Robert K Koski

Ranks & achievements

• Purple Belt✓ VerifiedBrazilian Jiu-Jitsu

Lineage

1. Carlos Gracie SrRed Belt, 10th Degree · Brazilian Jiu-Jitsu

   Carlos Gracie Jr trained under his father Carlos Gracie Sr.

2. Carlos Gracie JrRed Belt, 9th Degree · Brazilian Jiu-Jitsu

   Rigan Machado trained under Carlos Gracie Jr lineage.

3. Rigan MachadoRed Belt, 9th Degree · Brazilian Jiu-Jitsu

   Bill Hosken — under Rigan Machado. Now Coral Belt.

4. Bill HoskenBlack Belt, 5th Degree · Brazilian Jiu-Jitsu
5. Robert K KoskiThis memberPurple Belt · Brazilian Jiu-Jitsu

Robert's Passport

Belt, school and lineage on one card.

BJJ Passport

Robert K Koski

Purple Belt

Lineage

Carlos Gracie Sr → Carlos Gracie Jr → Rigan Machado → Bill Hosken → Robert K Koski