Sarah Gammon completed a Bachelor of Applied Mathematics at the University of Waterloo, graduating in 2018. Afterwards, she worked as an optical engineer at Lumentum, previously known as JDSU, from 2017 to 2019. She graduated from McGill University in 2022 with a degree in meteorology.

She has been working in the Climate Science and Services team since Fall 2022, acting as a liaison agent between the Climate Scenarios and Services and Climate Platforms, Data and Operations teams. She contributes, among other things, to the Climate Portraits platform at Ouranos.