He is a son of Renate Hoy, an actress born in Germany, and attorney Raymond C.

In the 1990s, he fronted a band called Teardrain, which also featured Jill Emery and Mark Reback on bass and drums respectively.

[7] Two songs from this album, "Roller" and "Taking Sides" were used in feature movie The Letter Red.

[7] Simpson released his second solo album Deep Dream in April 2019.

[8] Over its seventeen songs, the albums features contributions from Dustin Boyer, Don Bolles (Germs), Paul Roessler, Ygarr Ygarrist (Zolar X) and two songs feature the original lineup of Simpson's 1990s band Teardrain – bassist Jill Emery and drummer Mark Reback.