He is a member of the bands The Dandy Warhols,[2] Pete International Airport,[2] Radis Noir[3] and Rebel Drones.

[4] Holmström is also an amateur photographer,[5] and in the past he has also composed music for his sister's theater group.

[6][7] His father, Robert (Bob) Holmström, was an early employee of the Intel Corporation.

[9] Holmström attended college in New York City before returning to Portland.

[10] Holmström attended Fairfield Grammar School in Bristol, UK, in the early 1980s.