![Hanna O'Brien](/sites/default/files/styles/person_thumb/public/2023/images/PHO-HDSHT-OBrien%20Hannah-2023.png?h=6b9bf2e9&itok=a-x9B7GP)
![Jennifer O'Malley](/sites/default/files/styles/person_thumb/public/2021/images/PHO-HDSHT-OMalley%20Jennifer-2020.png?h=6b9bf2e9&itok=z9GYqG9O)
Professor, Biology | Natural & Agricultural Science
Sangamon Hall
![Stacey Olson](/sites/default/files/styles/person_thumb/public/2021/images/PHO-HDSHT-Olson%20Stacey-2018.png?h=6b9bf2e9&itok=9kmV6lrj)
Associate Professor, Biology | Natural & Agricultural Science
Sangamon Hall