Massimiliano Montini is Associate Professor of European Union Law at the University of Siena (Italy). His main research areas cover International and EU Environmental, Energy, Climate Change and Sustainable Development Law and he has widely published in these areas. He is Founder and Director of the Environmental Legal Team (ELT – www.elt.unisi.it) , a University-based research and consultancy team of lawyers located within the University of Siena; moreover, he is Co-Director of the R4S (Regulation for Sustainability – www.r4s.unisi.it) Research Group at the University of Siena. He is a Member of the Board of Trustees of the Avosetta Group, an association of distinguished European environmental lawyers, and a Member of the TEN Center of the Venice International University. Moreover, he is a fully qualified lawyer.