• History and criticism of metaphysics (including philosophy of language and religion) from antiquity to the present day
• German Idealism (with a focus on Hölderlin)
• Aesthetic theory
• Critical theory

• The concept of memory (and forgetting) from Plato to contemporary philosophy (status: ongoing)
• Origins of the modern era: The 14th century as an epochal threshold (status: ongoing)
• Hölderlin and German Idealism (Status: ongoing)

Co-operations at the University of Oldenburg

• Until March 2023: Head of the Adorno Research Centre
• Until March 2023: Head of the Hannah Arendt Centre research unit

Institute of Philosophy:

• Presence of the past - On the topicality of pre-modern thought
• Classical German Philosophy
• Post-idealist concepts of practical reason

Faculty/ Transfaculty:

• (2010-2019) DFG Research Training Group: Self-Formations - Practices of Subjectivation
• Research centre Genealogy of the Present

Book projects

• [Working title] From Hesiod to Aristotle: The Beginning of Philosophy (status: ongoing)
• [Working title] Hölderlin wegen. Studies on his work (status: ongoing)
• Consciousness and its History: On Remembering and Forgetting [working title] (status: ongoing)

Most recently published:

• (together with R. Klein and S. Müller-Doohm): Adorno Handbook. Life-work-effect, Berlin 2019.
• J.Chr.Fr. Hölderlin, Theoretical Writings. With an introduction and notes. Revised and supplemented new edition, Hamburg 2020.
• Hölderlin handbook. Life-work-effect. Second, revised and expanded edition, Berlin 2020.
• Remembrance. On the connection between Hölderlin's theoretical fragments "Das untergehende Vaterland ..." and "Wenn der Dichter einmal des Geistes mächtig ist ...". New, revised edition with an afterword, Paderborn 2021.
• Meister Eckhart. From the ground of the soul. Edited with an afterword and notes, Ditzingen 2023