Tobias was hired by Edguy in 1998 when vocalist Tobias Sammet, who had played bass since the band's formation in 1992, decided the band should have someone who could focus on playing the instrument full-time.

Tobias had previously played guitar and bass in the band Squealer and would also go on to perform both roles in his side-project, Taraxacum, which was active between 2000 and 2005.

[1] During Wacken Open Air on 7 August 2010, Tobias left the stage briefly to take a call relating to his new family.

On 13 August 2010, Tobias' girlfriend gave birth to their first child, son Julian.

He has also played live with bands Gamma Ray and Unisonic as bass player and guitarist, respectively.