Alex O’Connor

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Alex O’Connor

Cosmic skeptic and public speaker

A man with short dark hair and a mustache wears a dark checked blazer over a navy shirt, posing against a plain light background.

Alex O’Connor, also known as Cosmic Skeptic, is an English public speaker and content creator recognized for his work on philosophy, ethics, religion, and secularism. He hosts the podcast Within Reason.

Everything Videos
A lone silhouette of a person stands in a hazy, grainy environment, surrounded by darkness and indistinct shadows.
8mins
The Big Think Interview
What nihilism acknowledges that other philosophies don’t
"The thing that the nihilist recognizes is that the values he or she holds are not grounded in anything other than their own preferences."
Alex O'Connor
A man sits on a chair in front of a white backdrop in a library with brick walls, wooden floor, shelves of books, and large windows.
1hr 26mins
Full Interview
The strongest arguments for and against the existence of God
Instead of treating belief as a private preference, philosopher Alex O’Connor examines how our moral positions shape institutions, obligations, and the ways we justify our choices. 
Alex O'Connor
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