CFI Speakers Bureau


The Center for Inquiry (CFI) Speakers Bureau is a tool for campus groups, community groups, and conference organizers to find quality speakers on topics related to CFI’s mission of fostering a secular society based on reason, science, freedom of inquiry, and humanist values.

If you would like to book a speaker, you may email them at the address provided on their profile. Unless indicated otherwise, CFI does not typically act as an intermediary between speakers and groups.

“CFI Speakers” are staff, board members, and volunteer representatives.

If you have questions about the CFI Speakers Bureau, please contact the CFI Outreach Department at outreach@centerforinquiry.net.

Viewpoints and information presented by speakers do not necessarily reflect the viewpoints of, nor should they be attributed to, CFI or its affiliates, or any of their directors or officers.


Found 51 Result(s)

Donald B. Ardell


Donald B. Ardell is an outspoken freethinker who promotes a philosophy of REAL wellness, “REAL” being an acronym for Reason, Exuberance, Athleticism and Liberty – the four dimensions of a lifestyle conducive to well being and happiness. Don is a devotee of Robert Green Ingersoll and often performs a variety of speeches, poems and quotations …

Learn more about Donald B. Ardell >

Julian Baggini


Julian Baggini is the author, co-author or editor of over 20 books including How The World Thinks, A Short History of Truth, The Edge of Reason, The Virtues of the Table, The Ego Trick, and Freedom Regained. He has written for numerous newspapers and magazines, as well as for the think tanks The Institute of Public Policy …

Learn more about Julian Baggini >

Joe E. Barnhart


Joe E. Barnhart, Ph.D., recently retired to write his novels, became Professor of Philosophy and Religion Studies at the University of North Texas in 1974. He became a contributing member of the American Academy of Religion, the Association for the Scientific Study of Religion, the Society for Biblical Literature, the Southern Society for Philosophy and …

Learn more about Joe E. Barnhart >

Elizabeth Barre


Elizabeth Barre is a comparative ethicist who works on questions that lie at the intersection of moral philosophy and the history of religion, with a specific focus on Muslim, Christian, and secular political ethics. She has written about the ways recent Muslim debates about liberalism, democracy, and the separation of religion and politics are similar …

Learn more about Elizabeth Barre >

Jeremy Beahan


Fundamentalist raised and educated, Jeremy graduated from Grace Bible College and Cornerstone University with a dual degree in social studies and religious education. While training for ministry Jeremy underwent a dramatic de-conversion as a culmination to many years of questioning. Today Jeremy works to promote critical thinking and skeptical inquiry in his local community. When …

Learn more about Jeremy Beahan >

Russell Blackford


Russell Blackford is a philosopher, literary critic, and freelance writer (his professional fiction credits include The New John Connor Chronicles, a trilogy of novels written for the Terminator franchise). His formal qualifications include First Class Honours degrees in Arts and Law, and separate PhDs in philosophy and English literature. Dr Blackford is editor-in-chief of The Journal …

Learn more about Russell Blackford >

Ben Blanchard


Ben is an organizer and activist best known for his service work through the Pathfinders Project, a yearlong international service trip sponsored by Foundation Beyond Belief. The Pathfinders supported clean water, education, human rights, and environmental conservation work around in eight countries the globe, as well as providing the framework for the Humanist Service Corps. …

Learn more about Ben Blanchard >

Glenn Branch


Glenn Branch is deputy director of the National Center for Science Education, a nonprofit organization that defends the integrity of science education against ideological interference. He was the co-editor, with Eugenie C. Scott, of Not in Our Classrooms: Why Intelligent Design is Wrong for Our Schools, and author or coauthor of numerous articles on climate education and …

Learn more about Glenn Branch >

Tom Clark


Tom Clark is founder and director of the Center for Naturalism and developer of Naturalism.org, a leading web resource on worldview naturalism, its implications and applications. He is also author of Encountering Naturalism: A Worldview and its Uses and many articles on naturalism, science, free will, consciousness, addiction, and criminal and social justice. He even wrote …

