After obtaining the title of Doctor of Veterinary Medicine in 2009 at the Faculty of Veterinary Medicine in Liège, Marc joined the internship and then the specialized surgical assistantship of VetagroSup Veterinary Campus in Lyon. In 2011, he joined the team of the Ric et Rac veterinary clinic in Le Cannet in the Alpes Maritimes to take the lead and develop the surgery department before becoming one of the partners in 2013. Today, he has management of the clinic. In 2017, he created and managed the Holding MyVet France which owns shares in 7 clinics on the Côte d'Azur.