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• Led activation redesign; increased trial-to-paid conversion by 18%.
• Launched pricing experiments across 3 tiers; improved ARR by 9% without churn.
• Built analytics instrumentation and weekly KPI review rhythm for a team of 12.
• Partnered with marketing to ship a PLG funnel that reduced CAC by 22%.

• Owned onboarding + billing roadmap; shipped self-serve subscription flows.
• Partnered with design + engineering to deliver quarterly OKRs on time.
• Introduced customer discovery program with 20+ interviews per quarter.
• Drove API adoption from 2k to 18k monthly active integrations.

• Managed the reporting module serving 800+ enterprise accounts.
• Reduced support tickets by 35% through UX improvements and inline help.
• Coordinated cross-team launch of real-time dashboard feature.

• Built SQL-based analytics pipelines for product and growth teams.
• Authored weekly insight reports used by C-suite for strategic decisions.
• Designed A/B testing framework that increased experiment velocity by 3×.

• Gathered requirements and wrote specs for client-facing web portal.
• Supported QA with test case authoring and regression testing.
• Created competitive analysis decks for investor presentations.

MSc, Business Analytics

University of Amsterdam

2016 — 2018

BSc, Economics

University of Warsaw

2012 — 2016

Exchange Semester, Data Science

Technical University of Munich

Spring 2015