He appeared on the band's second album, ''10,000 Hz Legend.''
When he hasn't been involved in any major jobs, Meldal-Johnsen has worked with several other artists in the studio. He also co-wrote and recorded Macy Gray's 2003 release, ''The Trouble With Being Myself.'' In addition, he's dome done remixes for seeral several artists and scores for a handful of films.
In 2002, Meldal-Johnsen formed Ima Robot, and got a major-label deal in the same year. Their debut album was released in 2003, and the band toured extensively with several bands during that time.
In 2008, Meldal-Johnsen's friend [[Josh Freese]] told him of an available position in Nine Inch Nails following a sudden departure of a recently recruited member. Meldal-Johnsen auditioned before NIN founder [[Trent Reznor]] and was given the position of bassist and multi-instrumentalist. He is currently on tour toured with NIN though 2009.
Meldal-Johnsen currently lives in Los Angeles with his wife and daughter.