Marcel qualified as a veterinary surgeon from The University of Veterinary Medicine and Pharmacy in Kosice (Slovak Republic) in 2004. Following his graduation he obtained a PhD in the field of allergology, pharmacology and immunology. After his PhD (2007), he joined a small animal practice in the UK. In 2008, he began a three year Residency programme in Veterinary Dermatology approved by the European College of Veterinary Dermatology at The University of Edinburgh which he completed in August 2011.

He was board-certified by European College of Veterinary Dermatology in 2012. He is a board member of the European College of Veterinary Dermatology, member of the European Society of Veterinary Dermatology and the Royal College of Veterinary Surgeons. In 2012 he moved to Slovakia and created one of the first, purpose-built specialist veterinary hospitals in Slovakia.
 
He is president of Slovakian Dermatology Study Group.