(Press Release) — Trench Tech is proud to announce a special Brazilian Jiu-Jitsu seminar series featuring internationally accomplished grappler Sam Tisdale of Taiwan Brazilian Jiu-Jitsu Academy, bringing world-class instruction to the Marianas for a limited-time training opportunity.
The seminar will take place at the Trench Tech Gym in Garapan over three sessions, giving athletes of varying experience levels the chance to learn directly from one of the region’s most decorated competitors:
• Sunday, Feb. 8 — 10 a.m. to 12 noon
• Monday, Feb. 9 — 5:15 p.m. to 7:15 p.m. (Advanced kids and adults)
• Tuesday, Feb. 10 — 6:15 p.m. to 8:15 p.m.
With over 15 years of experience in wrestling and Brazilian Jiu-Jitsu, Tisdale has established himself as a dominant presence on the international competition circuit. His seminar will focus on high-level technique, competition-tested concepts, and practical applications for both gi and no-gi grapplers.
Tisdale’s career highlights include:
• Over 15+ years of wrestling and Brazilian Jiu-Jitsu experience
• Multiple ASJJF Taiwan Open gold medals
• 2025 IBJJF Asian Open brown belt gold medalist
o Absolute division bronze medalist
• 2025 ADCC Okinawa Open adult professional double gold medalist
• 2025 Marianas Open Taiwan adult brown belt double gold medalist
• 2025 Marianas Open Tokyo adult brown belt gold medalist
• 2025 Marianas International Open adult brown belt no-gi gold medalist
“Bringing in an athlete of Sam’s caliber aligns perfectly with our mission at Trench Tech,” said Professor Cuki Alvarez of Trench Tech. “This seminar is an opportunity for local grapplers to gain insight from someone who has consistently proven himself on some of the biggest stages in Asia and the Pacific.”
The seminar is expected to draw strong interest from across the local jiu-jitsu and grappling community on island, so Alvarez added that all interested in attending are welcome.
