Meet The Team

Meet the staff at the Roseworthy Veterinary Hospital who will look after you and your animals.

Companion Animal Health Centre

Suzanne Baum

Practice Manager

Suzanne has an interest in advanced nursing in poly-traumas, neurology and sepsis. She's currently building a mini farm at Allendale North with her partner, four dogs, three cats, three birds and 25 chickens.

  • Companion animal veterinarians

    Professor Peter Hill

    Passionate about treating skin diseases, Peter is the only veterinary dermatologist in the world to have been board certified as a Diplomate in the UK, Europe and the USA, as well as having a PhD. At home, his skills are occasionally called upon by Stanley the Terrier dog and Maui and Tilly, the family cats.


    Associate Professor Anne Peaston

    Anne is an international cancer expert with experience across veterinary clinical medicine and biomedical research. Her garden at home is an abundance of Australian native plants to attract vertebrate and invertebrate wildlife, while minimising her cats' access, to their displeasure!

    Dr Olaf Schaaf

    Olaf is small animal surgeon with a keen interest in arthroscopy and orthopaedics, challenging lameness and neurosurgery. You'll also find Olaf windsurfing or spending time with his daughters; Murphy, the crazy Jack Russell Terrier; Flynn, a sweet Staffy x Dachshund; Higgins, a smoochy Rag Doll; and two chirpy budgies.

    Dr Anthony Nicholson

    While he's now anaesthetising mice to elephants and everything in between; Anthony's interests were originally in the respiratory anatomy and physiology of marine mammals. In his spare time, he enjoys cat-herding (Gordon-Bennett, Beanie, Perch and Freddy), Pippa the dog, photography, music and cooking.

    Dr Peter Hutchison

    Peter’s interests lie in emergency medicine, small animal surgery and exotic pets. He currently spends his time with domestic short-haired cat Donut and Ixy the kelpie. His past acquaintances include Ginger the axolotl; Thomas the tortoise and Jeffery Gary Williams the giant panda snail.

    Dr Greg Riessen

    After having gained experience in both mixed and small animal practice both here and overseas in the UK for 10 years, Greg developed a keen interest in small animal emergency and critical care whilst working for the UK's largest provider of emergency care, Vets Now.  In 2014 Greg relocated back to his native hometown Adelaide with his wife and two kids before joining the team at Companion Animal Health Centre in 2018.  Greg is currently working towards gaining his memberships in Emergency and Critical Care.


  • Nurses and centre staff

    Nurses                                               Client services                                   Technicians                                                

    Nurse Coordinators:

    Veterinary Nurses:

    • Alicia Bryant
    • Jodi Kotsano
    • Chris Collard



















Equine Health and Performance Centre

Casey Hogan

Casey Hogan

Practice Manager

Casey is a graduate of the University in horse husbandry and management and has more than a decade of experience working for the South Australia Police Mounted Operations Unit. In her free time, she trains and competes her own horses.

Casey Hogan

  • Clinicians

    Dr Surita du Preez

    South African veterinary graduate Surita, enjoys all aspects of equine medicine with a specific interest in neonatal and adult critical care, ophthalmology, neurology and respiratory disease.

    Associate Professor Sam Franklin

    Sam specialises in exercise physiology and equine sports medicine, with a particular focus on cardio-respiratory causes of poor performance. She was responsible for the development of the 'overground endoscopy', an advanced imaging technique to diagnose airway problems that occur when a horse is exercising.

    Dr Erik Noschka

    Erik's areas of special interests include general, soft tissue, upper airway, colic and minimal invasive surgery. He's been with us since 2011 and contributed to the construction and equipping of the Equine Health and Performance Centre.

    Dr Olivier Simon

    With a strong and diverse clinical background in every aspect of equine surgery and lameness examination, Oliver has a special interest in laparoscopy techniques, including the development of some novel procedures; transendoscopic laser surgery; and the management of sub-chondral bone cyst-like lesions.

