Brian Cook

Brian Cook (born July 16, 1977) is an American bass guitarist currently in the bands Russian Circles and Sumac. He was also previously a full-time member of Botch, These Arms Are Snakes and Roy, and also a session musician for Mouth of the Architect. Cook is also a freelance journalist and has published a book titled The Second Chair is Meant for You. He is openly gay.

As official member

Botch

• The Unifying Themes of Sex, Death and Religion (compilation) (1997)
• American Nervoso (1998)
• We Are the Romans (1999)
• An Anthology of Dead Ends (EP) (2002)
• 061502 (live album) (2006)

Onalaska

• To Sing for Nights (2002)

Roy

• Tacomatose (EP) (2003)
• Big City Sin and Small Town Redemption (2004)
• Killed John Train (2006)

These Arms Are Snakes

• This Is Meant to Hurt You (EP) (2003)
• Oxeneers or the Lion Sleeps When Its Antelope Go Home (2004)
• Like a Virgin (2005)
• Easter (2006)
• Tail Swallower and Dove (2008)

Russian Circles

• Station (2008)
• Geneva (2009)
• Empros (2011)
• Memorial (2013)
• Guidance (2016)
• Blood Year (2019)

Sumac

• The Deal (album) (2015)
• What One Becomes (2016)
• American Dollar Bill – Keep Facing Sideways, You're Too Hideous to Look at Face On (2018)
• Love In Shadow (2018)

As session member

Mouth of the Architect

• The Ties That Blind (2006)

Mamiffer

• Hirror Enniffer (2008)
• Mare Decendrii (2011)
• Bless Them That Curse You (2012)

New Idea Society

• "Now is Here" / "Wave Goodbye" (2019)