He has written for TV and for production companies like JibJab and Blue Man Group. Allison has taught sketch comedy and storytelling classes at New York University, the People's Improv Theater in New York City (where he also served as artistic director), and the Philly Improv Theater in Philadelphia. On February 26, 2015, Allison appeared on Marc Maron's "WTF". On July 30, 2015, he appeared on Ken Reid's TV Guidance Counselor podcast. Allison is openly gay.