Formerly the drummer of rock band Breaking Benjamin, he joined Black Label Society in 2013, replacing Mike Froedge.

Szeliga cites Vinnie Colaiuta, John Bonham, Steve Gadd, Dennis Chambers, Tony Williams, Manu Katche, Stewart Copeland and Neil Peart as his main influences.

[citation needed] In 2020, it was announced that Szeliga had joined rock act Weapons of Anew sometime after the release of their debut album, replacing Chris Manfre.

[6] [7] As of July 2020, Szeliga endorses Tama Drums, Evans drumheads, Paiste cymbals, Vater Percussion drumsticks, and Audimute.

Drums: Tama Starclassic Performer Bubinga in blue nebula blaze: Cymbals: Paiste: Cymbals circa 2019: With Breaking Benjamin With Black Label Society With Switched With Forever Oeuvre With Casey Honig With Sworn II Silence With Black Star Riders With DRAGONFLY EFFECT