Thomas Olsen, better known by his stage name Tommy Trash, is an Australian DJ, record producer, and remixer, mainly working on the Electro house genre. He currently resides in Los Angeles, California and signed to Ministry of Sound Australia, the Australian subsidiary of Ministry of Sound.

The ARIA Music Awards of 2009 nomination of artist Tommy Trash, one of the EDM scene's biggest promises, is considered as one of the highlights of 2011. Ever since he appeared on the scene in 2006, Tommy has been rocking the charts and the dance floors, and with over 50 productions (originals and remixes), and also he has quickly been recognized as one of Australia's biggest talents.

His peak era would begin in mid-2011, thanks to one of his most recognizable tunes, titled "The End". This has been one of his largest hits to date. This made him quickly noticed by high-profile DJs such as Tiësto, David Guetta, Swedish House Mafia, Afrojack, and Laidback Luke. "The End" pushed Tommy further into international fame.

Before "The End", he launched "All My Friends" in 2010, collaborating with Tom Piper and Mr. Wilson on the vocals, who has already lent his voice in Tommy's song, “Need Me To Stay”, a song nominated by the ARIA Awards as a "Best Dance Record" in 2009. "All My Friends" managed to peak 6 weeks straight on the ARIA Club Charts. Due to its success, it was re-edited and remastered by Ministry of Sound on the United Kingdom and Germany, and peaked at 11 in the UK Cool Cuts chart.

Tommy also launched his music on worldwide labels, such as Ministry Of Sound, CR2, Great Stuff, Stealth, Toolroom Records, and Subliminal, and will release his future works on Ultra, Dim Mak, Musical Freedom, Mixmash, Rising Music, and Pinkstar. He has collaborated with other producers such as John Dahlback, Moguai, and Angger Dimas, and he has made remixes for artists like Armand Van Helden, Kaskade, Green Velvet, Gypsy & The Cat, Ou Est Le Swimming Pool, Dabruck & Klein, EDX, plus many more.

Since 2007, he launches a series of compilations under the Ministry of Sound Australia label, named “Electro House Sessions”, collaborating with many other Australian producers, including The Stafford Brothers, Goodwill, Dirty South, and Sam La More.

The first Tommy Trash song that appeared on a mainstream compilation was "It's A Swede Thing" which was collaborated with Goodwill, this song was included on the downloadable edition of the Cream compilation "Cream Summer 2007". This gained Olsen some popularity and he went on to have his song "All My Friends" (with Tom Piper and Mr. Wilson) featured on the 2012 edition of the Ministry of Sound compilation known as The Annual, despite the name this edition of The Annual was actually released in 2011. This gave Olsen even more fame, and "All My Friends" was his most mainstream and successful single to date. "All My Friends" also received many remixes. The next song to feature on a mainstream album was "Future Folk", this was featured on another Cream compilation, this time it was "Cream Club Anthems 2012".

Most of Olsen's songs are featured on the "Musical Freedom" compilations. These are usually mixed by the likes of Dada Life, Steve Aoki, Tiesto, R3hab, Hard Rock Sofa and Swanky Tunes

Olsen has mixed a Ministry of Sound CD entitled "Inspired", the CD is set to be released on the 17th March 2014 on Ministry of Sound/Data Records.