Surgery Staff

Professor Kenneth A Johnson - Clinical Professor of Orthopaedics

Professor Kenneth A Johnson

MVSc PhD FACVSc Diplomate ACVS and ECVS
Clinical Professor of Orthopaedics
Director of Orthopaedic Surgery

Professor Johnson returned to The University of Sydney as a Clinical Professor and Director of Orthopaedics. He has specialist qualifications in surgery as a Diplomate of American College of Veterinary Surgeons, a Diplomate of European College of Veterinary Surgery, as well as being a Fellow of Australian College of Veterinary Scientists.

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Associate Professor Max Zuber - Lecturer in Small Animal Surgery

Associate Professor Max Zuber


Max graduated from Sydney University in 1969 and qualified as specialist animal surgeon, and a Fellow of the Australian College of Veterinary Scientists in 1985. Max has a part-time appointment at the University Veterinary Teaching Hospital, Sydney as Honorary Associate Professor of Surgery with responsibility for teaching surgery to final year students and developing computer based learning programmes for medical and surgical teaching. Max, has a particular interest in orthopaedics, oncology and nuclear medicine and is a partner at the Gladesville Veterinary Hospital in suburban Sydney.

Associate Professor Katja Voss - Senior Lecturer in Small Animal Surgery

Dr Katja Voss

Head of Surgery
Dr med vet Diplomate ECVS
Small Animal Surgery Specialist

Katja graduated 1994 in Switzerland at the University of Zurich. After obtaining her doctoral thesis, she gained experience in general practice for 4 years. She then went back to the University of Zurich to complete an internship and a surgical residency. In 2004, she obtained the ECVS Diploma (European Small Animal Surgery Specialist). The following years Katja occupied a leading position in the Small Animal Surgery team of the University of Zurich as Assistant Professor, until she started working at the UVTHS in 2009. Katja’s research activities focus on orthopaedic surgery topics, in particular trauma and stifle surgery, and gait analysis. Katja loves surgery in cats and is co-editor and author of a book on feline orthopaedic surgery and musculoskeletal disease. She is regularly invited to speak at international courses and meetings.

Dr Chris Tan - Specialist in Small Animal Surgery

Dr Chris Tan

BVSc BSc (Vet) FANZCVS Diplomate ECVS

European Specialist in Small Animal Surgery

Chris graduated from The University of Sydney in 2000 and worked in general practice in Australia and the UK before commencing a surgical residency at the University of Sydney. In 2014, he was admitted as a fellow of the Australian College of Veterinary Scientists and Diplomate of the European College of Veterinary Surgeons. At present, Chris is completing a PhD in joint kinematics at the Surgical and Orthopaedic Research Laboratories, UNSW, whilst continuing to teach at all levels of both undergraduate and post graduate surgical training.

Dr Alastair Franklin – Specialist in Small Animal Surgery

Alastair Franklin


Alastair graduated from Pembroke College, Cambridge in 2001 with a Bachelor’s degree in Veterinary Medicine, preceded by an intercalated degree in Biological Anthropology. He spent 5 years working in London, initially for a private small animal practice then a large charity hospital, before relocating to Sydney. In 2007 he attained both the RCVS Certificate in Small Animal Surgery and Membership of the Surgical Chapter of the Australian College of Veterinary Scientists by examination, following which he completed an internship and subsequent surgical residency at the Veterinary Specialist Centre, Sydney. Alastair gained Fellowship of the Australian and New Zealand College of Veterinary Scientists in 2012, and Specialist status in 2013. Alastair has particular clinical and research interests in oncological surgery, joint surgery and trauma management.

Dr Laurencie Brunel - Specialist in Small Animal Surgery

DVM MVSc Diplomate ECVS

Laurencie graduated from the University of Nantes, France in 2006. She then completed an internship in Small Animal Medicine & Surgery at the University of Maison-Alfort in Paris, followed by a surgical internship at the University of Lyon. In 2008, she moved to Belgium where she completed a residency in Small Animal Surgery at the University of Liège.
In 2010, she obtained a Master Degree in Veterinary Sciences. After her residency, she worked as a Junior Lecturer in the Small Animal Surgery Department at the University of Liège.
In February 2013, she obtained the ECVS Diploma (European Small Animal Surgery Specialist). She then moved back to France and spent a few months working in Marseille as a Small Animal Surgery Specialist.
Her special interests include neurosurgery, endoscopic surgery and minimal invasive fracture repair.

Dr Jack Neville-Towle - Resident in Small Animal Surgery

BVSc(Hons I)

Jack graduated from the University of Sydney in 2012 and after a short stint of general small animal practice in Sydney’s northwest, Jack pursued a rotating internship at the Western College of Veterinary Medicine, Canada. During this time, he had exposure to a range of cases in internal medicine, emergency and surgery. Jack has maintained a keen interest in small animal surgery since he started his training and his time overseas solidified this passion. Whilst he enjoys the diversity that surgery offers, he has a particular interest in minimally invasive techniques and joint biomechanics. He intends to pursue research in these areas during the coming years. Whilst not at work, Jack is observed by his British Shorthair, Mr. Bingley, who also recently emigrated from Canada.

Dr Rachel Basa - Staff Surgeon