Jason Richardson (born July 30, 1991) is an American guitarist. He is best known as the former guitarist of All Shall Perish, Born of Osiris, and Chelsea Grin. His playing style is known to be extremely fast and technical. He currently works as both a solo artist and as an official member of All That Remains. He is also a sponsored artist of Ernie Ball Music Man.In 2016, Richardson released his debut solo album entitled I. produced by Taylor Larson. The album featured ex- The Word Alive drummer Luke Holland as a member. Along with Holland, the album had many guest appearances from the likes of Periphery's Mark Holcomb & Spencer Sotelo, Vocalist Lukas Magyar of Veil of Maya, and Jeff Loomis.In 2017, he embarked on his first tour as a solo act with instrumental, progressive metal band Polyphia and math rock band Covet.On November 9, 2018 it has been reported that Richardson will replace the deceased Oli Herbert as live member for All That Remains Europe tour scheduled with Sevendust in December. As of February 5, 2019, he is a full-time member of the group.