Mateusz Grochowski holds a Ph.D. degree in private law from the Institute of Law Studies of the Polish Academy of Sciences. He has been employed as a researcher and lecturer at the European University Institute (Florence), the University of Trento and the University of Wroclaw (post-doc), as well as works as a Member of the Office of Studies and Analyses of the Supreme Court of Poland. He is a Fellow of the European Law Institute and was a visiting researcher at the Fordham Law School and the Max Planck Institute for Comparative and International Private Law (Hamburg). For his research achievements, he has been awarded scholarships by the Foundation for Polish Science and the National Science Center. In 2016 his doctoral dissertation received the prize for the best Polish dissertation in private law. Currently he is an LL.M. candidate at the Yale Law School and carries out post-doctoral research on the impact of e-contracting on the theory of default rules. He also works on private law perspectives of online platforms, consumer law and self-regulation in electronic contracting.