Marzena Czarnecka is a habilitated doctor of economic sciences, legal advisor. She is an assistant professor at the Department of Law and Insurance at the University of Economics in Katowice, as well as a lecturer at numerous universities in Europe, including University Saarbrucken, Germany, and the University of Granada, Spain. She is a judge at the Disciplinary Court of the District Chamber of Legal Advisors in Katowice. She is the manager of several international and national projects, as well as an author and co-author of domestic and foreign publications in the fields of energy, energy law, and consumer protection. She is a practicing attorney at law.