Billy Meier (born February 3, 1937) is a Swiss journalist and UFO researcher known for his claims of contact with extraterrestrial civilizations. Born in Bülach, Switzerland, he has reported numerous encounters with beings from the Pleiades star cluster (called Plejaren) since the 1950s, providing extensive photographic, video, and physical evidence. His work has sparked controversy, with supporters viewing him as a genuine contactee and critics citing inconsistencies in his evidence. Meier promotes a message of peace, environmental stewardship, and spiritual evolution through his books and lectures.