A graduate of the French engineering school ENSEEIHT (École nationale supérieure d'électrotechnique, d'électronique, d'informatique, d'hydraulique et des télécommunications), Annelise Avril began her career in 1995 as a project engineer at Suez Consulting, before joining the French Water Circle as general delegate from 2000 to 2003.
From 2004, she held different operational positions within the Suez Group, including Regional Operations Manager in France, Performance & Innovation Manager in Perth, Australia, CEO of Allwater, a subsidiary of Suez in South Australia, and finally CEO of Suez Consulting, a Suez international subsidiary dedicated to engineering and consulting services in the environment, mobility and climate energy sectors (1200 employees, 35 countries).
As a board member of the Syntec-Ingénierie federation of consulting engineering companies in France from 2017 to 2020, Annelise Avril has promoted the feminization of engineering professions and initiated the Engineering Chart for Climate. She is also vice-president of the business council on international financial institutions (IFI) of MEDEF International.
In 2021 she joined Keolis as Group Director Marketing, Innovation and New Mobilities.