Julien Lavalley
Product Specialist at Time for the Planet
Denmark
Summary
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Rockstar🎓
Top SchoolJulien Lavalley is an energy engineer and product specialist with three years of experience blending technical rigor from École Polytechnique and DTU with hands-on business development in the renewable electricity sector. Currently at Electricity Maps, he translates grid and market dynamics into product insights that help organizations understand carbon-intensity in real time. Julien also contributes to climate action through roles at Time for the Planet, assessing and supporting the scaling of greenhouse-gas-reducing innovations. Comfortable at the intersection of engineering, markets, and mission-driven fundraising, he brings quantitative training from French CPGE and advanced sustainable energy expertise to practical, impact-focused product work. An appetite for both technical detail and civic-scale climate solutions distinguishes his approach.
3 years of coding experience
Classes Préparatoires aux Grandes Ecoles (CPGE), Mathématiques, Physique et Sciences de l'Ingénieur, Classes Préparatoires aux Grandes Ecoles (CPGE), Mathématiques, Physique et Sciences de l'Ingénieur at Lycée ClemenceauMaster of Science and Engineering, Mechanical Engineering, Master of Science and Engineering, Mechanical Engineering at École PolytechniqueTechnical University of Denmark
English, Spanish, French
Github Skills (31)
visualization10
electricity10
consumption10
sustainability10
climate-change10
electricity-prices10
data-visualization10
green-software7
del4
sdk4
open-data3
spanish3
api2
orientdb1
python1
Programming languages (3)
Github contributions (5)
lav-julien/electricitymaps-contrib
Apr 2023 - Apr 2023
A real-time visualisation of the CO2 emissions of electricity consumption
Contributions:1 push in 1 day
electricitymaps/real-time-cloud
Feb 2025 - Feb 2025
Contributions:2 pushes, 1 branch in 1 day
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