Maciej M. Sokołowski (PhD summa cum laude, DSc) is a graduate of the Center for American Law Studies who has been affiliated with his alma mater the University of Warsaw, the Faculty of Law and Administration for a long time. Currently he is a Specially Appointed Associate Professor at the Faculty of Policy Management of Keio University, Japan. Maciej has experience in energy law and energy sector (15 years), he wrote more than 80 papers and reports on energy sector (H10), including three solo books: Regulation in the European Electricity Sector (Routledge, 2016), European Law on Combined Heat and Power (Routledge, 2020), and Energy Transition of the Electricity Sectors in the European Union and Japan: Regulatory Models and Legislative Solutions (Palgrave Macmillan, 2022). He co-edited Special Issue of Energy Policy (“Energy Policy Failures”) and Special Issue of Transforming Government: People, Process and Policy (“Green Artificial Intelligence”), as well as co-edited three books, including Routledge Handbook of Energy Communities and Smart Cities (Routledge, 2023). Maciej is a fellow at the Sustainability College Bruges, member of the SI Network for Future Global Leaders, the Polish Electricity Association, the Australian Network for Japanese Law, the Japan Association of EU Studies. He was awarded the Swiss Government Excellence Scholarship, the Swedish Institute Visby Program scholarship, the municipal government of Shanghai scholarship, and recently the Prime Minister of Poland’s Research Award. Apart from his research interests Maciej is a shamisen performer skilled in the use of nunchaku.