Matt Deis

Deis is the brother-in-law of former NHL defenseman Gerald Diduck and the former brother-in-law of Canadian singer and songwriter Aldo Nova. As of February 2020, Deis is listed in a relationship with audio engineer Tara Lansing. Deis currently lives in Nashville, Tennessee and performs with American Idol finalist Tristan McIntosh, singer Madeliene, and multi-instrumentalist Nick Vallese.

In 2016, Deis reunited with CKY for a concert in Cleveland, Ohio which benefited the family of Ryan Dunn. CKY then entered the studio with Deis to record the album The Phoenix. Deis appeared in the music videos for the songs "Head For A Breakdown", "Replaceable", and "Wiping off The Dead". In the summer of 2019, Deis released a statement outlining his departure for the band and offering his support and thanks to the band, their crew, and their fans.

In 2010, Deis departed CKY stating he was unable to commit to the band while experiencing health issues.

In 2005, Deis auditioned for and subsequently joined CKY. He has since toured across America, Australia and Europe with the band. He has been a part of the writing process since joining, and according to the band's official website's frequently asked questions, "Since obtaining Matt Deis as a bassist, the rest of the band have stated that Deis will write and record on the next CKY album."

Matthew Christopher Deis (born December 13, 1983) is an American bass guitarist. Originally from Peterborough, New Hampshire, he is best known as the bassist of CKY with whom he performed with between 2005 and 2010, returning in 2015 and departing again in 2019, and the former bassist of metalcore band All That Remains, with whom he performed between 2003 and 2005.