Joint Implementation Netwok is formed by :
Prof. Dr.Catrinus J. Jepma LL.M is currently professor of International (Environmental) Economics, appointed at the University of Amsterdam, the University of Groningen, and the Open University, the Netherlands. Since 2005, he holds a chair on Energy and Sustainability at the University of Groningen and is scientific director of the Energy Delta Research Centre (EDReC) of the same University. His fields of specialisation are: Energy economics, International environmental economics and International economic policy coordination. He was a.o. convening lead author, coordinating lead author and lead author of the IPCC Working Group III SAR, TAR and FAR respectively. He was the project coordinator of a large number of research projects - including the PROBASE project - and advises various bodies - including the Netherlands government - on various issues, including energy and climate policy issues (e.g. ERUPT and CERUPT). He currently chairs the National Working Group on Clean Fossil Fuel and Carbon Capture and Storage and CNG for mobility, and is actively engaged in the national energy transition management plan towards sustainable energy systems. He published a large number of scientific articles and books, and is in the editorial board of a number of scientific journals. He is editor-in-chief of the Joint Implementation Quarterly.
Wytze van der Gaast MSc. is senior researcher at JIN and editor of the JIQ. He has participated in the research projects carried out by JIN on Activities Implemented Jointly and the Kyoto mechanisms and was one of the coordinators of the PROBASE research project (2002). From 2003 to 2005, he participated in the SYNERGY project "Business Opportunities for CDM Project Development in the Mediterranean." From 2004 to 2006, he was involved in the Asia pro-Eco programme project on "Establishing an EU-Asian dialogue on the CDM: capacity building and identification of project opportunities." In 2006, he participated in a study project within the context of the EU-Thailand Economic Cooperation SPF on the impact of the CDM Linking Directive for Thailand (coordinated by ERI, Thailand). During 2006-07, he is member of the coordinating team of ENTTRANS - a project on the diffusion of sustainable energy technologies to developing countries via the CDM (EU Sixth Framework Programme) and is a Ph.D candidate at the Faculty of Economics of the University of Groningen.
Eise Spijker MSc. is a graduate from the University of Groningen and joined Foundation JIN in 2005. He has been involved in a variety of research projects on energy and climate related topics, mainly covering economic and policy issues. Throughout his work he has gained specific knowledge on the functioning and optimisation of electricity and gas markets and is active in the area of carbon capture and storage (CCS), a.o. in the preparation of an advice to the Netherlands Government on CCS opportunities in the Netherlands. Currently, he is participating in a research project for innovative incentive structures for biomass and waste based conversion technologies. Other activities involve knowledge transfer in the area of sustainable mobility and the Kyoto Protocol flexibility mechanisms.

Vlasis Oikonomou, Dr. is a graduate PhD from the University of Groningen and joined Foundation JIN in 2009. He worked as an intern to the Ministry of Economics in the Netherlands, in the carboncredits.nl team that is the Dutch subsidy organization for the CO2 reduction projects. After his studies, he worked as a Junior Researcher in Copernicus Institute, University of Utrecht, where he participated, among others in an EU SAVE project, called "White and Green" that deals with the certificate mechanisms for climate change, energy efficiency and renewable energy. He is appointed as the Dutch expert on the White Certificates team of the International Energy Agency/ Demand Side Management program and is participating on the International Energy Agency/ Demand Side Management program on Micro demand response and energy saving. He has acquired his PhD in the University of Groningen, focusing on the interactions of White Certificates with other market policy instruments in the EU and has several publications on international journals and conferences. He speaks English, French, Dutch, German, Spanish and Greek (native).

Anna van der Gaast - Witkowska graduated from the University of Wroclaw in Poland. She has a master degree in English language and culture. Within the JIN team, she is editor of the Joint Implementation Quarterly.