Jason Curtis Newsted is an American metal musician, known for being the third recording bass guitarist with the band Metallica
from October 1986 until his departure in January 2001, as well as being a part of Voivod and Flotsam and Jetsam.
After leaving Metallica he continued with his project Echobrain, played with Ozzy Osbourne and joined heavy metal band Voivod. Newsted uses the pseudonym Jasonic, which serves as both his alias in Voivod and the name of his music publishing company.
He is also the founder of the Chophouse Records studio and label based in California. From 2012 to 2014 he played in his self-titled band Newsted, for which he provided lead vocals as well as bass. Newsted lives in Alamo, California.