 | IUKF # 200661-01 | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: United States of America | ||
| Current Rank Rokudan | Current Title Renshi | Current Master Certifications Shihan |
| Rokudan | IUKF | George E. Mattson | 24/05/2021 | |
| Renshi | IUKF | George E. Mattson | 12/03/2017 | |
| Shihan | IUKF | George E. Mattson | 15/09/2013 |