Our Team

Dr. Malte Engel
Founder and Trainer
Dr. Malte Engel studied philosophy, psychology and English literature. From 2007 to 2010, he received a scholarship from the Berlin School of Mind and Brain to complete his doctorate at the Chair of Ethics at the Humboldt University of Berlin. The dissertation was published in 2011 under the title “Cognitive Abilities as a Condition of Moral Responsibility” by Königshausen and Neumann in Würzburg. He has several years of teaching experience in the academic and non-academic field. Since the beginning of 2012 he has been teaching seminars on correct argumentation. In 2014 he trained as a trainer and was certified by the German Association of Certified Trainers and Business Coaches (BZTB).
contact: info@argumentationskompetenz.de

Christina Sauer
Projectmanager
Christina Sauer studied political science and history at the Eberhard Karls University of Tübingen and at the University of Potsdam. She spent a year abroad at the University of New South Wales in Sydney. For seven years she coordinated the Berlin Development Education Programme as a project manager. She has many years of teaching experience in the non-university sector, primarily in development policy education work. In 2013, she completed a degree in German as a Foreign Language at the Goethe-Institut and has since been working as a lecturer for language and integration courses.
contact: sauer@argumentationskompetenz.de

Dr. Jonas Zahn
Trainer
Jonas Zahn studied philosophy, logic and sociology in Basel, Chicago and Leipzig. In 2019 he completed his PhD in Philosophy at the Department of Philosophy of the University Leipzig. In his thesis he investigates the action-guiding and objective character of moral judgments. Jonas Zahn has several years of academic and non-academic teaching experience, including courses in sociology, philosophy, logic and argumentation theory. Since 2019 Jonas Zahn is a trainer at the “Institut für Argumentationskompetenz” and teaches workshops on logic and critical reasoning as well as thesis defense trainings for PhD students.
contact: zahn@argumentationskompetenz.de

Dr. Friederike Schmitz
Trainer
Dr. Friederike Schmitz studied philosophy and German literature. She finished her PhD in Heidelberg with a thesis on the nature and methods of philosophy.
After her dissertation she had a postdoc position at Freie Universität in Berlin. She’s the author of two books on animal ethics and provides trainings on logic and argumentation as well as science communication. She has academic and non-academic teaching experience.
contact: schmitz@argumentationskompetenz.de

Dr. David Lanius
Trainer
Dr. David Lanius is a research associate at the DebateLab of the Karlsruhe Institute of Technology (KIT) and founder of the Forum für Streitkultur. He studied philosophy, linguistics and logic and received a scholarship from the German National Academic Foundation (Studienstiftung des Deutschen Volkes) to study strategic uncertainty in law at the Humboldt University of Berlin. During his studies and doctorate David Lanius was 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). He has several years of teaching experience in the university and non-university sector.
contact: lanius@argumentationskompetenz.de

Kai Hüwelmeyer
Trainer

Sanja Dembić
Trainer
contact: dembic@argumentationskompetenz.de

Stephan Naguschewski
Trainer
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.

Jan Claas
Trainer
contact: claas@argumentationskompetenz.de

Gordon Naninga Fließ
Trainer
contact: fliess@argumentationskompetenz.de