Jonathan Jacob Walker (born September 17, 1985 in Chicago, Illinois) is an American musician. Formerly the bassist of Panic! at the Disco, Walker was also lead guitarist and occasional lead vocalist of the The Young Veins, now on indefinite hiatus. As of 2011 he is pursuing a solo career as a folk-pop artist, and has released an album entitled Home Recordings. A new album called "New Songs" was released on October 18, 2011.