Thomas Matthew Delonge was born in Poway, California on December 13, 1975. While attending Poway High School, he was given a guitar at the age of 15 where he proceeded to teach himself how to play basic chords. Tom claims his biggest influences at the time were Fugazi, NOFX, Descendants, Screeching Weasel, Jimmy Eat World and The Queers.

During his tenure at Poway, he meet Mark Hoppus and formed the band Blink 182 in 1992 with friend Scott Raynor. Delonge played guitar and shared lead vocals with Hoppus who also played bass with Scott Raynor od drums. While the band practiced in Tom's garage at night, Delonge kept random jobs like delivering cement and being a waiter at Gary's Chicken and Ribs. Raynor was replaced as drummer in 1998 with Travis Barker of The Aquabats right before the release of Blink 182's Enema Of The State Record, which launched them into mainstream success, selling 12 million albums with it's catchy, Pop-Punk sound.

In 2001 Delonge started Really Likeable People(RLP) with two other partners. RLP was intended to be a collection of companies whose purpose was to support up and coming artists. These companies include Loserkids.com, Atticus clothing and Macbeth footwear. By 2005 Tom has sold over 20 million combined albums with Blink 182 and spent some time in Box Car Racer, a more serious side project he formed with Travis Barker and David Kennedy, a highschool friend. During the release of Blink 182's Greatest Hits album, Blink announced they wer going on an "Indefinite Hiatus" due to artistic differences and Delonge's wishes to spend less time on the road and more time with his family.

In November 2005, Delonge started Angels And Airwaves, a new group where he was committed to creating positive music that he hoped would inspire kids to make a difference. AVA's first album was, We Don't Need To Whisper reached #4 on the Billboard 200 and went gold.

Tom currently resides in The Rancho Santa Fe Community in San Diego, California where he lives with his wife and two kids.