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Strategic transformations require anticipation and a 360° vision, to onboard all the different stakeholders and take the right decision at the right time.

Jean Guillou joined Eight advisory in 2018 within the strategy & Operations team where he leads pre-deal and post deal projects.

Recent pre-deal engagements led by Jean include different types of situations: Standalone LBOs, Carve-outs and Build-ups / Synergies identification.
Main post deal engagement led by Jean, relate to strategic operating model evolutions with a specific attention to strategic value creation levers using an End to End approach.

He mainly focuses on B2B industries and healthcare sector leveraging his past experience as former head of operations in the chemical industry and electronic equipment second life management.

Jean Started his career with Thalès, before joining one of the Big 4.

The core value of Eight Advisory that defines me the most


Excellence is the commitment we have to deliver distinctive high value added to our clients. It requires integrity and respect towards the client and internal teams.

It recognizes the need for not only distinctive problem solving capabilities but also deep interaction skills and depth of knowledge.

Orchestrating the excellence in a strategic transformation requires an entrepreneurial spirit to trigger the right lever at the right time, thinking link an entrepreneur and not like a hired hand.


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Strategy, organization & Management – Operations, purchasing and supply chain – 2022 Ranking – Consulting firm – France – Leaders League

Transformation Finance

Restructuring & companies in difficulty – Chief restructuring advisors – 2022 ranking – Consulting Firm – France

Transformation Finance