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

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

David Lanius


David Lanius studied philosophy, linguistics and logic with a scholarship of the German National Academic Foundation (Studienstiftung des Deutschen Volkes) at the Humboldt-Universität zu Berlin. In his dissertation he deals with Strategic Indeterminacy in the Law, in other words how linguistic inaccuracy can specifically be used in legal texts.

During his studies and whilst working on his doctorate he spent time at the Universidad Complutense de Madrid (Spain), at the Institute of Logic, Language and Computation in Amsterdam (Netherlands) and at the University of Southern California in Los Angeles (USA). David Lanius has many years of teaching experience in academic and non-academic areas, especially in  educational work on development cooperation and refugee issues.

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 in 2005 with honors. His   master´s thesis was about Wittgenstein and mathematical necessity. In addition to this the key fields of his studies were philosophy and logic, epistemology and the philosophy of language.

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

Contact: naguschewski@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