If my career detour from special education to singing has done one thing, it has afforded me the opportunity to make a difference in the lives of others.

A few weeks later he appeared as a spokesperson for "Guillermo's Mustache" in Kimmel's fictional DVD informercial shown on the Dancing With the Stars finale. In addition to UNICEF and his National Inclusion Project he is promoting GLSEN the Gay Lesbian and Straight Education Network as one of his causes on his official website. In 2003 in anticipation of the release of Measure of a Man fans all over the country decided to get together and hold parties to celebrate the release of the CD and purchase copies at midnight.

He has been a frequent talk show guest particularly on The Tonight Show and Jimmy Kimmel Live!. He appeared as a guest star on Scrubs Drop Dead Diva 30 Rock and participated in comedy skits on numerous other shows. Aiken created the National Inclusion Project (formerly the Bubel/Aiken Foundation) in 2003 accepted a UNICEF ambassadorship in 2004 and in 2006 was appointed for a two-year term to the Presidential Committee for People with Intellectual Disabilities.