Michael Bader

- Data Validation and QA for data migration - Dashboard and automated reports development - Testing and QA of ETL processes - Ad-hoc analytics requests Tools: SQL, Databricks, Tableau, DBT

- Enabling marketing communication automatisation via SQL and SAP Emarsys - Enabling customer segmentation via RFM models - Creating and maintaining core business data sets for Product and Marketing using Google Dataform

- Supporting customer success teams with insights on product usage and customer loyalty analyses - Supporting sales pipelines by building a comprehensive sales reporting

- Creating data models and Tableau dashboard for portfolio risk assessments - Supporting business stakeholders with analyses on customer churn - Supporting data quality and DWH consistency

- Detecting fraud patterns by implementing aggressive anti-fraud rules while maintaining acceptable false positive rates - with the effect of reducing fraud exposure to users by up to 80% - Supporting ideation and roll-out of new trust and safety features to the platform to block fraudulent activity and increase user awareness for fraud - Supporting Product, Development and Customer Support with BI reports and further guidance to identify and fight fraud and policy violations

- Supporting the roll-out of Germany's largest online vehicle marketplace new product Online-Kauf (Online Buying) - Setting up KPI framework and reports to measure customer success for both buyers and sellers, identifying pain points and keeping customer satisfaction high - Creating a sales funnel and analysing drop-offs to improve conversion rate

- Creating Tableau dashboards for top management to visualise sales success and identify business opportunities - Guiding and mentoring stakeholders to convert from Excel pivot tables to a proper BI tool

Supporting Management and Product with Data Insights on User Engagement Metrics, User Retention, Customer Lifecycle, Product Usage, A/B Testing, Data Instrumentation, Data Quality Assurance Tools: Amplitude, Tableau, Amazon Redshift, Redash, Apptimize, Braze, Adjust

Supported design, setup and roll-out of a new segmentation for PayPal’s global consumer base; Created datasets and self-service dashboards for consumer product penetration, segment migration, consumer lifecycle; Generated insights to help reduce consumer activation friction and increase Net New Actives

Supported product roll-outs – Setup of KPI framework, instrumentation guidance, A/B testing, product performance data extraction, preparation, presentation and recommendation of actions Main projects: eBay’s next generation checkout with deep PayPal integration; free P2P payments in Germany; 'Payment upon Invoice' - PayPal's invoice product in Germany; 'PayPal Plus' - One-stop-shop solution for smaller merchants; Revamp of consumer onboarding funnel

Master’s thesis analysing the impact of pricing changes on PayPal’s top customers

Course specialisation: Mathematical Programming; Combinatorial Optimization; NP-complete problems, calculating running times of approximation algorithms Thesis: Impact analysis of pricing changes on PayPal’s top customers

Focus on Finance and Entrepreneurship

Thesis: Business Models of Social Networks