Learn more about Tom Clark >

James Croft


James Croft is the Research and Education Fellow at the Humanist Community at Harvard, where he works on the Humanist Community Project, helping build communities for nonreligious people. He is a graduate of the Universities of Cambridge and Harvard, and is currently studying for his Doctorate in the philosophy of education at the Harvard Graduate …

Learn more about James Croft >

Austin Dacey


Austin Dacey is a philosopher and author of The Secular Conscience and The Future of Blasphemy as well as articles in numerous publications including the New York Times, USA Today, and Dissent. As a former NGO representative to the United Nations, he has worked on issues at the intersection of secularism, religion, and human rights. He is …

Learn more about Austin Dacey >

Christopher DiCarlo


Dr. Christopher DiCarlo is a philosopher, educator, and author. He often teaches in the Faculty of Philosophy at the University of Toronto (in Scarborough). He is also a lifetime member of Humanist Canada and an Expert Advisor for the Centre for Inquiry Canada. He has been invited to speak at numerous national and international conferences …

Learn more about Christopher DiCarlo >

Catherine Dunphy


Catherine Dunphy is the Associate Humanist Chaplain at the University of Toronto, a founding member of the Clergy Project, and its former acting Executive Director. She was trained as a Roman Catholic Chaplain and is currently writing a book, Apostle to Apostate, about the founding of the Clergy Project and her experience of losing her …

Learn more about Catherine Dunphy >

Taner Edis


Taner Edis was born in Istanbul, 1967, to Turkish and American parents. After completing his undergraduate work at Boğaziçi University, he received his Ph.D. from Johns Hopkins University in theoretical physics. Taner is currently a professor of physics at Truman State University, his present research interests focus on the philosophy and history of science. Fascinated …

Learn more about Taner Edis >

Tom Flynn


Tom Flynn is Executive Director of The Council for Secular Humanism, Editor of Free Inquiry magazine, and Director of the Robert Green Ingersoll Birthplace Museum. A journalist, novelist, entertainer, and freethought historian, Flynn is the author of numerous articles and editorials for Free Inquiry magazine. He edited a massive reference work, The New Encyclopedia of Unbelief, in …

Learn more about Tom Flynn >

Scott Forschler

Independent Scholar · St. Cloud, Minnesota
Topics: Philosophy
Subtopics: Ethics & morality, Naturalism

Scott Forschler is an independent scholar with a PhD in philosophy from the University of Minnesota, and a specialization in the foundations of morality. He is the author of a book in progress called The Logic of Morality, and many articles on related topics, whose fundamental thesis is that moral facts derive from practical reasoning, …

Learn more about Scott Forschler >

Luke Galen


Luke Galen is currently a professor of psychology at Grand Valley State University. He received his Ph.D. in clinical psychology from Wayne State University. His main area of research and teaching focuses on the psychology of religion. He is currently researching the psychology of secularity and nonreligious individuals especially in regards to moral behavior. He …

Learn more about Luke Galen >

Jen Hancock


Jennifer Hancock is the former executive director for the Humanists of Florida, author of several books about Humanism and the founder of Humanist Learning Systems. Jennifer is unique in that was raised as a freethinker and is considered one of the top speakers and writers in the world of Humanism today. Her professional background is …

Learn more about Jen Hancock >

Jennifer Michael Hecht


Jennifer Michael Hecht is a philosopher, historian, and poet. Her Doubt: A History demonstrates a long, strong history of religious doubt. Hecht’s The End of the Soul won the Phi Beta Kappa Society’s 2004 Ralph Waldo Emerson Award “for scholarly studies that contribute significantly to interpretations of the intellectual and cultural condition of humanity.” Her book The Happiness Myth (HarperCollins, 2007) …

Learn more about Jennifer Michael Hecht >

Paul W. Humphreys

University of Virginia · Charlottesville, Virginia
Topics: Philosophy, Science (General)
Subtopics: Naturalism

