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Mark Druffel Portland, OR
Data scientist with a decade of experience. I love to problem solve, build things, and use data visualization tell stories and build rich experiences.
Experience
Lead Data Scientist
84.51°
Remote
2022
Enable Kroger’s personalization and loyalty team to design and execute random controlled trials (RCT) to measure the success of targeted marketing campaigns.
- Design campaign measurement dashboards and reports for marketing teams
- Led the team’s data pipeline refactor project which improved velocity, code quality, and enabled new capabilities
Senior Data Analyst
DocStation
Remote
2021
Founding member and first analytics hire for a seed funded start-up.
- Expanded the data warehouse by developing data models in the pipeline with SQL, pyspark, and Airflow
- Designed and developed dashboards that were used by business operations using Apache Superset and R Shiny
- Led analysis projects that improved task targeting, sales, and user retention
Data & Analytics Consultant
Propeller
Portland, OR
2017
Worked with clients to develop strategies and road maps and execute projects.
- Created a feedback loop between a product team and their end-users by developing a text analysis and NLP pipeline, which automatically identified user pain points
- Designed a prototype app that enabled an HR team to transition to a data-driven recruitment process, improving velocity and candidate quality
- Developed and facilitated an analytics workshops
- Developed internal analytics infrastructure to streamline Propeller’s operations including API wrappers, a data pipeline, and automated reporting
Business Intelligence Manager
Northern Trust, Hedge Fund Services
Chicago, IL
2013
Managed a global team that directly served business partners and end users.
- Designed and developed an analytics pipeline that identified bottlenecks, forecasted server demand, etc. to measure and manage tech debt
- Developed dashboards and reporting using Tableau and eGlue (homegrown)
- Managed tech services on behalf of the business including access management, data transfer, and data quality assurance
- Trained my team in Excel, SQL, Tableau, R, and Python
Senior Consultant
Plante Moran
Chicago, IL
2011
Managed IT audits and risk assessments for clients in various industries
Staff Auditor
Fifth Third Bank
Cincinnati, OH
2010
Executed financial audits, IT audits, and risk assessments