• Political Philosophy und Theory of the State

• Philosophy of Law

• Ethics

• Anthropology

• Philosophy und Economics

• History of Ideas in Economics, especially:

• Economics Liberalism and Ordoliberalismus

• International Political Economy

• Philosophy of Science

• Pragmatism

• Theory of War

• Philosophy of Language

• Ludwig Wittgenstein

• History of Philosophy and History of Ideas, especially:

• Modern Times and the Enlightenment

• Vor- and Nachmärz