James "Jim" Harrison is a former track reader for Gravity Falls.
Harrison attended Arizona State University from 1986 to 1989.
He worked as a driver for Doyle Shaw Ice Delivery from 1992 to 1994, and in 1996 he began working as an animation track reader for The Walt Disney Company. In 2000 he began working as a production manager for The Film Business, Inc., which he stayed with for five and a half years.
He continues his career for The Walt Disney Company, and in March of 2006 started his own company, Sound Byte, Inc.