Holger is currently Professor of Small Animal Diseases and the Head of Department of Small Animal Medicine and Surgery, University of Veterinary Medicine Hanover, Honorary Professor of Veterinary Neurology and Neurosurgery, Royal Veterinary College, London and Affiliate Professor of Veterinary Neurology, University of Copenhagen. He graduated from the University of Veterinary Medicine Hanover in 2001, where he also did his PhD in Neuropharmacology studying basic mechanisms of drug-resistant epilepsy. He has been a recipient of several Jim Bee educator excellent in teaching awards, the prestigious Bourgelat Award from BSAVA, and the International Canine Health Award from the Kennel Club, and the Royal College of Veterinary Surgeons (RCVS) International Award. In 2022, Holger became fellow of the RCVS for Meritorious Contributions to Clinical Practice. He has published multiple books and book chapters, >280 articles, >170 conference abstracts, and is a frequent flyer on the international conference circuit.