Han Opsomer received his Master's degree in Veterinary Medicine from Ghent University in 2016. After working as a scientific assistant and a practioner in Belgium and England, he enrolled in the ECVCN residency programme in Zurich under the supervision of Prof. Liesegang in 2019. In September 2022, he succesfully sat the certifying exam and is since then registered as a European Specialist in Veterinary and Comparative Nutrition.