 | IUKF # 41026 | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: Canada | ||
| Current Rank Rokudan | Current Title - | Current Master Certifications Shihan |
| Shodan | Uechi-Ryu Karate Association | 05/12/1998 | ||
| Nidan | Uechi-Ryu Karate Association | 10/11/2001 | ||
| Sandan | Uechi-Ryu Karate Association | 03/12/2005 | ||
| Shodan | Uechi-Ryu Karate Association | 15/11/2008 | ||
| Godan | IUKF | George E. Mattson | 26/04/2014 | |
| Rokudan | IUKF | George E. Mattson | 15/11/2020 | |
| Shihan | IUKF | George E. Mattson | 01/10/2026 |