Thomas Tegtmeier

Variety of data projects using Azure, GCP, SQL, Python, Power BI and Tableau

Working for the Financial Office using Power BI (DAX), Tabular Editor, SQL Server and Azure Data Factory for bringing the data together towards decision making. Started the BI unit from scratches and implemented ETL tools, a central Data Warehouse and Power BI as reporting tool. I've integrated the Cash Flow Management tool CashAnalytics with SAP HANA, using Azure Data Factory to extract the data from SAP and send them via an API to CashAnalytics, enabling the possibility to send daily data.

Beemining [Remote-Chile]​ : BI Consultancy. Python, Tableau and SQL Airlife [Remote-Chile]​ : Cleaning Company. Python and Tableau Omnibnk [Remote-Colombia]​ : Neobanking Industry. Tableau and SQL Grep [Remote-Chile]​ : Software Factory. Tableau Frogmi [Remote-Chile]​ : Store Operations Consultancy. Tableau and SQL Sustain Value [Remote-UK]​ : Economic Sustainability Consultancy. Tableau UpTheTrade [Remote-Chile]: Market Analysis. Tableau

Fourth largest Chilean employer, 2nd largest market share in the food/grocery category Led the Customer Analytics team (7 people), reporting to CRM Manager Supervised following team’s activities: - Customer analysis using SQL and Tableau - Supervised and unsupervised Machine Learning models (descriptive and predictive customer churn, clustering, shopping cart analysis, value segments) - Incremental sales with target and control groups, automated with stored procedures

Handled customer relations and supervised execution of projects Estimated BI-Projects times and scope Pre-sales Technical Expert for Tableau projects

Developed data visualization reports using Tableau Worked with SQL Engines like Mysql, SQL Server, Oracle, but mainly with Postgresql Used R, Python and Rapidminer for data preprocessing

​ Machine Learning, Knowledge Discovery, Databionics, Temporal Data Mining

Best Student of the Class

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