- Aug. 20, 2011: New York Society for Ethical Culture, “Good Without God: Ethics for Freethinkers” with Massimo Pigliucci, Anne Klaeysen, and Roy Speckhardt.
- April 25, 2011: Yale University, “Perspectives on Atheism” with Chris Stedman.
- April 17, 2011: New York University, “A Public Dialogue on Morality” with Father Jonathan Morris and Chris Jansing.
- April 8-10, 2011: Northeast Conference on Science and Skepticism.
- March 8, 2011: USG Lecture Series at Stony Brook University: host to Christopher Hitchens.
- Dec. 4, 2010: SkeptiCamp NYC, “What Science Can — And Cannot — Say About Religion.”
- Oct. 13, 2010: Tufts University, “The Present and Future Role of Religion” with Brian Glenney.
- Oct. 12, 2010: Worcester Humanists, “Rethinking Secularism.”
- March 28, 2010: Scott Blakeman’s “The End of the Week as We Know It” with S.E. Cupp.
- Jan. 20, 2010: Center for Inquiry-Washington D.C., “Rethinking Secularism.”
- Dec. 6, 2009: SkeptiCamp NYC, “The Relationship Between Skepticism and Atheism.”
- Nov. 17, 2009: New York University, “Religious Belief and the Mind” with Massimo Pigliucci and Zoran Yosipovic.
- Oct. 25, 2009, New York Society for Ethical Culture, “The Future of Freethought.”
- Oct. 20, 2009, PS122: Conversations With Culture, “Contemporary Performance and God” with Morgan Thorson, Jay Wegman, and John Merz.
- Sept. 12, 2009: Northeast Conference on Science and Skepticism.
- June 8, 2009: Foley Square, “A Thomas Paine Remembrance.”
