Whilst studying at the Faculty of Law of Palacký University in Olomouc, where he obtained both a Bachelor’s and Master’s degree in law, Marek undertook a placement at a medium-sized law firm specialising in general practice. After completing his studies, he joined Správa železnic, s. o., in the public procurement department, where he focused primarily on public construction contracts. At the Solkind law firm, he specialises primarily in the field of public procurement.