Matthias Lasch (born 16 October 1964), known professionally as Mat Sinner, is a German bassist, singer and record producer from Stuttgart.

Sinner has been involved in numerous bands and projects throughout his musical career.

Sinner has also been working as a record producer for Kiske/Somerville, Bobby Kimball/Jimi Jamison (former vocalists of bands Toto and Survivor), and the first Scheepers solo album.

[3] In 2014, it was announced that a new project called Level 10, featuring Sinner with Symphony X vocalist Russell Allen and other members of Primal Fear.

The Primal Fear album Apocalypse released in August 2018 and charted Top 10 in Germany and 11 more countries.