Veterinary Medicine and went on to earn his Ph.D. in 1999. After which he then moved to the United States and worked as a researcher in the Department of Small Animal Clinical Sciences at Texas A&M University. He completed his residency in Small Animal Internal Medicine at Oregon State University in 2008.

Dr Ruaux went on to work as an Associate Professor in the Department of Clinical Sciences at Oregon State University. Before joining the University of Sydney team, he worked at the Veterinary Teaching Hospital at Massey University in Palmerston North, New Zealand from 2017 – 2020.

Dr Ruaux is interested in research into gastrointestinal diseases and has authored and co-authored a number of veterinary textbooks in Small Animal Medicine.

Dr med vet DipECVIM-CA

Christine graduated from the Justus Liebig University, Giessen, Germany in 2003. She then completed a residency at the University of Berlin, Germany. Christine is a Senior Lecturer and Specialist in Small Animal Medicine (Diplomate ECVIM). She consults on the canine medicine service. Her main interests include haematology, endocrinology and infectious diseases. In 2020 Christine enrolled in a part time PhD investigating the re-emergence of canine leptospirosis in NSW.

BVSc PhD DSAM (Feline) DipECVIM-CA MRCVS MANZCVS (Animal Welfare)

Dr Andrea Harvey graduated from the University of Bristol Veterinary School (UK) in 2000, where she also completed her residency training in Small Animal and Feline Medicine. She subsequently worked in both academia and private practices in the UK and, since 2011, in Australia. Dr Andrea holds the ECVIM Diploma in Small Animal Medicine and RCVS Diploma in Feline Medicine and is a Registered Specialist and RCVS Specialist in Feline Medicine.

Dr Andrea has worked extensively with ISFM globally, including developing the Cat Friendly Clinic Accreditation Scheme. She is passionate about all aspects of feline medicine, but particularly the management of common feline chronic diseases, and she enjoys adopting a holistic approach to managing cases in an individualised way.

In addition to Feline Medicine, Dr Andrea has very diverse veterinary and animal welfare science interests, also holding ANZCVS Memberships in animal welfare and a PhD in wild horse ecology and welfare. She is active in research in the fields of equine practice and welfare, and wildlife welfare, and holds a Chancellors Research Fellowship at UTS in wildlife welfare.

Dr Andrea is passionate about veterinary education, particularly in critical thinking, clinical reasoning, and incorporating animal welfare science into daily clinical practice. 


Dr Sara Ravicini completed Veterinary School at the University of Barcelona in Spain, where she also returned as a rotating intern after a year in the United States. Subsequently, she moved to England and gained experience as a general practitioner and emergency clinician before pursuing a second internship at Willows Veterinary Centre and Referral Service in Solihull, West Midlands, UK.

In 2017, Dr Sara relocated to the United States to complete a residency program in Small Animal Internal Medicine and a Master's Degree in Clinical Science at Washington State University, where she later served as faculty until moving to Australia in 2021.

Dr Sara is a diplomate of the American College of Veterinary Internal Medicine and a registered specialist in Small Animal Medicine in New South Wales. Her professional interests include interventional radiology, nephrology, urology, immune-mediated diseases, megaesophagus, and feline medicine.


Dr Chloe graduated from the University of Sydney in 2016. Passionate about continuing professional development, she has attained a Certificate of Advanced Veterinary Practice (CertAVP) from the University of Liverpool, and holds memberships in both Small Animal Medicine and Feline Medicine.

Dr Chloe practised as a General Practitioner in Hong Kong for five years before relocating to Sydney to begin a medicine residency.

Outside of work, she loves hiking, travelling, and cuddling her ginger boy, Evan, who has bravely made it through 2.5 years following his initial diagnosis of end-stage heart failure.



Dr Baltzer graduated with a DVM from UC Davis in 1994. She received her Ph.D. at Texas A&M University in 2003 and became board certified in the American College of Veterinary Surgery following her residency at Texas A&M in 2007. She received board certification as a Certified Canine Rehabilitation Practioner by the University of Tennessee in 2012. Dr Baltzer became a diplomate of the American College of Veterinary Sports Medicine and Rehabilitation-Canine in 2013.

From 2005 to 2016, she was an associate professor of small animal surgery and sports medicine at the College of Veterinary Medicine at Oregon State University. Dr Baltzer was a Professor of small animal surgery at Massey University School of Veterinary Science in New Zealand until 2020. Her research, which includes over 50 publications, has investigated the effects of oxidant stress on agility exercise in dogs, ligament and tendon injury, augmentation of fracture repair with momentum, and the injuries of working, sporting, police and military dogs.


Rachel graduated from the University of Sydney in 2009 and worked in general practice at various clinics in Sydney. She then started an internship at UVTHS before beginning a surgical residency. Rachel completed her memberships in small animal surgery in 2014, and finished her surgical residency at UVTHS in 2018. She successfully passed her board exams in February 2020 and is a Diplomate of the European College of Veterinary Surgeons. Rachel also completed a Masters in Veterinary Clinical Studies during her residency and a PhD focused on improving the management of feline carpal (wrist) injuries.

Rachel has written several publications in the area of feline orthopaedics and musculoskeletal imaging. She is actively involved in both clinical teaching and research. Although her area of research interest is feline orthopaedics, she enjoys all aspects of small animal surgery.

