Klaus Hopster is an Assistant Professor of Anesthesiology at the School of Veterinary Medicine of the University of Pennsylvania and a diplomate of the European College of Veterinary Anesthesia & Analgesia (ECVAA). He also is a German Veterinary Medical Association-recognized specialist in Veterinary Anesthesia, Intensive Care, and Pain Management (Fachtierarzt für Anästhesie, Intensivmedizin und Schmerztherapie).

Klaus received his DVM degree from the Hannover School of Veterinary Medicine in Germany in 2006. He then spent a rotating internship at the Equine Hospital of the same veterinary school. During this time, he was enrolled in a doctorate program under supervision of Prof. Bernd Ohnesorge that he completed in 2007 with a thesis entitled “Open-Lung-Concept ventilation during general anesthesia of the horse and its influence on the early post-operative period”. From 2007 to 2011 Klaus was enrolled in an ECVAA-approved residency program in Veterinary Anesthesia and Analgesia. After successful conclusion of this program he obtained the ECVCAA diplomate status in December of 2011. Upon finishing his training program, Klaus accepted the position of Senior Lecturer in Anesthesia, Pain Management, and Critical Care at the Hannover School of Veterinary Medicine's Equine Hospital that he held until his departure to the University of Pennsylvania in 2016.

Over the past 10 years Klaus’ research activities have focused on intraoperative lung function and tissue oxygenation in the horse. Before leaving the Hannover School of Veterinary Medicine he completed numerous investigations culminating in his habilitation (equivalent to Ph.D.) thesis that describes the influence of general anesthesia on intestinal perfusion and oxygenation in the horse. He has published numerous other original scientific and reviews articles, book chapters, abstracts, and proceedings in the field of veterinary anesthesiology and is a frequent speaker at national and international conferences and seminars.

Klaus is member of the Association of Veterinary Anaesthetists (AVA), the European College of Veterinary Anaesthesia and Analgesia (ECVAA) and the Anesthesia, Intensive & Emergency Care, and Pain Management (VAINS) section of the German Veterinary Association (DVG).