Katie Sumbillo-Dubberstein
Age: 32
Born: Hong Kong, GBR
Resides: Portage, WI
Started Curling: 2007
Throws: Right
Profession: Front Desk Manager & Sourdough Baker, Green Acres Pet Resort & Self-Employed
College/University: Madison Area Technical College
2026-27 World Team Ranking Women's 4-Player: Team Katie Sumbillo-Dubberstein
| Event Results: (Best 3 Results counted) | ||
| Hogged Rock KW Fall Classic presented by Runback Brewing | N/A | 0.000 |
| World Team Ranking YTD: | 0.000 | |
| World Team Ranking Start (62.5%): | 5.625 | |
| Back to Standings | World Team Ranking Total: | 5.625 |
2026-27 World Ranking Mixed Doubles: Player Points
| Events: Katie Sumbillo-Dubberstein | Standings | Points Won |
| Player Total: | 0.000 | |
| World Ranking YTD: | 0.000 | |
| World Ranking Start (80.0%): | 2.040 | |
| Back to Standings | World Ranking Total: | 2.040 |