Joshua Mattern
Age: 27
Born: Saskatoon, SK
Resides: Saskatoon, SK
Started Curling: 2009
Throws: Left
Profession: Mechanical Engineer, Nutrien Potash Mine
High School: St. Joseph
College/University: Engineering
2026-27 World Team Ranking Men's 4-Player: Team Mike McEwen
| Event Results: (Best 1 Results counted) | ||
| Hogged Rock KW Fall Classic presented by Runback Brewing | 5 | 13.800 |
| World Team Ranking YTD: | 13.800 | |
| World Team Ranking Start (100.0%): | 138.619 | |
| Back to Standings | World Team Ranking Total: | 152.419 |