    Dr Gustavo Ferlini Agne

    Dr. Gustavo Agne attained his veterinary degree from the Federal University of Rio Grande do Sul, Brazil, in 2011.  Gustavo has since completed an internship, fellowship, and a combined master’s and Large Animal Internal Medicine Residency program in the USA, prior to moving to South Australia in 2018. He attained Diplomate status within the American College of Veterinary Internal Medicine in February 2019. Gustavo has a passion for all aspects of equine medicine with a specific interest in cardiology, endocrinology, neonate and adult emergency and critical care, ophthalmology, respiratory diseases, as well as neurology.

    Dr Lidwien Verdegaal

    Dr Lidwien Verdegaal qualified as a Doctor of Veterinary Medicine at Utrecht University, The Netherlands, in 1996. After completing her residency, she qualified as an Equine Medicine Specialist with the Royal Dutch Association of Veterinary specialists and is a Diplomate of the European College of Equine Internal Medicine (ECEIM). She gained a wide range of clinical experience in equine medicine working at private hospitals in the Middle East: for the Jordanian Royal Family in Jordan and in Kuwait. She moved to South Australia in 2011 and is passionate for all medicine cases, in particular emergency and critical care and sport medicine. Her current part-time PhD research into heat stress & thermoregulation of exercising horses is closely complete.

    • Dr Kirsty Gallacher(external link) - Equine Theriogenology
    • Dr Belinda Noble - Equine General Practitioner
  • Nurses and centre staff

    Nurses Client services                 Technicians
    • Lee Appleby 
    • Lauren Medlock
    • Rachael Pittam
    • Gregg McKee
    • Alison Gray
    • Alana Pitts
    • Sarah Nixon
    • Katie Barber
    • Nina Fitzell

Production Animal Health Centre

  • Production Animal Health Centre staff

    Dr Roy Kirkwood

    A well-travelled and vastly experienced vet, Roy is an expert in swine production medicine. He is a field and online consultant and teaches vet students in this area. His current research is in the areas of seasonal infertility, controlling reproduction, impact of sow housing on welfare and reproductive function, farrowing and lactation management, and influences of the gut microbiome on pig performance. 
    He lives with his wife Su, kids Michael and Rowena and Samara the Labrador. 

    Dr Colin Trengove

    Colin is a lecturer in ruminant health and production whose career spans employment in Primary Industries, mixed veterinary practice, livestock consultancy and academia - all in SA. His research explores the interaction between macro and trace element nutrition; grazing management; and water quality on animal health and production. Colin and his wife Deb enjoy spending time with their grandchildren; and their 4-year old Australian Shepherd, Tilly, who loves daily walks along the nearby creek and nature reserves.

    Associate Professor Kapil Chousalkar

    Kapil is an Associate Prof and Associate Dean (Student Engagement) at the School of Animal and Veterinary Sciences and is now leading the food safety and avian health research group at the University of Adelaide. Kapil provides veterinary consultancy to poultry farmers in SA through the veterinary clinic and also teaches avian medicine, food safety, poultry production and quality to veterinary and animal science students. He is also a National Advisory Council member of The World Poultry Science Association (WPSA) and an expert panel member for council for sustainable egg farming in Australia.

    Associate Professor Kiro Petrovski

    Originally from Europe, Kiro started working with dairy cows at age of 11. With a lifelong interest in animals and animal health, he completed his undergraduate education and then worked as a veterinary practitioner in Europe before migrating to New Zealand and working as a mixed animal practice veterinarian for 3.5 years before taking up the position of Senior Research Officer with special interest in lactational physiology and bovine mastitis at Massey University. In 2012 he moved to Australia to take up a position of Senior Lecturer in Production Animal Health/ Ruminant Health.

    Veterinary technicians

Veterinary Diagnostics Laboratory

Veterinary Diagnostic Laboratory Manager (Acting) - Tracey Murnane

Pathologists Technicians