Dr. Malte Engel

Trainer and Founder

Dr. Malte Engel studied philosophy, psychology and English. In 2010 he finished his PhD at the Berlin School of Mind and Brain with a thesis on “Cognitive Capacities as a Basis of Moral Responsibility”. Since 2012 he is teaching courses on critical reasoning and logic.

In 2013 he founded the Institute of Argumentation Competence and in 2014 he got certified as a trainer by the German Association of Trainers and Business Coaches (BZTB).

Contact: info@argumentationskompetenz.de

Christina Sauer

Project Manager

Christina Sauer studied political sciece and history at the Eberhard Karls Universität Tübingen and the Universität Potsdam. During her studies she spend one year at the University of New South Wales in Sydney. She has coordinated the Berlin development-policy education programme for seven years.

She has several years of non-academic teaching experience (notably with respect to educational work on development cooperation). In 2013 she completed her studies of German as a Foreign Language at the Goethe-Institut and works as a language teacher since then.

Contact: sauer@argumentationskompetenz.de

Dr. Romy Jaster


Dr. Romy Jaster is a research associate for theoretical philosophy at Humboldt-Universität zu Berlin. She studied philosophy and linguistics and got her PhD from Humboldt-Universität for a thesis on abilities. During her studies and her PhD she spent time at the University of Notre Dame (USA), the École normale supérieure (Paris) and the Australian National University (Canberra).

Dr. Romy Jaster was a fellow of the German Academic Scholarship Foundation and of the Carl and Max Schneider Foundation. She has multiple years of teaching experience in academia.

Contact: jaster@argumentationskompetenz.de

Dr. David Lanius


Dr. David Lanius is postdoctoral researcher at DebateLab of Karlsruhe Institute of Technology (KIT) and founder of Forum für Streitkultur. He studied philosophy, linguistics, and logic. His studies brought him to Universidad Complutense de Madrid (Spain), to the Institute of Logic, Language, and Computation in Amsterdam (Netherlands), and to University of Southern California in Los Angeles (USA).

David Lanius wrote his PhD with a scholarship by the German National Academic Foundation (Studienstiftung des Deutschen Volkes) at Humboldt-Universität zu Berlin about strategic indeterminacy in the law and has several years of academic and non-academic teaching experience.

Contact: lanius@argumentationskompetenz.de

Sanja Dembić


Sanja Dembić studied philosophy, psychology, and gender studies. Since 2014 she is working on her PhD at the Institute of Philosophy at the Humboldt-Universität zu Berlin as a scholarship-holder of the German National Academic Foundation (Studienstiftung des Deutschen Volkes).In her dissertation with the working title “The Mind and its Deviances – Philosophical Foundations of

Psychpathology”, she analyzes the concept of mental disorder and its relation to the concepts of bodily disorder and social deviance. She is in the final stages of the writing process. She has many years of experience in teaching, not only in philosophy but also in psychology. In 2011 she received the Humboldt Award by the Humboldt-Universität zu Berlin for her bachelor thesis “Emotions as Dispositions. A Critical Discussion of Richard Wollheim’s Theory of Emotions”.

Contact: dembic@argumentationskompetenz.de

Dr. Friederike Schmitz


Dr. Friederike Schmitz studied philosophy and new German literature. She finished her PhD in Heidelberg with a thesis on the nature and methods of philosophy. After her dissertation she edited the anthology “Tierethik und Grundlagentexte“ (Suhrkamp 2014) and had a postdoc position at Freie Universität Berlin in the research project “Animals in political Theory“.

In 2017 her introductory “Tierethik kurz + verständlich“ was published. Since the end of 2017 she has been working as freelance author and speaker. She gives talks and workshops on the topic of animal ethics and is represented as conversation partner in various media.

Contact: schmitz@argumentationskompetenz.de

Stephan Naguschewski


Stephan Naguschewski completed his studies in analytical philosophy and German philology in Göttingen and St. Andrews with honors in 2005. His master’s thesis was concerned with Wittgenstein and mathematical necessity. In addition to this the key fields of his studies were logic, epistemology and philosophy of language.

From 2004 until 2008 he was part of the editorial staff of “Kindlers Neues Literaturlexikon“.  He has been working as freelance editor and translator since 2007. Furthermore he has worked as teacher for German as a Foreign Language in the German Language School several times. Since 2003 he has been gaining academic and non-academic teaching experiences.

Contact: naguschewski@argumentationskompetenz.de

Kai Hüwelmeyer


Kai Hüwelmeyer studied physics and philosophy in Tübingen, Manchester and Frankfurt. After he had finished his diploma thesis on theoretical particle physics, he completed his degree in philosophy with a thesis on the objectivity and truth of moral statements. Since 2017 he has been looking at how moral opinions can be justified in the face of disagreement,

as part of his PhD thesis. The project is funded by the Foundation Polytechnische Gesellschaft Frankfurt. Kai Hüwelmeyer has several years of academic teaching experience in physics and mathematics as well as in philosophy and logic. In addition he frequently gives workshops on human rights activism.

Contact: huewelmeyer@argumentationskompetenz.de

Dr. Frederike Neuber


Dr. Frederike Neuber studied philosophy and logic in Berlin and Leipzig. From 2013 to 2017 she worked for the international research project „Climate Engineering – Risks, Challanges, Opportunities“. In 2018 she finished her PhD at the Karlsruhe Institute of Technology with a thesis on “Buying Time with Climate Engineering? An analysis of the buying time framing in favor of Climate Engineering“.

In her work she focuses on ethical and political climate aspects as well as critical thinking. She has multiple years of teaching experiences in academic and non-academic areas and as a speaker. Since 2019 she has been working as freelance lecutrer and publicist.

Contact: neuber@argumentationskompetenz.de

Gordon Naninga Fliess


Gordon Naninga Fliess has studied Philosophy and Sociology. From 2012 to 2019 he worked for the international Ramboll Group, where he was a public sector management consultant. He has worked in different policy fields from family to economic and innovation policy. His clients mainly were federal and state administrations as well as economic

development agencies and other organisations. He worked on evaluations and studies as well as on strategies and civic participation. He is an experienced presenter and workshop host. His central concern is the argumentational literacy and its use as an instrument in the professional communication between colleagues as well as between organisations.

Contact: fliess@argumentationskompetenz.de