Who is who

Mateja Medić

President of the association
Sustainable Living Workshops Manager

Mateja Medić is currently leading the Our Good Food project and an education program through which she organizes various educational events and activities for our users. She enjoys educating children and adults how to live sustainably through various lectures and creative workshops focusing on healthy eating and sustainable consumption, waste and creative reuse of discarded things and materials.


Una Milić

Secretary of the association
Office Manager

Una is an economist with experience in administrative work, knowledge of finance and business organization. Due to her own interest in the environment and increasing concern for the environment, she decided to develop professionally in that field and started graduate study "Energy and Environmental Economics". She joined ZMAG because of her sense of belonging to the civil sector and social activities and the need to contribute to the betterment of the community in accordance with her knowledge and skills.


Matko Šišak

Recycled Estate and Natural Building Academy Manager

The initiator and manager of the Vukomerić Recycled Estate and one of the founders of ZMAG. For the last 20 years, he has been researching, practicing and promoting ecological technologies and innovations in the fields of construction, do-it-yourself culture and permaculture. As an educator and a consultant, he systematically shares his knowledge from the aforementioned fields with the general and professional public. He is the author of several books and publications, the editor of a dozen editions from the Green Tools publications. He is the Natural Building Academy Manager.


Dražen Šimleša

Social change and good economy activist

Fascinated by the idea of creating a recycled estate, Dražen has been a part of ZMAG’s story almost from the very beginning. Today he is the coordinator of the Centres of Knowledge program and the Manager of the Cooperative for Good Economy. He is the coordinator of the European Network for Solidarity Economy - RIPESS. Dražen is also teaching far and wide about the practical application of sustainable development and solutions for a better world.


Kristijan Perlić

Builder and designer of massive rocket furnaces

Construction Manager of the Recycled Estate in Vukomerić who has been researching and building massive rocket furnaces for 10 years. For the last 5 years, Kristijan has been building houses from hard baled straw, green roofs and clay mortar, and providing education in these fields.


Ivan Zoković

Expert associate on the JEDRO Project - Public policies for sustainable social development: water, energy, waste

Expert in the development of renewable energy projects initiated by the local community. Co-founder of energy cooperatives in Croatia. He had the opportunity to share his experiences in Central Asia (Tajikistan), where he worked in cooperation with the UNDP as a technical expert on renewable energy sources and energy efficiency. Ivan is currently working on a co-production project and management models for the production of electricity from photovoltaic power plants involving citizens.


Petra Pavleka

Community Seed Bank Project Manager


Sonja Mikulek

Community Seed Bank Active Member



Ivana Vrančić