Paul Humphreys is a philosopher of science with interests ranging from the foundations of probability theory through the nature of science to the prospects for a post-human world. He did his undergraduate degree in logic and physics before earning his graduate degrees in statistics and philosophy at Stanford University. Paul is currently a professor of …

Learn more about Paul W. Humphreys >

Douglas Jesseph


Douglas M. Jesseph holds a Ph.D. in philosophy from Princeton University.  Previously a professor of philosophy at North Carolina State University, Dr. Jesseph currently teaches at the University of South Florida in Tampa.  His research and publication are concerned with issues in the history and philosophy of mathematics, but he also has a keen interest …

Learn more about Douglas Jesseph >

Chris Johnson


Chris Johnson is a New York-based photographer and filmmaker. He received his undergraduate degree in film production (along with a minor in religious studies) from Concordia University in Montreal, Quebec. His photography has been seen in various outlets, including The New York Times. He is the author of the coffee table photography book, A Better Life: 100 …

Learn more about Chris Johnson >

Marty Klein


Dr. Marty Klein is a California psychotherapist, sex therapist, and international lecturer in sexuality and public policy. He has been an expert witness or invited plaintiff in many important state and federal obscenity and anti-censorship cases. His landmark book America’s War On Sex, with a foreword by the ACLU’s Nadine Strossen, was honored as Book of …

Learn more about Marty Klein >

David Koepsell


Dr. Koepsell earned his Law degree and Doctorate in Philosophy at the State University of New York at Buffalo. In addition to practicing law for eight years, he is Adjunct Associate Professor at SUNY at Buffalo Graduate School of Education, specializing in Ethics and Scientific Integrity. He is also the Education Director for CFI. Dr. …

Learn more about David Koepsell >

Marvin Kohl


Marvin Kohl is Emeritus Professor of Philosophy, State University of New York, College at Fredonia.  He is the author of The Morality of Killing, the editor of Beneficient Euthanasia and Infanticide and the Value of Life, and Contributing Editor to The Humanist and Free Inquiry. He is a spokesperson for “Promethean Altruistic Humanism,” a pdf …

Learn more about Marvin Kohl >

Stephen Law


Stephen Law is Reader in Philosophy at Heythrop College and Head of the Center for Inquiry in the UK. He has published many introductory philosophy books, including books for children. His popular books include The Philosophy Gym: 25 Short Adventures in Thinking and The Complete Philosophy Files (for children). Stephen is a well-known humanist and atheist. He wrote the …

Learn more about Stephen Law >

Scott Lilienfeld


Scott O. Lilienfeld is  Samuel Candler Dobbs Professor of Psychology at Emory University in Atlanta. He received his A.B. from Cornell University in 1982 and his Ph.D. in Psychology (Clinical) from the University of Minnesota in 1990.  He is founder and past editor of the Scientific Review of Mental Health Practice, most recent past President …

Learn more about Scott Lilienfeld >

Ronald A. Lindsay


Ronald A. Lindsay, J.D., Ph.D. is by training and experience both a lawyer and a philosopher. An honors graduate of the University of Virginia School of Law, he practiced for twenty-six years with the national law firm of Seyfarth Shaw LLP prior to joining the Center for Inquiry, where he served as president & CEO …

Learn more about Ronald A. Lindsay >

Eric Maisel


Eric Maisel, Ph.D., is the author of more than fifty books. His books include The Future of Mental Health, Humane Helping, and 60 Innovative Cognitive Strategies for the Smart, the Sensitive and the Creative with Routledge, Rethinking Depression, Life Purpose Boot Camp, Overcoming Your Difficult Family, Coaching the Artist Within, The Van Gogh Blues, Mastering …

Learn more about Eric Maisel >

Marissa Alexa McCool


Marissa Alexa McCool, 32, is a podcaster, author, performer, speaker, ​and an LGBT rights/atheist activist. She’s a trans woman, married, partnered, and a parent. Born in Akron, Ohio and currently residing in Saint Paul, Minnesota with her family, she graduated the University of Pennsylvania in 2017 with degrees in English, Cinema and Media Studies, and …

