Member of 2007 and 2008 Detention Hall, The Second City's teen Improv Troupe.
He and his brother Jonathan's first comedic short, El Papas Fritos, was showcased at The LA Shorts Fest- 2007.
Jameson along with his brother Jonathan have attended classes at The Larry Moss Studio in Santa Monica, California.
An accomplished guitarist and has played in venues across Los Angeles.
His band, Jameson Moss and The Thrillers released their first CD, City of Broken Lights, October 1, 2009. The songs; Fade to Black and D Minor 7 were nominated for a 2009 Hollywood Music in Media Award.
Jameson is a member of The Second City Conservatory in LA.