John Roy Anderson (born 25 October 1944), known professionally as Jon Anderson, is an English singer, songwriter, and multi-instrumentalist best known as the former lead singer of the progressive rock band Yes, which he co-founded in 1968 with bassist Chris Squire. He was a member of the band across three tenures between 1968 and 2008. Anderson is also noted for his solo career and collaborations with other artists, including Vangelis as Jon and Vangelis, Roine Stolt as Anderson/Stolt, and Jean-Luc Ponty as AndersonPonty Band. He has also appeared on albums by King Crimson, Tangerine Dream, and Iron Butterfly.
Anderson released his first solo album, Olias of Sunhillow (1976), while still a member of Yes in 1976, and subsequently released 13 more albums as a solo artist. In 2017, he was inducted into the Rock and Roll Hall of Fame as a member of Yes. SOURCE: Wikipedia