The Mount Fuji Doomjazz Corporation is the live improv alter ego of The Kilimanjaro Darkjazz Ensemble. Live recorded releases with several members of TKDE + guest musicians.

Formed in early 2007, split in late 2013.

On January 22, 2025 via his email newsletter Jason Köhnen announced that both The Kilimanjaro Darkjazz Ensemble and The Mount Fuji Doomjazz Corporation are back: After a hiatus of 12 years... I can proudly say that TKDE (and TMFDJC) are back together again... Stay tuned for upcoming news!

All releases are live concert recordings.

Last lineup:
Jason Köhnen - bass, FX (2007-2013)
Eelco Bosman - guitar (2007-2013)
Hilary Jeffery - trombone, oscillator (2007-2013)
Gideon Kiers - drums (2008-2010), electronics, production (2010-2013)
Charlotte Cegarra - vocals (2008-2013)
Nina Hitz - cello (2009-2011, 2012-2013)

Former members:
Ron Goris - sound (2007), drums (2010-2011)
Godfried Satan - vocals (2007)
Bruce Coates - saxophone (2007)
Sarah Anderson - violin (2008-2011)