| | IUKF # 200961 | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: United States of America | ||
| Current Rank Nidan | Current Title - | Current Master Certifications Shidoin |
| Nidan | IUKF | George E. Mattson | 11/11/2023 | |
| Shidoin | IUKF | George E. Mattson | 11/11/2023 | |
| Shodan | IUKF | George E. Mattson | 25/03/2022 |