Mike Leon

Michael Joseph Leon is an American musician who is the current bassist of the rock/metal band CKY. He previously played with Havok, Soulfly, The Absence and Cavalera Conspiracy.

Biography

Leon first played the violin in school, while also singing in a choir before picking up guitar after discovering Metallica. He acquired his first bass when he was 10. His influences include Cliff Burton, Flea and Steve Harris, as well as Justin Chancellor and David Ellefson.
Leon's first significant band was The Absence, a Florida-based melodic death metal band which has also featured Jeramie Kling, Taylor Nordberg, and Joey Concepcion. Leon played with The Absence from 2007 until he was fired in 2021. He has stated that his dismissal was not amicable.
In 2013, Leon joined Havok, having previously supported the band with The Absence. He played on their album Unnatural Selection before departing in 2015 and joining Soulfly.
While still in Soulfly, he played in Cavalera Conspiracy, a side project of Soulfly founder Max Cavalera and his brother Igor. He played with the band in 2017, 2018–2019, and 2022.
Leon played with Soulfly for 10 years, playing on two of their studio albums, Ritual and Totem. He left the band in April 2025 to "pursue other opportunities".
In July 2025, he joined CKY, having previously been a fan of the band. He made his debut at the Vans Warped tour that same month.