Marianne M. Sloet van Oldruitenborgh-Oosterbaan, DVM, PhD, Dipl. ECEIM, Spec. Equine Int. Med. KNMvD,  graduated in 1982 cum laude at Utrecht University. She obtained her PhD in 1990 with a thesis entitled "Heart rate and blood lactate in exercising horses".

In 1982-1983 she worked part-time in a general practice and part-time at the Department of Large Animal Medicine, Utrecht University. Since 1983 she has worked full time at the University. Between 1996 and 2006 dr. Sloet was head of the equine internal medicine clinic and presently she is associate professor in the Department of Equine Sciences.

In 2001 dr. Sloet became an Invited Diplomate of the European College of Equine Internal Medicine. She was president of this College for 7 years, served 3 years as past-president and is now a honorary member of this college.

Further, she was president of the Board of Animal Arbitrage of the Netherlands, member of the Council for Animal Affairs and member of the Ministerial Advisory Committee for Emerging diseases of Animals. Prof. Sloet is still veterinary advisor of the Dutch National Equestrian Federation, the Royal Dutch Warmblood studbook (KWPN) and the Royal Friesian Studbook. She acts regularly as FEI Veterinary Delegate at international horse shows and is FEI head veterinarian for the Netherlands since 2001. She has been vice-president of the Netherlands Equine Veterinary Association (NEVA) between 2013-2019 and she still is chair of the Animal Health Committee of the Sectorraad Paarden since 2015.

Her topics of interest are equine exercise physiology, equine sports medicine, equine dermatology, forensic medicine and equine emerging diseases. Her hobbies are her family, wild life photography, scuba diving and some pleasure riding. 

• Presentations in equine internal medicine