Extension faculty are located in primary fruit and nut production regions throughout the state and on the Corvallis campus. Tree fruit and nut Extension faculty are listed below by region and crop expertise.
| Southern Oregon | David Sugar |
| Umpqua Valley | Steve Renquist |
| Willamette Valley, South | Ross Penhallegon |
| Mid-Columbia, Cherry | Lynn Long |
| Mid Columbia, Pome | Steve Castagnoli |
| Milton Freewater/Walla-Walla Valley | Clive Kaiser |
| Corvallis, OSU Campus - Weeds | Ed Peachey |
| Corvallis, OSU Campus - Honey Bee | Ramesh Sagili |
| Corvallis, OSU Campus - Hazelnut | Vaughn Walton |
| Corvallis, OSU Campus - Diseases | Jay Pscheidt |