"Disjunctivism and Experiential Memory," Pittsburgh Area Philosophy Colloquium, Working Papers Group, September 2014.

Commented on Nathan Oseroff's paper, "Why Is It That, If Counter-Closure is Accepted, There Is A Problem for Inferential Knowledge?," Pittsburgh Area Philosophy Colloquium, September 2014.

Commented on Joshua Anderson paper, "Why Moore Is Not a Particularist," Ohio Philosophical Association Annual Meeting, Cleveland State University, March 2012.


"Science-Fiction Embedded in Neuroethics: Mindlessness and Ethical Nihilism," Cognition and Neuroethics in Science Fiction International Conference, Center for Cognition and Neuroethics, University of Michigan-Flint, March 2015.

"What Ought to be Done with Research Risk Assessment and Possible Conflict Interest: Objective Ethical Truth-Telling," 3rd World NIH Conference on Research Integrity, Montreal, Canada, May 2013 (partially funded by NIH).

"Is Science Value Free: Four Affirmative Arguments Critically Evaluated," Office of Research Integrity Conference, Georgetown University, Washington, DC, March 2012.

"Seven Vices of Neuroethics: the Pseudo-Neuroscience Bias against Ethical Realism," Poster-Presentation, International Neuroethics Society Annual Meeting, Carnegie Institution for Science, Washington, DC, November 2011.  On-line version available at, February 2012.


"Cognitive Penetration in Visual Perception," Virginia Philosophical Association Conference, Virginia Commonwealth University, October 2015.

"When Color Contrast Fails: the Blue/Black Dress," The University of Wooster, Wooster, OH, September 2015.

"What Can Schizophrenia Teach Us about the Cognitive Penetration of Visual Experience?," Cognitio 2015: The Cognitive Science of Difference and Potentialities, University of Quebec, Montreal, Canada, June 2015.

"Color Penetration and Top-Down Processing in Visual Perception," Southern Society of Philosophy and Psychology Conference, April 2015.

"Time and Time Perception (co-authored w/Berit Brogaard), Philosophy of Time Society Conference, University of Milan, Garganao, Italy, May 2014; Ohio Philosophical Association, Kenyon College, April 2014.

"Cognitive Penetration and the Nature of Experience," American Philosophical Association, Eastern Division Meeting, December 2013; Ohio Philosophical Association Meeting, Denison University, Granville, OH, April 2013; North Carolina Philosophical Association, 2013.

"Fact, Fiction, and Pretense," co-authored w/Eric Sotnak, The European Society for Aesthetics, Universidade do Minho, Braga & Guimaraes, Portugal, June 2011; International Conference on Philosophy, Athens Institute for Education and Research, Athens, Greece, June 2012; Ohio Philosophical Association Annual Meeting, Cleveland State University, March 2012.

Commented on Daniel Hartner paper "Toward a (Neuro)Science of Morality," Ohio Philosophical Association Annual Meeting, University of Dayton, Dayton, OH, April 2011.


"Jury Nullification and Libertarianism" and "Jury Nullification and Criminal Procedure," Hanover College, Hanover, IN, Fall 2013 (invited speaker, funded by Hanover College thru Charles Koch Foundation grant).

Commented on Danny Pearlberg's, "Making Sense of the Different Senses of Explanation," Ohio Philosophical Association, Denison University, Granville, OH, April 2013.

"The Political Appropriation of Music," Post 45 Annual Conference on Literature and Culture, Rock & Roll Hall of Fame, Cleveland, OH, April 2011.


"Underdetermination in Historical Science," Graduate Center Colloquium Series, City University of New York, New York, NY, May 2015.

"Diagrammatic Reasoning in Paleontology," Diagrams as Vehicles for Scientific Reasoning Workshop, Center for Philosophy of Science, University of Pittsburgh, Pittsburgh, PA, April 2015.

"Methodological and Evolutionary Perspectives on the Human Microbiome," American Association for the Advancement of Science, San Jose, CA, February 2015.

"Tools, Theories, and the Microbiome," Bioethics Works-in-Progress Series, Case Western Reserve Medical School, Cleveland, OH, October 2014.

