Jason White (born November 11, 1973) is an American musician best known as a guitarist for the American punk rock band Green Day. He played as a touring member of Green Day since 1999 until 2012, where he became an official member of the band, with Green Day becoming a four-piece group. He is also the guitarist and vocalist for the Californian punk band Pinhead Gunpowder, and co-founder of Adeline Records alongside Billie Joe Armstrong.