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TESSON Sébastien is an experienced expert in construction and has held various significant roles in the industry since 2006. Currently serving as an Expert Construction at 3C Expertises since July 2024, TESSON previously worked as a Directeur Technique at Cogedim from September 2019 to November 2024. Prior roles include Ingenieur Appels d’Offres at PROMOGIM from April 2018 to September 2019 and Charge d'Opérations at Pierres et Territoires de France Alsace from September 2011 to April 2018, where responsibilities included managing real estate operations from the permit application phase to post-sale services. TESSON began the career as Charge d'Affaires at Groupe Qualiconsult from July 2006 to August 2011. TESSON holds a Diplôme d'Ingénieur with a specialization in building from ESITC de Metz, obtained in 2010.