David Speksnijder works as assistant professor at the Sustainable Ruminant Health unit within the Faculty of Veterinary Medicine of Utrecht University. He is a teacher focusing on bovine medicine and a researcher in the area of infectious diseases and antimicrobial use in farm animals. He was and is involved in several research projects domestically and abroad, mainly focusing on supporting the prudent use of antimicrobials in farm animals to avoid the emergence and spread of antimicrobial resistance as much as possible. His research activities are characterized by a strong multidisciplinary approach in which there is intensive collaboration with scientists from various disciplines in a One Health approach. Additionally, David is affiliated with the University Farm Animal Practice, where he works as a ruminant veterinarian, teacher, and a researcher.