![Kira Hoffman portant un casque rouge avec de la fumée en arrière-plan](/sites/default/files/styles/career_image/public/2024-04/Kira%20Hoffman.jpeg?itok=GFFDNPU8)
Kira Hoffman (she/her)
Career Profiles
Postdoctoral Researcher/Fire Ecologist
Jennifer Baltzer (she/her)
Career Profiles
Professor and Canada Research Chair in Forests and Global Change
![Tree stumps](/sites/default/files/2023-01/deforestation.jpg)
How would you replant a forest?
Hands-on Activities
Design a device that can plant seeds or trees to help grow a forest.
![Bryan Rolph](/sites/default/files/styles/career_image/public/2022-01/Bryan%20ROLPH.jpg?itok=EPYhc3Bz)
Bryan Rolph
Sales Manager
![A forest damaged by pine beetles](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/pine-beetle-damage-forest.jpg?itok=rD_omerz)
How Do Introduced Species Affect Ecosystems and the Economy?
STEM Explained
When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.
![Timea Filer - Urban Forestry Field Technologist](/sites/default/files/styles/career_image/public/2019-08/Timea%20Filer_28.jpg?itok=fEY8NK3Q)
Timea Filer (Video)
Career Profiles
Urban Forestry Field Technologist
![Timea Filer | Urban Forestry Field Technician Timea Filer | Technicienne de terrain en foresterie urbaine](/sites/default/files/styles/career_image/public/Timea%20Filer_26.jpg?itok=isJEd7as)
Timea Filer
Career Profiles
Urban Forestry Field Technician, City of Guelph
![Heather Dover | Arborist Heather Dover | Arboricultrice](/sites/default/files/styles/career_image/public/Heather%20Dover_13.jpg?itok=kijAxCZD)
Heather Dover
Career Profiles
Arborist
![Andrew Newman | Mechanical Tree Harvester Andrew Newman | Mechanical Tree Harvester](/sites/default/files/styles/career_image/public/6215_13.jpg?itok=oLEDX3iw)
Andrew Newman (Video)
Career Profiles
Mechanical Tree Harvester
![Lacey Rose - County Forester, County of Renfrew](/sites/default/files/styles/career_image/public/2019-08/6207_14.jpg?itok=GugzDZsy)
Lacey Rose (Video)
County Forester
![Lacey Rose | County Forester, County of Renfrew Lacey Rose | Experte-forestière, comté de Renfrew](/sites/default/files/styles/career_image/public/6207_13.jpg?itok=GSVO7uXO)
Lacey Rose
Career Profiles
County Forester
![Garrett Ugray - Initial Attack Incident Commander](/sites/default/files/styles/career_image/public/2019-08/3672_14.jpg?itok=C6ApUtQ5)
Garrett Ugray (Video)
Aspiring Entrepreneur
![Garrett Ugray | Initial Attack Incident Commander Garrett Ugray | Commandant de première intervention sur les lieux de l'incident](/sites/default/files/styles/career_image/public/3672_13.jpg?itok=SQJF3T26)
Garrett Ugray
Career Profiles
Initial Attack Incident Commander