Heïdi is a glaciologist, member of the AMAP Secretariat, the Arctic Monitoring and Assessment Programme, one of the Working Groups to the Arctic Council.
She teaches glaciology to students at the Svalbard University Center in the Arctic. Dr Sevestre is an international member of The Explorers Club and has led numerous research expeditions from tropical glaciers to the depth of the polar regions.
Today, through her work, she aims to make science more accessible and motivate action to fight the climate crisis.