Learn more about Marissa Alexa McCool >

James McGaha


James McGaha is a retired USAF pilot, an instructor/examiner in parachuting who has completed over 5000 sport parachute jumps, an astronomer, and director of the Grasslands Observatory. He held a TOP SECRET compartmented security clearance and was involved in numerous classified operations including operations in the so-called “Area 51.” His current work includes astrometry and photometry …

Learn more about James McGaha >

Andy Norman


Andy Norman teaches philosophy and directs the Humanism Initiative at Carnegie Mellon University. He’s a dynamic presenter who likes to challenge audiences to think hard about reason and faith, science and spirituality, and the natural foundations of ethics. Andy authored the popular “Brainstormin’” column for the Humanist Network News, and works at understanding how ideologies corrupt …

Learn more about Andy Norman >

Keith Parsons

University of Houston · Houston, Texas
Topics: Debates, Philosophy
Subtopics:

Keith Parsons is Professor of Philosophy at the University of Houston at Clear Lake and the former editor of the philosophy journal Philo. He has debated William Lane Craig on the topics “Is Christianity True?” and  “Does God Exist?” Dr. Parsons is the author of God and the Burden of Proof (1989), Drawing Out Leviathan: Dinosaurs …

Learn more about Keith Parsons >

Tamas Pataki


Dr. Tamas Pataki is an honorary senior fellow at the University of Melbourne and an honorary fellow of Deakin University. He studied philosophy at the University of Melbourne and psychoanalysis at University College, London University. He has been a lecturer in philosophy at the Royal Melbourne Institute of Technology, University of Tasmania and University of …

Learn more about Tamas Pataki >

John A. Paulos


John Allen Paulos is an extensively kudized author, popular public speaker, and monthly columnist for ABCNews.com and formerly for The Guardian. Professor of math at Temple, a state university in Philadelphia, he earned his Ph.D. in the subject from the University of Wisconsin. His latest book, A Numerate Life explores some of the mathematical aspects …

Learn more about John A. Paulos >

Ian Robinson


Ian Robinson is President Emeritus of the Rationalist Society of Australia. He has been active in the Australian rationalist movement for more than forty years since as a student he became President of the University of Melbourne Rationalist Society back in 1967. He studied philosophy and history and philosophy of science at the University of …

Learn more about Ian Robinson >

Christine M. Shellska


Christine Shellska is a Ph.D. Candidate (ABD) in the Department of Communication, Media and Film, Faculty of Arts, at the University of Calgary, Canada. Her research involves studying the rhetorical strategies employed by the Intelligent Design Creationism movement. She is the first Canadian to be elected to the Board of Directors of the American Humanist …

Learn more about Christine M. Shellska >

Chris Stedman


Chris Stedman is the Interfaith and Community Service Fellow for the Humanist Chaplaincy at Harvard University and the Managing Director of State of Formation, a new initiative at the Journal of Inter-Religious Dialogue. Chris received an MA in Religion from Meadville Lombard Theological School at the University of Chicago, for which he was awarded the …

Learn more about Chris Stedman >

Nikki Stern


Nikki Stern writes political, social and cultural commentary with what NPR host Kurt Andersen describes as “even-keeled grace, tolerance and common sense.” She is the author of three books and a contributor to three anthologies that deal with aspects of peaceful resistance Her first book, Because I Say So: Moral Authority’s Dangerous Appeal, reviewed her …

Learn more about Nikki Stern >

Troy Stoops


Troy Stoops was born into a radically fundamentalist family, the foundations of which were explicitly theological. His father was a homosexual, his mother mentally ill. Their preacher approved their union as a way of suppressing these satanic influences. Glossolallia, the handling of poisonous snakes as a test of faith, liberal doses of hellfire, and a …

Learn more about Troy Stoops >

Kylie Sturgess


Kylie Sturgess is the President of the Atheist Foundation of Australia and an award-winning Philosophy teacher with over ten years experience in education. She has lectured on teaching critical thinking, feminism, new media and anomalistic beliefs worldwide, and regularly writes editorial for numerous publications. In 2011, she was the winner of the Best Individual Activist …

