FIVE BLACK BELTS.
ONE ROOM.
Different experience. A shared commitment to helping you understand the work and get better at it.
JACEN FLYNN
Co-owner / Head coach
Training since 1996. Craig Kukuk’s first black belt, awarded in 2006.
Jacen brings decades of NoGi practice and professional MMA experience to the room. His coaching centers on pressure, timing, and making fundamental techniques work against resistance. He holds a 10–3 professional MMA record, with wins over Dean Lister and Denis Kang.
NICK KUGELMAN
Co-owner / Head coach
Training since 2004. Jacen Flynn’s first black belt, awarded in 2015.
Nick builds his coaching around pressure, fundamentals, and solving problems under resistance. A father, husband, and a familiar source of humor on the mats, he helps set the academy’s standard for consistent, purposeful training.
NICK KUGELMAN
Co-owner / Head coach
Training since 2004. Jacen Flynn’s first black belt, awarded in 2015.
Nick builds his coaching around pressure, fundamentals, and solving problems under resistance. A father, husband, and a familiar source of humor on the mats, he helps set the academy’s standard for consistent, purposeful training.
MATT LANE
Black-belt coach
Training with Jacen and Nick since 2012. Black belt awarded in 2023.
Matt brings a particular focus on leg locks and competition training. Away from the academy, he is a father of two and an outdoor enthusiast who enjoys off-roading and fishing.
WILLIAM CHAIN
Black-belt coach
Joined System’s coaching team in 2024. Black belt under Jacen Flynn.
A Navy veteran, William began training under Richie Martinez in 2020. After earning his brown belt and relocating to Boise, he joined System. He spends time training, competing, studying combat sports, and exploring Idaho with family and friends.
WILLIAM CHAIN
Black-belt coach
Joined System’s coaching team in 2024. Black belt under Jacen Flynn.
A Navy veteran, William began training under Richie Martinez in 2020. After earning his brown belt and relocating to Boise, he joined System. He spends time training, competing, studying combat sports, and exploring Idaho with family and friends.
MATT CANTWELL
Black-belt coach
Black belt under Jacen Flynn, awarded in 2025. ADCC Trials semifinalist.
Matt brings experience across gi, NoGi, points, and submission-only competition. His practice combines pressure, pace, and technical precision, with multiple podium finishes across different organizations and rule sets.
THE KNOWLEDGE
KEEPS MOVING.
Craig Kukuk / Jacen Flynn / Nick Kugelman
System’s coaching lineage connects Craig Kukuk, Jacen Flynn, and Nick Kugelman. Kukuk taught NoGi in Idaho; Jacen and Nick opened the Meridian academy to carry that knowledge forward.
SEE YOU
ON THE MAT.
Your first class is on us.
Your next step is yours.
SYSTEM
JIU-JITSU
NoGi jiu-jitsu in Meridian, Idaho.
SYSTEM
JIU-JITSU
NoGi jiu-jitsu in Meridian, Idaho.
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