Kathleen Dubberstein
| Kathleen Dubberstein | |
|---|---|
| Other names | Katie Dubberstein |
| Born | Kathleen Sumbillo Dubberstein May 8, 1994 |
| Team | |
| Skip | Kathleen Dubberstein |
| Third | Leilani Dubberstein |
| Second | Jennifer de la Fuente |
| Lead | Sheila Mariano |
| Alternate | Anne Marie Bonache |
| Mixed doubles partner | Marc Pfister |
| Curling career | |
| Member Association | United States (2013–2024) Philippines (2024–present) |
| Other appearances | Asian Winter Games: 1 (2025) |
Kathleen Sumbillo Dubberstein (born May 8, 1994) is a Filipino-American curler from Wisconsin. A 2014 United States Junior silver medalist, Dubberstein represents the Philippines internationally since 2024.