Jovan Rajić

Chairman of the Board


Jovan is an attorney at law with more than seven years of professional experience. He was working in Real Estate, Energy and Environmental departments of leading law firms in Serbia, representing highly reputable international clients and multinational corporations alike. He has worked on some of the pioneering renewable energy projects in Serbia and Montenegro, before he established solo practice in 2014.

He is expert in energy and environmental law, with particular focus on EU law. He was also engaged in several projects dedicated to compliance of domestic regulations with the EU acquis.

He is author of many articles and publications on themes related to domestic and European energy law. Jovan is founder of Renewables and Environmental Regulatory Institute (RERI) and founding member of Serbian Energy Law Association.

He is fluent in English. Member of Belgrade and Serbian Bar since 2014.

Mirko Popović

Programme Director


Mirko is experienced project manager, environmental activist and independent policy analyst.

After fifteen years of work with civil society, public authorities and international organisations Mirko gained advanced management, training and presentation skills. He is policy analyst and researcher dedicated to democratisation and citizens’ engagement in evidence-based policy debate.

His area of interest is Aarhus Convention, Environmental Impact Assessment, EU environmental, climate and energy policy, adoption and implementation of EU environmental standards in Serbia.

He published and edited various relevant publications related to environmental and energy governance, public participation, democracy and good governance.

Atila Mraznica

Head Litigator


Atila poses wide experience in representing clients in administrative procedures and disputes, civil litigation, criminal and misdemeanour proceedings. He also has years of experience in commercial law.

He spent two years in Dispute Resolution department at one of the leading regional law firms, prior to establishing his own practice. He represented domestic and foreign energy companies in court proceedings before domestic courts and authorities, as well as in Republika Srpska.

Atila is a member of the Belgrade Bar Association since 2012. He is fluent in Serbian, Hungarian and English.

Srđan Dugonjić

Legal Expert


Srđan is highly experienced in representing natural persons and legal entities in litigation, commercial, criminal, misdemeanor, bankruptcy, administrative and other proceedings before domestic courts and authorities. He has several years of experience in contract law, as well.

Srđan is a member of the Belgrade Bar Association since May 2013.

His focus is on representation before courts and administrative authorities, contract, employment and tax law.

Marko Pavlović

Legal Expert


Marko is one of the co-founders of RERI. He is a legal expert specialized for dispute resolution and “green” construction and sustainable development issues. Apart from this, Marko shows significant interest in climate change, both from the practical and scientific perspective.

Marko graduated in 2016 from the Faculty of Law, University of Belgrade and also worked in state and local institutions, tax departments.

He is fluent in English and speaks Spanish.

Hristina Vojvodić

Legal Expert


Hristina is a legal expert in the area of energy and environmental law. She shows particular interest for the environmental law of the EU, with the main focus on air protection. 

She graduated from Faculty of Law, University of Belgrade in 2016, among the best students in her generation. She continued her professional career in one of the leading domestic commercial law firms.

She is currently attending PhD programme at the Faculty of Law, University of Belgrade and she is the author of several academic papers in the field of ecology and commercial law. She is fluent in Serbian, English and French. 

Nikola Gagić

Legal Expert


Nikola is a Legal Expert in RERI since 2019. 

He has graduated from the Faculty of Law, University of Belgrade among the best students in his generation.  

He successfully completed international course on “Asylum and the European Convention on Human Rights”, organized by the European Programme for Human Rights education for Legal Professionals (HELP)- Council of Europe. Along with the interest for human rights, Nikola showed significant interest for the environmental law, during his student days. 

Nikola is currently attending LL.M. programme at the Faculty of Law, University of Belgrade, with the particular focus on Administrative Law and enforcement of law and access to justice in environmental related matters. 

He is fluent in Serbian and English and speaks German.

Ljubica Vukčević

Legal Expert


Ljubica is an attorney at law with years of professional experience in litigation and experience in representing domestic and foreign clients in the field of commercial law.

Ljubica also has experience in the field of international law, as an associate at the International Criminal Tribunal for the Former Yugoslavia in the Netherlands.

She is fluent in English.

Tamara Bosić

Project Coordinator


Tamara graduated from the Faculty of Security Studies in 2014, majoring in environmental protection, and completed her master’s degree at the Faculty of Forestry, majoring in environmental engineering with the aim of studying the problem of environmental protection from several aspects.

After completing her studies, she worked in a public institution, where she gained experience in the field of institutional nature protection, through the preparation of studies, projects, issuing conditions and opinions of protected natural areas. She is the author of several papers in the area of environmental management.

Tamara has been a member of RERI team since 2020, where she performs logistics and administrative work on projects, analysis of regulations and public policy documents, preparation of media releases and announcements on social networks.

She is fluent in English and Serbian, and speaks German and Spanish.

Marija Mraznica

Communication Manager

Marija is an independent designer with ten years of experience in various fields of design and organization of workflow. By combining knowledge in the field of graphic, web and UX design with social media marketing, she creates the recognizable identity of RERI.

She graduated in 2008 from the College of Fine and Applied Arts, University of Belgrade as an Interior Designer.

Marija is fluent in Hungarian and English.

Managing Board

  • Jovan Rajić, Attorney at Law, President of the Managing Board
  • Mirko Popović, RERI Programme Director and President of the RERI Assembly
  • Atila Mraznica, Attorney at Law, RERI Head Litigator
  • Sofija Mandić, Legal expert and human rights activist
  • Stevan Petrović, Environmental activist
  • Marko Pavlović, Legal Expert


Assembly Members

  • Jovan Rajić, Attonrey at Law, President of the Managing Board
  • Mirko Popović, RERI Programme Director and President of the RERI Assembly
  • Marko Pavlović, Legal Expert
  • Atila Mraznica, Attoreny at Law, RERI Head Litigator
  • Marija Mraznica, Designer, RERI Communication Manager
  • Nikola Gagić, Legal Expert
  • Stevan Petrović, Environmental activist
  • Nikola Stanojević
  • Hristina Vojvodić, Legal Expert
  • Tamara Bosić, Project Coordinator