Born in Calf Mountain, Virginia on 5 August 1976, Jason Ajemian graduated at the William Patterson College in New Jersey, where he studied with bassist Rufus Reid and percussionist Kevin Norton. Arriving in Chicago in the fall of 2000, Ajemian embraced the then burgeoning progressive music community. Ajemian also vocalizes and utilizes electronics. His dizzying number of credits include work with Rob Mazurek, the Exploding Star Orchestra, Dragons 1976, Lay All Over It, Born Heller, Matt Bauder, Ken Vandermark's Crisis Ensemble, Who Cares How Long You Sink, Triage, Mandarin Movie, the Chicago Underground Trio, and countless others.
In 2004 his debut album 'Who Cares How Long You Sink' was released. It was followed by 'The Art Of Dying' (2008), 'Protest Heaven' (2010) and 'Folklords' (2014).
In 2014, he contributed a cover version of Them Heavy People to the album Running Up That Hill: Kate Bush Covers For Reproductive Rights.