Samuel Benjamin Harris is an American philosopher, neuroscientist, author, and podcast host, born on April 9, 1967. His work covers a wide range of topics, including rationality, religion, ethics, free will, neuroscience, meditation, psychedelics, the philosophy of mind, politics, terrorism, and artificial intelligence.

Harris gained prominence for his critical views on religion and is often associated with the New Atheism movement, being known as one of the "Four Horsemen" alongside Richard Dawkins, Christopher Hitchens, and Daniel Dennett. His first book, The End of Faith (2004), won the PEN/Martha Albrand Award for First Nonfiction and was on The New York Times Best Seller list for 33 weeks. He has since published several other books, with his work translated into over 20 languages.

Harris's writings have sparked debates and discussions, with some critics labeling them as Islamophobic, a characterization he and his supporters reject. He has engaged in public debates with numerous prominent figures on the topic of religion.

Since 2013, Harris has been hosting the Making Sense podcast, which enjoys a large audience. He also released a meditation app, Waking Up with Sam Harris, in September 2018, contributing significantly to the Mindfulness movement.