[1] In the early 1990s, Bert drummed for the Chrome Cranks (which also included Peter Aaron on vocals; Jerry Teel on bass; and William Weber on stun guitar).

and STP (short-lived NYC all-female foxcore band which included PG guitarist Julie Cafritz) during the summer of 1990, the year Goo was released.

Bert played with Five Dollar Priest as well as with the International Shades, which features ex-Live Skull guitarist Mark C. and former Pier Platters shop assistant-turned-keyboardist Dorien Garry among others.

Bert is now playing with Retrovirus (Lydia Lunch, Weasel Walter, Tim Dahl), who have released studio and live albums, and also with Wolfmanhattan Project with Kid Congo Powers (The Gun Club, The Cramps, Nick Cave & the Bad Seeds, Knoxville Girls, Pink Monkey Birds) and Mick Collins (The Gories, The Dirtbombs).

In 2019, Bert released I'm Just the Drummer: My Time Behind Sonic Youth, Pussy Galore, Chrome Cranks & BB Gun Magazine, a book compiling his photographs and interviews he did with artists he collaborated with or that influenced him.