Learn more about Kylie Sturgess >

Edward Tabash


Edward Tabash is a Constitutional Lawyer in Los Angeles and Chair of the Board of Directors of the Center for Inquiry. He has filed amicus briefs arguing for the preservation of the separation of church and state with the United States Supreme Court and the California Supreme Court. Mr. Tabash graduated Magna Cum Laude with …

Learn more about Edward Tabash >

Robert Talisse


Robert Talisse is W. Alton Jones Professor of Philosophy, Professor of Political Science, and Chair of the Philosophy Department at Vanderbilt University in Nashville, Tennessee. He holds a Ph.D. in philosophy from City University of New York Graduate School. Professor Talisse has published widely on political philosophy, ethics, and American pragmatism.  His current research focuses on …

Learn more about Robert Talisse >

Lionel Tiger


Lionel Tiger is the Charles Darwin Professor Emeritus of Anthropology at Rutgers University. His title reflects his pioneering role in introducing biosocial data into the social sciences. Since the mid-1960’s he has been deeply involved in bridging the gap between the natural and social sciences. He has asserted that the words used appear to imply …

Learn more about Lionel Tiger >

Lawrence Torcello


Lawrence Torcello received his Ph.D. in Philosophy from the University at Buffalo. He is Associate Professor of Philosophy at Rochester Institute of Technology. He regularly teaches and publishes on issues related to critical thinking, social and political philosophy, moral theory, and bioethics broadly construed (i.e. ethical issues in biology, ecology, and medicine). His current research …

Learn more about Lawrence Torcello >

J.D. Trout


J.D. Trout earned his bachelor’s degree in Philosophy and History in 1982 at Bucknell University, and his doctorate in Philosophy in 1988 at Cornell University, where he was a National Science Foundation Predoctoral Fellow in history and philosophy of science. While there, he also did graduate work in Psychology. He then spent a year as …

Learn more about J.D. Trout >

Gleb Tsipursky


Dr. Gleb Tsipursky is passionate about promoting truth-oriented behavior, rational thinking, and wise decision-making. He serves as the President of Intentional Insights, a nonprofit devoted to popularizing these topics. Its main current focus is the Pro-Truth Pledge, a project that aims to reverse the tide of lies and promote truth in public discourse through combining …

Learn more about Gleb Tsipursky >

Gretta Vosper

Canadian Centre for Progressive Christianity · Toronto, Ontario
Topics: Atheism & Secularism, Philosophy, Religion
Subtopics: Ethics & morality, Meaning of life

Named one of 2009’s Most Compelling Women in Canada by More Magazine, Gretta Vosper has been in the spotlight since founding the Canadian Centre for Progressive Christianity in 2004.  Her national bestselling book, With or Without God: Why the Way We Live is More Important that What We Believe, quickly became a national bestseller and attracted media …

Learn more about Gretta Vosper >

Judith B. Walker


Judith Walker is a graduate of Wellesley College with a degree in sociology and anthropology. She earned her JD from the University of Colorado School of Law and served as an Assistant Colorado Attorney General in the Higher Education Unit representing Colorado state institutions of higher education. She joined the University of Colorado Foundation in …

Learn more about Judith B. Walker >

Kayley Whalen


Kayley Whalen is an activist who works at the intersections of humanism, racial justice, transgender and queer issues, immigration, disability advocacy and drug policy reform. She is the Digital Strategies and Social Media Manager at the National LGBTQ Task Force and the Digital Strategy Co-Director at Trans United Fund. She is multi-racial Latina/white. She skated with the DC …

Learn more about Kayley Whalen >

Phil Zuckerman


Phil Zuckerman is a professor of sociology and the founder of the secular studies program at Pitzer College, in Claremont, California. He is the author of several books on secularity, including The Nonreligious (Oxford, 2016), Living the Secular Life (Penguin, 2015), Faith No More: Why People Reject Religion (Oxford, 2011), and Society Without God (NYU, 2008). He has also edited several books, …

Learn more about Phil Zuckerman >