![Mahesh Rachamalla](/sites/default/files/styles/career_image/public/2023-01/Mahesh%20Rachamalla.jpg?itok=BZdi5QuJ)
Mahesh Rachamalla (he/him)
Career Profiles
Graduate Student (Toxicology)
![Mike Bryan](/sites/default/files/styles/career_image/public/2023-01/Mike%20Bryan.jpg?itok=sHGSgJdf)
Mike Bryan (he/him)
Career Profiles
Hatchery Technician
![Portrait de Sara Knox](/sites/default/files/styles/career_image/public/2022-11/Sara%20Knox.png?itok=sun9YzHz)
Sara Knox (she/her)
Career Profiles
Assistant Professor (biometeorology)
![Portrait de Anindya Kumar Ghosal](/sites/default/files/styles/career_image/public/2023-01/Anindya%20Kumar%20Ghosal.png?itok=EIaSQnO9)
Anindya Kumar Ghosal (he/him)
Career Profiles
Senior Product Team Lead (Chemical Engineer)
![Benjamin Pauquet](/sites/default/files/styles/career_image/public/2022-10/Benjamin%20Pauquet2.jpg?itok=-ntb6wKo)
Benjamin Pauquet (he/him)
Career Profiles
Mechanical and Materials Engineer
![Portrait de Gabriel Hould Gosselin](/sites/default/files/styles/career_image/public/2022-12/Gabriel%20Gosselin.jpg?itok=_D7oSCcr)
Gabriel Hould Gosselin
Career Profiles
Research Associate
![Cars driving through thick smog](/sites/default/files/styles/resource_card_image_360x300_/public/2019-12/cars_driving_through_smog.jpg?itok=oUpI0xvE)
How Vehicles Pollute the Air
Backgrounders
Learn how vehicles affect air quality, including their contribution to smog.
![Portrait de Devon Hardy](/sites/default/files/styles/career_image/public/2023-01/Devon%20Hardy.jpg?itok=vL3wInw9)
Devon Hardy (she/her/elle)
Career Profiles
Program Director
![fuel cell car header](/sites/default/files/styles/resource_card_image_360x300_/public/2022-12/fuel%20cell%20car%20header.jpg?itok=jTanjOIn)
Hydrogen Fuel Cell Vehicles
Backgrounders
Learn about vehicles that use hydrogen for fuel.
![portrait de Rhiannon Cooper](/sites/default/files/styles/career_image/public/2022-11/Rhiannon%20Cooper.jpg?itok=cpVnY5LA)
Rhiannon Cooper (she/her)
Career Profiles
Epidemiologist
![physical and chemical changes header](/sites/default/files/styles/resource_card_image_360x300_/public/2022-11/physical%20and%20chemical%20changes%20header.jpg?itok=dmgnc95b)
Exploring Physical and Chemical Changes
Lessons
Students observe and classify physical and chemical changes of matter.
Benjamin Pauquet (video)
Career Profiles
Mechanical and Materials Engineer
![Stephanie Arnold pilotant un drone dans un champ de pommes de terre.](/sites/default/files/styles/career_image/public/2022-10/Stephanie%20Arnold.png?itok=YZteMbyC)
Stephanie Arnold (she/they)
Career Profiles
Climate Services Specialist (PEI)
![Yetong Dong headshot wearing lab coat](/sites/default/files/styles/career_image/public/2022-08/Yetong%20Dong.jpeg?itok=Bb22WPte)
Yetong Dong
Career Profiles
Research Assistant/Graduate Student
![Portrait de Andrea Goldson-Barnaby](/sites/default/files/styles/career_image/public/2022-08/Andrea%20Goldson-Barnaby.jpg?itok=WKry_mWc)
Andrea Goldson-Barnaby
Career Profiles
Head of the Food division