• Goethe University Frankfurt/Main, 23 January 2013: "Kants Kompatibilismus und dessen frühmoderner Hintergrund".
• Philosophy Club, St Andrews University 7 November 2012: "Kant's Compatibilism and Its Early Modern Background."
• Staff Seminar, St Andrews University 17 October 2012: "Hegel's Critique of the Moral Standpoint."
• Moral Psychology
Research Group, Keio University Tokyo, 10 December 2011: "Moore on Goodness: Reflections on the Open Question
Argument".
• Kant Research Group Tokyo, Hosei University, 26 June
2011: "Concursus and (the totality of) causal conditions:
reconsidering the thesis argument of the 3rd antinomy".
• University of Amsterdam, 16 March 2011: "Kant's
Version of Compatibilism: Traces of Molina?"
• XIth International Kant Congress, Pisa, 26 May 2010:
"Nothing but Representations" - A Suárezian Way out of the
Mind?".
• Asientreffen der Studienstiftung des deutschen
Volkes, Tokyo, 6 June 2009: "Aspekte des moralischen
Relativismus in der allgemeinen und angewandten Ethik".
• British Society for the History of Philosophy Annual
Conference "History and Nature of Transcendental
Philosophy", Manchester 18 April 2009: "Kant's Scholastic
Conception of the Divine Intellect and the Distinction
between Things in Themselves and Appearances".
• Kant Research Group Tokyo, 29 January 2009 (Hosei
University): "Squaring the Circle: The Distinction(s)
between Things in Themselves and Appearances in Kant."
• Phenomenology and Ontology Conference, 4 July 2008
(Keio University): "Divine Cognition and Things in
Themselves: Combining the Two-World and the Two-Aspect View
of Transcendental Idealism".
• Co-Convenor of the symposium "On Good Terms with the
World: Virtue, Reason, and Reality", Tokyo 6 March 2008
• Convenor of "Conceptions of Moral Realism: Recent
Devolopments", a compact course in metaethics for graduate
students given by Stelios Virvidakis (Athens) at Keio
University, 3-5 March 2008.
• Foundation Congress of The European Society for
Early Modern Philosophy, Essen (Germany), 29 March 2007:
"Freedom and Natural (Physical) Laws: The Roots of
Trancendental Idealism in Early Modern Philosophy".
• Kant Research Group, Tokyo, 29 October 2006 (Waseda
University, Tokyo): "Secondary Causes and the Moral Law:
Sketches of a Strong Metaphysical Reading of
Grundlegung III".
(Selection)