When Rachel is not at work, she enjoys gardening and spending time with her husband Bobby and her cat Prince.


Dr Melanie Olive graduated with honours from the University of Liege in Belgium in 2014. Following graduation, she started work as a small animal veterinarian in a clinic near Paris (France) where she developed an interest in Surgery.

She undertook a rotating internship followed by a surgery one at a referral hospital in Nantes (France). After that she had been an assistant professor of small animal surgery at Nantes University.

Then she completed her specialist surgical training in a busy small animal hospital in Nantes.

She enjoys all aspects of surgery but had a particular interest in soft tissue surgery.

Outside work, Melanie enjoys horse riding, diving and kitesurfing. She also enjoys spending time with her husband and their friends and off course their handsome Jack russell named Rosti.


Dr Angela moved to Australia from the Philippines in 2012 and graduated from the University of Sydney in 2016. She worked in general practice in Canberra before returning to Sydney to do a rotating internship at UVTHS in 2019. 

She obtained her Graduate Certificate in Small Animal Emergency and Critical Care in 2020 and became a member of the Australian and New Zealand College of Veterinary Scientists in Small Animal Surgery in 2021. She is currently completing her residency to be a specialist surgeon under the European College of Veterinary Surgeons and Australian New Zealand College of Veterinary Scientists in July 2024.

Angela has an interest in orthopaedics and polytrauma.

When not tinkering with surgical tools, Angela enjoys going to the gym and trying to stay fit so she can enjoy exploring new places to eat with her partner and their two dogs - the princess, Harper, and escape artist, Cody.

BVSc BBMSc (hons)

Dr Sorcha grew up in Dunedin, New Zealand and completed her first degree at Victoria University in Wellington with first class honours in biomedical science, majoring in molecular pathology. She was awarded on the dean’s list for academic excellence.

She graduated from vet school in 2018 at the University of Sydney and spent 8 months in general practice before moving to the UK in pursuit of a surgical residence. Sorcha completed a specialist surgical internship at Fitzpatrick Referrals (home of the “SuperVet TV show”) and then a rotating internship at the University of Glasgow.

During her time in Glasgow, she worked as a surgeon and emergency vet but more importantly, met her husband. They moved to Sydney in 2021 where she began a surgical residency. Now in her final year, Sorcha has continued to enjoy all aspects of surgery, teaching and research. Apart from the surgical side, she values the relationships built between our clients and their pets. In my time out of work, I spend time with my husband and our dog Walter adventuring around Sydney. 

DVM BSc CertII(Hosp)

Dr Jason is a second-generation Egyptian-Australian who grew up in Melbourne. He earned a Bachelor of Science in 2015, followed by a Doctor of Veterinary Medicine (DVM) from the University of Melbourne in 2018. Dr. Jason began his career with a rotating internship at Southpaws, progressing to a senior surgical internship.

He then joined UVTHS, completing a rotating internship and a surgical internship before being accepted into the small animal surgery residency program in 2022. He has an interest in minimally invasive surgery and orthopaedics, and he is eager to expand his knowledge and skills throughout his residency.

As a passionate researcher, Dr Jason has published papers on feline radius ulna fractures and feline femoral head and neck ostectomy, with several more papers nearing publication. His dedication to advancing veterinary medicine is evident in his commitment to training future veterinarians and ensuring the continuous improvement of the veterinary industry.

Dr Jason shares his home with two cats, Stormi and Remi, and his partner, Caitlin. He chose to specialise in surgery as he loves nothing more than seeing owners picking up their pet after being in hospital, and knowing that you have helped both the pet and their owner.


Dr Charna Stowe, a graduate of the Sydney School of Veterinary Science at the University of Sydney, started her professional journey in semi-mixed practice in rural South Australia. Subsequently, she completed a rotating internship at Massey University in New Zealand.

Returning to Adelaide, Dr Stowe joined an emergency and referral hospital, continuing her commitment to delivering high-quality veterinary care.

An international opportunity led Dr Stowe to work as an Environmental Health Officer and Associate Veterinarian. Having recently returned to Australia, she has resumed clinical practice at UVTHS, driven by a keen interest in surgery.

Beyond the clinic, Dr Stowe enjoys travel and exploring new places.

Rotating Interns

Kwei was born and raised in Taiwan but has made Australia her home away from home. She is a 2022 graduate of Murdoch University, where she developed a special interest in feline medicine, clinical pathology and clinical research. She then went on to work in a busy small animal practice, providing primary care. Simultaneously, she also worked in a research laboratory, investigating molecular therapy for canine sepsis. Hailing from Perth, she joined the UVTHS in 2024 for further training to elevate the level of care provided to her patients.

Outside of her professional endeavours, Kwei possesses a keen enthusiasm for baking, as well as spending quality time with her five beloved rescue cats. She pays them frequent visits back in Perth and you may find her leash walking her cat around her neighbourhood!


Originally from the Northern Beaches, James graduated from Charles Sturt University in Wagga Wagga in July 2022. After working in Mudgee in mixed practice for over a year, he transitioned to locum work around Sydney and the Central Coast before joining UVTHS.

James is particularly interested in surgery, emergency, and zoo animal medicine, eager to explore the full spectrum of the hospital's offerings. Outside of work, he enjoys playing golf, skiing, boating, and spending quality time with his Wirehaired Pointer, Harry.