"Underdetermination Model Selection, and Evolutionary Trends," Department of Epistemology, Institute of Philosophy, Jagiellonian University, Krakow, Poland, June 2014.

"American Popular Culture: A Philosophical Perspective," Opole Conference of Teachers of English: Culture and the Realities of English-Speaking Countries, U.S. Consulate General, Krakow, Poland, November 2013.  Also presented at American Experience--Experience America, Katowice Center for Excellence in Teaching, Katowice, Poland, March 2014.

"Philosophy of Science and Environmental Philosophy," Fulbright Fellows Presentations, Collegium Maius, Krakow, Poland, October 2013 (funded by Fulbright Fellowship).

"Methodology and Ontology in the Human Microbiome Project," International Society for the History, Philosophy, and Social Sciences of Biology (ISHPSSB) annual meeting, Montpellier, France, July 2013. (invited speaker, funded by NIH).

"Our Biomes, Our Selves," Center for Genetic Research Ethics and Law, Case Western Reserve University, Cleveland, OH, April 2013 (invited speaker).

"The Symbiotic Self," Workshop: Engineering the Human Microbiome, Ethical Issues of Synthetic Biology, Hastings Center, Garrison, NY, March 2013 (invited speaker, funded by Hastings Center).

"Paleontology: Outrunning Time," International Conference on Philosophy of Time, 'The Time of Nature and the Nature of Time,' University of Bordeaux, France, September 2012 (invited speaker, funded by University of Bordeaux).

"Molecular and Ecological Models of the Human Microbiome: A Conceptual Analysis," 7th International Symbiosis Society Conference, Jagiellonian University, Krakow, Poland, July 2012.

"The Human Microbiome Project--A New Paradigm?" Federal Probiotics Working Group Meeting, University of Maryland, Baltimore, MD, February 2012 (funded by ELSI grant).

"Suggested Changes to Existing Probiotics Regulations," Federal Probiotics Working Group Meeting, University of Maryland, Baltimore, MD, February 2012 (funded by ELSI grant).

"Urban Ecosystem Services: Conceptual Tools from Philosophy," Urban Ecosystem Services Conference, University of Lodz, Poland, July 2011.

"I Know I Had It Comin':  Moral Responsibility and Structural Injustice in Johnny Cash," Post 45 Annual Conference, Rock & Roll Hall of Fame, Cleveland, OH, April 2011.

"Metagenomics and Ontology," Department of Philosophy, Case Western Reserve University, February 2011.


"Dispelling Some Myths about Aquinas' Psychology and Metaphysics," Columbia University, New York, NY, August 2013.

"Illogical Logicians: The Analytic Ideal of Pure Formalism and Absolute Objectivity," Columbia University, New York, NY, May 2013.


"The Cosmological Push," Ohio Philosophical Association, Baldwin Wallace College, Berea, OH, April 2015.

"Mysticism, Evil, and Cleanthes's Dilemma," Ohio Philosophical Association, Kenyon College, April 2014.


"The Epicurean Garden," Earth Perfect? Nature, Utopia and the Garden Symposium, University of Delaware, Newark, DE, June 6-9, 2013.

"Epictetus: A Philosophy of Life for Tough Girls," Invited Lecturer, Werkmeister Conference, Florida State University, Tallahassee, FL, February 2012.

Commented on Myrna Gabbe paper, "Aristotle on the Starting-Point of Motion in the Soul," Ohio Philosophical Association Annual Meeting, University of Dayton, Dayton, OH, April 2011.

"An Epicurean Alternative to Religion," Northeast Ohio Center for Inquiry, Stow-Monroe Falls Public Library, March 2011.

"The Value of Being Stoic," Greek Paideia Revisited: Ancient Remedies/Contemporary Ills Conference, University of South Florida, February 2011.


"Fact, Fiction, and Pretense," co-authored w/Dimitria Gatzia and presented by Dimitria Gatzia, Ohio Philosophical Association Annual Meeting, Cleveland State University, March 2012.