1. Collège IdEF- Université Paris XIII/Sorbonne Paris Cité, France; Research Associate, Athens Public International Law Center (AthensPIL), School of Law, National and Kapodistrian University of Athens, Greece
2. West Virginia University, Eberly College of Arts and Sciences, John D. Rockefeller IV School of Policy and Politics, Department of Public Administration; West Virginia University, Energy Institute; West Virginia University, Center for Innovation in Gas Research and Utilization (CIGRU); West Virginia University, Institute of Water Security and Science (IWSS), Morgantown, WV, USA. Founder, Presiden
3. Sant’Anna School of Advanced Studies; Institute of Law, Politics and Development, Pisa, Italy and gLAWcal—Global Law Initiatives for Sustainable Development (UK)