Martin Jönsson

Julien Martin is a skilled consultant specialized in Power BI, with extensive experience in data analysis, operational performance, and client relations. Currently employed at Cellnex France since June 2022, Julien Martin has focused on standardizing operational data following acquisitions, implementing Power BI dashboards, and ensuring data reliability through SQL queries and Excel macros. Previously, Julien Martin worked at Bouygues Telecom as an analyst, where budget definition and performance analysis were core responsibilities. Prior roles at Apsia and Hermès involved BI consulting and CRM analysis. Julien Martin holds a Master's degree in Marketing Data Mining and Customer Relations from Montpellier Management, alongside a Bachelor’s degree in Economic Sciences from Université Paris-Est Créteil, demonstrating a solid educational foundation in economic and management principles.