Mads Esholdt Wiemann

Mads Esholdt Wiemann is an experienced data professional currently serving as a Data Scientist at Ahlsell Danmark since November 2024. Previously, Mads held the role of Senior Data Engineer/Data Scientist at MovieStarPlanet ApS from November 2022 to November 2024, and Senior Consultant at NexusOne from January 2022 to November 2022. Mads also worked as a Senior Consultant and Data Science Consultant at Knowit between April 2018 and December 2021, alongside mentoring a DTU student in machine learning at Conflux. Earlier positions include Lead Data Scientist at AO Johansen and Business Intelligence Consultant at BEC, where Mads focused on data warehousing, automating ETL processes, and developing finance solutions using COBOL and DB2. Mads has a strong educational background, with degrees from Copenhagen Business School, Technical University of Munich, and DTU - Technical University of Denmark, including expertise in biomedical computing and engineering.