Our Team

ISC3 – International Sustainable Chemistry Collaborative Centre

ISC3 Headquarters

Dr. Thomas Wanner

Managing Director

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Dr Thomas Wanner studied chemical engineering/process technology at the Technical University of Clausthal Zellerfeld and earned his doctorate in development of new polymer materials at the Technical University of Munich which he rounded off by an Executive MBA at the Mediterranean Business School in Tunis. He began his professional career at the Fraunhofer Institute for Process Engineering and Packaging in Freising at the department of material development where he was responsible for the development of polymers with novel functionalities. Since his time at GIZ, he has been responsible for topics such as business development, key account management, employment promotion, academic & vocational training, private sector development, water and wastewater management and infrastructure. He has worked in Germany and abroad and held positions as project-, programme leader, business consultant and head of department.

Dr. Claudio Cinquemani

Director Science & Innovation

M +49 175 4413883

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"Sustainability drives innovation: As a passionate scientist with 15 years of progressive operational experience and business insight, I believe I am in the best position to make a positive impact as Director of Research & Innovation at ISC3". Dr. rer nat. Claudio Cinquemani studied Environmental Engineering in Germany, Spain and New Zealand. He additionally holds a Ph.D. in Chemistry. Claudio´s interest has always been in developing green and sustainable processes for industrial applications. Academic research in biochemistry and green solvents led to a position in industry, where he optimized polymer use for technical applications. Analyzing and fostering innovative ideas and entrepreneurs is his daily business. His hobbies include rock climbing and doing outdoor activities with his young family.

Anna Isabel Becker

Specialist Policy & Communications

T +49 175 4476686

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Anna Isabel Becker worked for several years in public affairs, political & strategic communication and campaigning on German national and European level. She studied European Studies and Political Sciences in Germany, Portugal, Austria and Australia. At the ISC3 she will contribute to the ISC3 mission promoting sustainable chemistry worldwide and will ensure that the broad range of international stakeholders from multiple sectors and levels are involved.

Furthermore, Anna is engaged in increasing women representation in the public policy debate with the help of innovative online tools. With this experience she will also support the ISC3 “Gender and Sustainable Chemistry Initiative” and the growth of a network. Before joining the ISC3 Anna worked for a global communications consultancy.

Paola Bustillos

Advisor Climate & Sustainable Chemistry

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Paola Bustillos completed her studies as a Chemical Engineer at the Mayor de San Andres University in Bolivia, as well as her specialization studies on Material Flow Management at the University of Applied Sciences Trier and a Training Program on Climate Protection & Resources Management. She has more than 15 years of work experience in international cooperation projects, mainly in the area of climate change and environmental protection.

Oleg Ditkovskiy

Workstream Manager Science & Innovation

M +49 175 4476486

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Oleg Ditkovskiy studied Political Sciences and English Philology at the Universities of Heidelberg, Mannheim and Lancaster. In his final thesis he analysed the European chemical policy REACH. He has five years experience in chemicals management, regulations and communications as well as international development and public service. He contributed to the maintaining of the chemical conventions (Stockholm, Basel), created a classification system and a database for crop protection products, provided B2B-communication and advocacy in the field of chemical regulations in Bonn, Ludwigshafen and Brussels.

Janina Haubenreißer

Communications Manager

M +49 175 3489648

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Janina Haubenreißer worked for nearly 20 years in various roles in marketing and Board Offices in an international chemical company. She attained her bachelor’s degree in business administration. She gained profound knowledge about the chemical industry and sustainability while organizing various high-level conferences, which prepared her for her new challenge: helping to lead ISC3 to success.

Claudia von Heymann

Office Manager

M +49 175 4445169

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Claudia von Heymann worked for over 30 years as a bookseller and manager in the book trade before she wanted to learn something new and initiated a switch in her career: She passed the examination to become an office management assistant at the IHK (Industrie- und Handelskammer). At the ISC3 she now supports the directors "Science & Innovation" and "Policy & Communications" as well as the team at the headquarter in Bonn. She is also setting up an expert’s library for sustainable chemistry for the ISC3.

Désirée Nothnagel

Intern Capacity Building

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Désirée Nothnagel studied European Studies (B.A.) at the Maastricht University, as well as International Development Studies at the Wageningen University and Research (M.Sc.). She specialised in innovations, learned about biodiegradable foodpackaging solutions and focussed on sustainability and circularity in the fashion industry. This focus led her to Ho Chi Minh City, where she researched on eco-friendly solutions as an intern for a garment producer. Environmental protection and biodiversity are additional subjects she is passionate about, which is why she conducted her Master thesis research in the fields of nature conservation, biodiversity and rewilding. At the ISC3, she works as an intern for the Capacity Building team.


Christian Ruth-Strauß

Director Communications

M +49 175 4477136

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Christian Ruth-Strauss is a passionate professional with over ten years of experience in communications, campaigning, brand management, and project management. After studying sports science and communications in Cologne he has worked internationally in the chemical industry and in intergovernmental relations. His experience collaborating with federal ministries, industrial federations, and the media will support ISC3 to deepen its impact.


ISC3 Innovation Hub

Dr. Alexis Bazzanella

Director ISC3 Innovation Hub

T +49 69 7564-343

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Alexis Bazzanella studied Chemistry and received his PhD from Technical University Darmstadt. As Head of Research and Project Coordination at DECHEMA he has more than 15 years of experience in the initiation, implementation and management of research and innovation programmes and projects in the chemical sector on national and European level. He is author of several technology studies on energy/resource efficient and low carbon process technologies and has been member of the editorial and management team of the European Technology Platform on Sustainable Chemistry (SusChem).

