Guillaume Marion - Strategy Manager

Guillaume Marion

Strategy Manager

Paris, Ile-de-France

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Summary

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Senior

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Top School

Guillaume Marion is a strategy manager with eight years’ experience structuring and delivering large-scale industrial and infrastructure projects across Europe, Western Africa and Central Asia, with deep exposure to mining, energy and nuclear sectors. He blends strategy, project finance and on-the-ground execution, proven in capital-intensive programs where stakeholder coordination and operational rigor determine success. Educated at ESSEC and IFP School and fluent in French and English, he has progressed through EY’s Infrastructure Advisory and Project Finance practice into a lead strategy role at Orano Projects. Guillaume’s profile combines analytical strategy work with extended field deployment alongside local teams, giving him uncommon practical insight into execution risks and financing levers. He has also engaged with defense and sovereignty studies (IHEDN), signaling a nuanced appreciation for geopolitical factors in cross-border projects.

8 years of coding experience

Master in Management Grande École, Master in Management Grande École at ESSEC Business School

Cycle IHEDN-Jeunes Défense géopolitique et souveraineté, Cycle IHEDN-Jeunes Défense géopolitique et souveraineté at Institut des hautes études de défense nationale (IHEDN)

Applied Graduate Energy Economics and Management (PEM), Applied Graduate Energy Economics and Management (PEM) at IFP School

Classes Préparatoires, Classes Préparatoires at Institution Saint Jean Douai Prépa HEC

français (langue maternelle), English, Spanish

Github Skills (6)

mvt7

verification6

android6

security6

ios5

mobile3

Programming languages (1)

Python

Github contributions (2)

Alt0183/Alt0183

Jan 2018 - Feb 2018

Contributions:97 commits, 3 PRs, 106 pushes in 1 month

mvt-project/mvt

Jul 2021 - Jul 2021

MVT (Mobile Verification Toolkit) helps with conducting forensics of mobile devices in order to find signs of a potential compromise.

Contributions:1 comment in 1 day

mvtsecuritysignsandroidforensics

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