Dr. Luke Johnston is a highly accomplished specialist who graduated with honors in Veterinary Science from the University of Queensland in 2015. Driven by a passion for specialty training, he completed a rotating internship at VSS, followed by a rigorous 12-month internship at VCA San Francisco. Returning to Australia, he rapidly completed his residency and attained his fellowship in 2021, cementing his status as a Registered Specialist in Small Animal Internal Medicine. Throughout his career, Dr. Johnston has cultivated an exceptional depth of knowledge by practicing at premier hospitals internationally and across Australia, including SASH (NSW), PenVet (VIC), VSS (Gold Coast), AVC (Melbourne), and VCA San Francisco. A dedicated leader in his field, he has served as both President and Vice President of the Small Animal Internal Medicine chapter of the ANZCVS, as well as Head Subject Examiner for specialist exams. He now leads the medicine team at GVH University of Melbourne as head of the medicine department. On top of being a published author his passion for teaching led him to deliver over 50 lectures internationally and nationally last year. Supported by a belief that the more knowledge we share the more animals we can help. His clinical passions span the breadth of internal medicine, with special interests in gut nutrition, disease and dysbiosis, immunology, fungal diseases, endocrinology, and neurology.