Meet the Coaches
Family Duo where the wisdom of an OG Martial Artist who helped build the sport in Luxembourg meets the experience of one of Luxembourg's most established active Nak Muays.

Big Coach
Guy Kaulmann
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Roots:
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Started Martial Arts journey in 1999 at M.A.A.L. (Martial Art Academy of Luxembourg).
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Trained under Guru Daniel Lonero, founder of XTMA, earning multiple diplomas.
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Experience in Thai Boxing, Brazilian Ju-Jitsu, Grappling, Shoot Wrestling, Jun Fan Gung Fu and Filipino Martial Arts.
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Continued Martial Art education with notable martial artists like Claire Haigh, Frank Ruppert, Daniel Giallombardo, and Bartholomé Aguilera.
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Impact:
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Co-founded Thai Boxing Association of Luxembourg.
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Official referee in local events.
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Winner of the first MMA competition in Luxembourg (2007).
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Winner of the KSFL Grappling Championship in 2008
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Winner of the KSFL BJJ Championship in 2009.
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Founded Combat Barn in 2009.
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Coach All In
Dean Kaulmann
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Roots:
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Started in 2003 with Judo.
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Experience in Muay Thai, Kickboxing, Boxing, Grappling, Jiu-Jitsu, and MMA.
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Guided by father Guy Kaulmann, Daniel Giallombardo, and Frank Ruppert.
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Impact:
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First Amateur fight in 2012.
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Achieving a 14-win streak as an amateur.
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Professional fighter with over 20 fights.
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Fought internationally, from Italy to Thailand.
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Winner of Adler Fight Championship Title.
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Winner of Shark’s Fight Events Title.
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Coaching since 2022.
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