 | IUKF # 300135 | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: United States of America | ||
| Current Rank Kudan | Current Title Hanshi | Current Master Certifications Shihan |
| Kudan | IUKF | George E. Mattson | 09/03/2024 | |
| Shihan | IUKF | George E. Mattson | 08/03/2024 | |
| Hanshi | IUKF | George E. Mattson | 11/03/2023 | |
| Hachidan | IUKF | George E. Mattson | 08/03/2023 | |
| Kyoshi | IUKF | George E. Mattson | 08/08/2015 | |
| Nanadan | IUKF | George E. Mattson | 08/08/2015 | |
| Renshi | IUKF | George E. Mattson | 06/08/2011 | |
| Rokudan | IUKF | George E. Mattson | 31/07/2010 | |
| Godan | IUKF | George E. Mattson | 17/03/2002 | |
| Yondan | SOKE Uechi Family | 01/01/1988 | ||
| Sandan | SOKE Uechi Family | 18/05/1980 | ||
| Shihan | SOKE Uechi Family | 17/11/1974 | ||
| Nidan | SOKE Uechi Family | 10/03/1974 | ||
| Shodan | SOKE Uechi Family | 21/03/1971 |