- Fall 2003: Jon, Knowledge, Closure, and Lotteries
- Winter 2004: Peter V, Equality, Poverty and Global Justice
- Fall 2004: Andrew, Physicalism
- Winter 2005: Matt, Identity
- Fall 2005: Paul, Collective Rationality
- Winter 2006: Robert, Practical Reason
- Fall 2006: Jon, Normativity in Ethics and Epistemology
- Winter 2007: Peter V, Intrinsic Value and Other Matters
- Fall 2007: André Ariew, Issues in Philosophy of Biology
- Spring 2008: Andrew Melnyk, Ruth Millikan's Philosophy of Mind and Language
- Fall 2008: Sara Rachel Chant, Collective Intentionality,
- Spring 2009: Claire Horisk, Meaning
- Fall, 2009, Paul Weirich, Causation, Time, and Choice
- Spring 2010 Philip Robbins, Experimental Philosophy,
- Fall 2010, Peter Vallentyne, Compensation and Enforcement Rights:
- Spring 2011, Robert Johnson, Kantian Ethics:
- Fall 2011, Claire Horisk and Matt McGrath, Semantics, Pragmatics, and Epistemology
- Spring 2012: Paul Weirich, Government Regulation of Risk,
- Fall 2012: Paul Weirich hosted Central States Philosophical Association Meeting
- Spring 2013: Chris Pincock, A Priori Knowledge,
- Fall 2013: Peter Vallentyne, Topics in Moral and Political Philosophy
- Spring 2014: Paul Weirich, Value Holism
- Fall 2014: Peter Vallentyne hosted Second Annual Oxford Studies Workshop on Political Philosophy
- Spring 2015: Marina Folescu, Philosophy and Science in the British Empiricist Tradition
- Fall 2015: Peter Markie and Matt McGrath, Midwest Epistemology Workshop
- Spring 2016: Kenny Boyce, Ontological Commitment
- Fall 2016: Alex Radulescu, Context-Sensitivity in Language
- Spring 2017: Peter Vallentyne, Political Philosophy
- Fall 2017: Matt McGrath, The Ontology and Epistemology of Appearances
- Spring 2017: Troy Hall, Aesthetics and Philosophy of Music
- Spring 2017 (second one): Alex Howe and Paul Hamilton, Animal Ethics
- Fall 2018: Semantics and Logic (directed by Alex Radulescu)
- Spring 2019: The Ethics of Germline Genetic Manipulation (directed by Stephen Herman)
- Fall 2019: Ancient Philosophy, directed by Marta Heckel