| | IUKF # 200906 | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: United States of America | ||
| Current Rank Sandan | Current Title - | Current Master Certifications Shidoin |
| Shodan | Uechi-Ryu Karate Association | 04/11/1994 | ||
| Nidan | IUKF | George E. Mattson | 23/09/2022 | |
| Sandan | IUKF | George E. Mattson | 08/03/2025 | |
| Shidoin | IUKF | George E. Mattson | 08/03/2025 |