He is the brother of the band's bass guitaristOliver Holzwarth. He is also a former member of Avantasia, a former live member of Blind Guardian, and the current drummer for Italian symphonic power metal band Rhapsody of Fire.
Biography
He started playing drums at the age of ten. The first instrument that he bought was a Troyan Drum with Paiste hi-hats. His first drumming teacher was Seppl Niemeyer.
In 2001 Alex was a session drummer for both Tobias Sammet's Avantasia symphonic/power metal operas. The Metal Opera features many musicians from the power metal scene, but Holzwarth is credited for all drums in the first two Avantasia releases (with the exception of track 10 on The Metal Opera Part II). He also served as session drummer for several songs on Avantasia's new albums The Wicked Symphony and Angel of Babylon (released April, 2010).