George Sernack
George Sernack teaches at Renzo Gracie Denville and Easton and promoted Kemail Verhoeven to black belt in 2014.
Biography
Sources for this profile
Renzo Gracie Academy, “Academies,” accessed 13 September 2026.(opens in a new tab)
The Renzo Gracie Academy directory lists George Sernack as professor at both Renzo Gracie Denville in Denville, New Jersey, and Renzo Gracie Easton in Easton, Pennsylvania.
Where in the source: “Academies” — the “Renzo Gracie Easton” and “Renzo Gracie Denville” entries, each labeled “Professor: George Sernack”
Accessed:
Renzo Gracie Denville, “Brazilian Jiu Jitsu in Denville, NJ,” accessed 13 September 2026.(opens in a new tab)
Renzo Gracie Denville says the academy is owned and operated by Renzo Gracie black belts Professor George Sernack and Professor Vinnie Bruzzese.
Where in the source: “Welcome to Renzo Gracie Denville” — paragraph beginning “The academy is owned and operated”
Accessed:
Renzo Gracie Tilburg, “Instructors,” accessed 13 September 2026.(opens in a new tab)
Kemail Verhoeven's instructor biography says he began Brazilian jiu-jitsu in May 2005 at Renzo Gracie Denville under George Sernack and was promoted to black belt by Sernack in March 2014.
Where in the source: “Kemail Verhoeven” — biography paragraph beginning “After a bet” and “Accolades from Kemail” promotion list
Accessed:
International Brazilian Jiu-Jitsu Federation, “Pan Jiu-Jitsu IBJJF Championship 2004” results.(opens in a new tab)
The IBJJF's 2004 Pan Jiu-Jitsu Championship results list George Sernack of Renzo Gracie in third place in Master 3, blue belt, male open class.
Where in the source: “Master 3 / Blue / Male / Open Class” — third-place entry “George Sernack Renzo Gracie”
Accessed:
Lineage
No teaching connections are shown on this page.
Open lineage