| | IUKF # | |
| Dojo: Mattson Academy of Uechi-ryu Karate | ||
| Sensei: George E. Mattson | ||
| Country: Canada | ||
| Current Rank Nanadan | Current Title - | Current Master Certifications - |
| Shodan | SOKE Uechi Family | 05/11/1989 | ||
| Nidan | SOKE Uechi Family | 27/10/1991 | ||
| Sandan | SOKE Uechi Family | 04/06/1994 | ||
| Shodan | SOKE Uechi Family | 27/05/1997 | ||
| Godan | SOKE Uechi Family | 24/05/2002 | ||
| Rokudan | IUKF | 11/05/2019 | ||
| Nanadan | IUKF | 08/03/2025 |