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Julien Martin is an experienced consultant specializing in Power BI, with a current position at Cellnex France since June 2022. Responsibilities include standardizing operational data following acquisitions, implementing Power BI dashboards, and ensuring data reliability through SQL queries and Snowflake dataset mapping. Previously, Julien served as an analyst at Bouygues Telecom, focusing on customer service budget and performance forecasting, and as a BI and CRM consultant at Apsia, where skills in dashboard creation and user training were honed. Early career experiences include CRM analysis at Hermès and product management at ORCHESTRA-PREMAMAN, supported by a strong academic background in Marketing Data Mining and CRM from Montpellier Management.