Tristan Lemonnier
Partner
Tristan advises organisations on public affairs, strategic communications and advocacy, with deep experience supporting clients through complex, high-stakes situations.
He specialises in crisis and restructurings, and has led high-profile projects across France and Europe. He has also developed and delivered international advocacy and communications campaigns for French and international organisations navigating sensitive, business-critical issues.
Before joining Brunswick, Tristan led APCO Worldwide’s French office and headed its Transformation Practice in Europe. Earlier in his career, he was Director of Development and Operations at an AI start-up focused on the agro-ecological transition. He also served as Chief of Staff to the Deputy CEO of Econocom Group, where he led strategic transformation projects, acted as Secretary to the Executive Committee, and oversaw the reorganisation of subsidiaries within the mobility division.
Tristan is a graduate of ESSEC Business School’s Grande École programme, Université Paris II Panthéon-Assas and the University of Oxford.