Fier played and recorded on the John Zorn-led album Locus Solus in 1983. They recorded a live album for Zorn's 50th birthday celebration: 50th Birthday Celebration Volume 3 of the 50th birthday series on Tzadik Records.
He played with bassist Jack Bruce and Japanese guitarist Kenji Suzuki on the 1987 album Inazuma Super Session - "Absolute Live!!".
The 1978 Pere Ubu EP titled Datapanik in the Year Zero was dedicated to Fier.
In 1984 he played on Laurie Anderson's Mister Heartbreak.
He was an American drummer, producer, composer, and bandleader.