John Rogers Searle (; born July 31, 1932) is an American philosopher. He was Willis S. and Marion Slusser Professor Emeritus of the Philosophy of Mind and Language and Professor of the Graduate School at the University of California, Berkeley until June 2019, when he was stripped of his emeritus status for having violated the university’s sexual harassment policies. Widely noted for his contributions to the philosophy of language, philosophy of mind, and social philosophy, he began teaching at UC Berkeley in 1959.