Astrid Ewaz

Project Manager/Events ISC3 Innovation Hub

T +49 69 7564-623

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Astrid Ewaz graduated from the faculty of Translation Studies, Linguistics and Cultural Studies at the Johannes Gutenberg-Universität Mainz as a conference interpreter and translator with the working languages Italian, English, and Brazilian Portuguese. She also holds a certificate in German legal language from the Hochschule für Wirtschaft und Umwelt Nürtingen-Geislingen. Beyond working for international employers as an executive assistant and project manager in various industries, Astrid also founded her translation agency. Before joining ISC3, she worked in the international field as an Executive and Marketing Assistant, Project Manager, IT Responsible and Head of Administration. Most recently, Astrid worked in an EU-funded project supporting women entrepreneurs and women business angels.

Juanita Halblaub

International Relations ISC3 Innovation Hub

T +49 69 7564-668

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Juanita Halblaub has an MBA as well as a certification as “CPPM - Certified Professional Project Manager" from the University of St. Thomas in Minneapolis. Her strong interest in start-ups, international growth and new technologies led her to work as a consultant for economic development agencies, investment promotions as well as industrial parks and free zones from around the world. Her work included the generation of investment leads, the creation of programs for startups with the aim of transatlantic investment and innovation and the development of strategic partnerships with companies, government agencies and scientific institutions.

Juanita believes that entrepreneurs are bringing new ideas to the table, steering innovation, and generating change and economic growth.

Dr. Thomas Homburg

Innovation Manager ISC3 Innovation Hub

T +49 69 7564-384

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Thomas Homburg studied Chemistry in Germany and Sweden while researching and working in an Environmental Chemistry project at the National Oceanography Centre Southampton, in a Biotechnology project at the Hebrew University of Jerusalem, and in a Catalysis project at the Fritz Haber Institute of the Max Planck Society. As DBU and DAAD PhD fellow, he also investigated proton conductivity at the University Kiel and the University of Calgary. Before joining ISC3, Thomas worked in the field of polymer adhesives for a Swiss based company.

Thomas is very interested in the interplay of research, economics and law and is convinced that the transition towards sustainable chemistry lies in multi-disciplinary approaches.

ISC3 Research & Education Hub

Prof. Dr. Klaus Kümmerer

Director ISC3 Research & Education Hub

T +49 4131 677-2893

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Prof. Dr. Klaus Kümmerer is full Professor of Sustainable Chemistry and Material Resources and director of the Institute of Sustainable and Environmental Chemistry at the public Leuphana University. His research and teachings are focused on Sustainable Chemistry, Sustainable Pharmacy, Material Resources, Aquatic Environmental Chemistry, and Time in Ecology and Sustainability. He is founding and chief editor of the scientific and peer reviewed journals Sustainable Chemistry and Pharmacy as well as Current Opinion in Sustainable Chemistry. Furthermore, he serves as associate editor of Chemosphere and Environmental Pollution. Klaus Kümmerer serves in many national and international committees and chairs the International Green and Sustainable Chemistry Conference as well as the annual Summer School on Sustainable Chemistry of the ISC3.

Ann-Kathrin Amsel

Research Associate ISC3 Research & Education Hub

T +49 4131 677-2905

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Ann-Kathrin Amsel finished a training as a chemical laboratory technician and subsequently studied Environmental Sciences (B.Sc.) and Sustainability Science (M.Sc.) at Leuphana University Lüneburg. During her studies she specialized in environmental and sustainable chemistry and has gained experience in conducting inter- and transdisciplinary research. In her master thesis she worked with a combination of experimental and computational methods. At the ISC3 Research & Education Hub she investigates the potential of computational methods such as QSAR (quantitative structure–activity relationship) for the implementation of sustainable chemistry.

Dr. Dorota Bartkowiak

Coordinator Research ISC3 Research & Education Hub

T +49 4131 677-2895

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Dorota Bartkowiak studied chemistry at the Adam Mickiewicz University in Poznań (Poland) and then attained her PhD at the Humboldt-Universität zu Berlin. Before joining ISC3 her research was focused on organic, inorganic synthesis, nanomaterials and analytical chemistry. Environmental protection was always very important to her. She was involved in the organization of numerous symposiums, conferences and events to popularize science. supports the Research & Education Hub with her multidisciplinary chemical knowledge.

Dr. Myriam Elschami

Coordinator Education ISC3 Research & Education Hub

T +49 4131 677-2827


Myriam Elschami studied Biochemistry and obtained her PhD from the Leibniz University of Hannover. In her postdoctoral assignments at Oxford University and a research start up in Heidelberg, she investigated the biochemistry of Parkinson’s disease and Alzheimer’s disease with innovative techniques such as induced pluripotent stem cells and CRISPR/Cas. She is experienced in setting up operative laboratory space and in communicating science at the interface of academia and the pharmaceutical industry. In addition to her scientific expertise, Myriam Elschami has training in international project management and global health. At the research hub of ISC3, she aims to combine her fields of expertise in order to foster international interdisciplinary education in sustainable chemistry.

Karen Kratschmer (EDA)

Office & Event Management ISC3 Research & Education Hub

T +49 4131 677-2894

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Karen Kratschmer is a European Management Assistant and studied at the EBC Hochschule (University of Applied Sciences) Hamburg. She has a long working experience in office management as well as in organizing fairs and conferences.