Jonathan Richard Guy Greenwood is an English musician. He is the lead guitarist and keyboardist of the rock band Radiohead, and has composed numerous film scores. He has been named one of the greatest guitarists by numerous publications, including Rolling Stone.
Along with his elder brother, Colin, Greenwood attended Abingdon School in Abingdon near Oxford, where he formed Radiohead. Their debut single, "Creep", was distinguished by Greenwood's aggressive guitar work. Radiohead have achieved acclaim and sold more than 30 million albums. He was inducted into the Rock and Roll Hall of Fame as a member of Radiohead in 2019.
Greenwood is a multi-instrumentalist and a prominent player of the ondes Martenot, an early electronic instrument. He uses electronic techniques such as programming, sampling and looping, and writes music software. He described his role in Radiohead as an arranger, helping transform Thom Yorke's demos into finished songs. The only classically trained member of Radiohead, Greenwood has composed for orchestras including the London Contemporary Orchestra and the BBC Concert Orchestra, and his arrangements feature on Radiohead records.