Tom Sibley attended Villanova University where he studied acting, built sets, and performed in several of their main stage productions. After graduating from Villanova University, he moved to New York City to continue his studies at the Neighbourhood Playhouse School of Theatre. From there, he began doing stand up comedy and was a member of sketch group Meatsteak. Their show Meatsteak Is Dead, performed at Webster Hall, which was nominated for a New York Comedy Award.

After a move to Los Angeles, Tom began to perform on some of the best shows in town including The Meltdown with Jonah and Kumail. He's been featured at the Bridgetown Comedy Festival and the Comedy Central Comics to Watch showcase. He was also one of the founding members of sketch group Girth who wrote and performed sketches at a monthly show in Echo Park. He helps produce the podcasts Goof City on the WestCast Network, with fellow comedians Rob Gleeson and Chase Bernstein, and We Watch Wrestling, with fellow comedians Vince Averill and Matt McCarthy of The Pete Holmes Show. We Watch Wrestling has been listed as one of the top comedy podcasts on iTunes. He has also appeared in numerous national television commercials.

Tom lives in West Hollywood and can be found performing stand up all over Los Angeles on a nightly basis.