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Expertise, pooled expert power and forward thinkers with the ideas of tomorrow – Thinking Circular Experts brings together a ‘who’s who’ of the Circular Economy. Setting new standards and taking the issue into society; those are our experts’ aims.

Concepts and ideas should be discussed with the correct people in the ideal place at the appropriate time. Are you looking for speakers, presenters, drivers of innovation on the Circular Economy? Then, you are in the right place. We can introduce you to specialists, expert forward thinkers, influencers and idealists.


Our team


Eveline Lemke

Founder Thinking Circular ®

Minister of State o.d., Rheinland-Palatinate
B.Sc. Economics and Management
Merchant in Wholesale and Foreign Sale

Consultant, expert and guide in the circular economy. In Rhineland-Palatinate, she was the first Green Economy Minister and Deputy Prime Minister to initiate many sustainable projects until 2016. She is an expert on energy and commodity change issues.

Teamexpert Organization

Jutta Bruns

Office Management

In her hands all the threads come together. The experienced event expert can not be upset easily. A smooth process for all is her mission, small and big challenges are solved with good humor.

She supports and accompanies our project Education for Sustainable Development (BNE) at the Umweltlernschule+ of the AWB in Niederzissen.

Project Management Office

Inken Lillpopp

M.A. European Studies, B.A. English Studies, Scandinavian Studies

Leading the Erasmus+ project CASCADE, Inken works on digital solutions for the Circular Economy. She supports our team with her skills in marketing and social media and sometimes with sun-ripened fruits from her own garden. As an enthusiastic hobby beekeeper, she contributes her experience with large colonies and sometimes a jar of sweet honey.

Mandatory Internship

This could be your name

Bachelor or Master students in Business Administration, International Business, Sustainability Management or equivalent.

Our interns work together with experienced consultants on specific customer projects, market studies and research. Within the team, they are assigned a defined area of responsibility, which they work on independently. Each intern is assigned a permanent contact person. Operational tasks that ensure the smooth running of the projects are also part of their responsibility.



Our Experts from FZ-Recycling


The Close-the-Loop Design Team

Dr. Frank Ziebeil

CEO, FZ-Recycling Gmbh & Co. KG
Dr.-Ing. Production Engineering

The mechanical engineer has extensive experience in the development of machinery as well as international experience as managing director in companies in the automotive and mechanical engineering industries in Europe as well as in South and Central America.

Leif Ziebeil

COO, FZ-Recycling Gmbh & Co. KG
B.Eng.Process and Environmental Technology
Merchant, Instructor
Water Supply Technician

Responsible for the operational area of ​​the company, he always looks for further problems in order to develop new processes with which more and more raw materials can be recycled into the material cycle.


Our Expert in Review and Reporting

Teamexpert Environmental Review

Susanne Volz

M.Sc. Environmental Sciences
Dipl. Economy Attorney

As a lecturer and entrepreneur, she sees her role as a translator of science in practice. She also gained experience working in the European Commission and developing training on the introduction of circular economy in companies.


Our expert in international relations

Thinking Circular Experte Martin Lees

Martin Lees

The former UN Assistant Secretary General, Secretary General of the Club of Rome, and Senior Adviser to the Presidency of COP 20 is currently the Chair of the OECD-IIASA Task Force on Systems Thinking, Anticipation and Resilience. He is supporting the University of Koblenz-Landau in its programme on Systems Thinking and Education.

Get in touch with us!

Do you have any questions for our experts? Would you like to get in touch with us? We would be delighted to respond to your request.

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