Pathologist spotlight

We are very excited to recently have two fabulous new pathologists join our team. Let us introduce you to Wilson Karalus and Sandra Bulla.

Wilson Karalus graduated from Massey University in 2013 and spent the first three years of his career in dairy practice in Canterbury. He then moved to Portland Oregon, USA and worked as a small animal GP and ER veterinarian for four years, before returning to Massey University to complete a residency in anatomic pathology. He has since completed an MVS at Massey and plans to sit the final ACVP board examinations in August 2024.

Wilson enjoys all aspects of diagnostic pathology and is particularly interested in production animal infectious diseases, and neoplasia of any species.

Wilson lives in Palmerston North, with his wife, their two young children, and terrier cross Squid. Outside of work, you can find him in the garden with his boys, running the streets, or down at the skate park. He also loves to get outdoors and takes any opportunity he can to go camping, or snowboarding.


Sandra Bulla received her DVM from the Universidade Federal do Parana, Brazil, where she also completed a Master’s degree in animal pathology.

In 2009 she moved to the USA and completed a PhD in Veterinary Medical Science as well as a Clinical Pathology residence at Mississippi State University. During that time, she had extensive experience in basic research and teaching veterinary students. She passed the ACVP board examination in 2021 and worked remotely as a Clinical Pathologist at Companion Animal Health for 14 months. She has been working as a Clinical Pathologist for Awanui Veterinary since March 2024 and is based in Christchurch.

Sandra says she loves being a Clinical Pathologist and enjoys haematology and cytology from small animals the most.

When not at work, Sandra likes spending time with her family, her husband Camilo and their two children. They enjoy walking on the beach, scuba diving and exploring the outdoors.