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Nadia Hadjali Belharrat is an experienced business intelligence expert currently working at Trianon SA since October 2018. Previously, Nadia held various roles at KeplerCheuvreux from November 2012 to September 2018, including project manager for business intelligence and SAP BI analyst. Nadia's career also includes significant positions at HSBC, where responsibilities ranged from project management to equity market risk analysis, as well as a role as an IT software engineer at Investance. Nadia began their professional journey as a mathematics professor and author, contributing to educational resources. Academically, Nadia holds advanced degrees in mathematics and statistics from renowned institutions, including Pierre and Marie Curie University and Université Mouloud Mammeri Tizi-Ouzou.