Blog
Notes on data, product and business.
What Makes a Good KPI? Goodhart's Law and the Art of Choosing What You Measure
Why a well-intentioned target sometimes produces the opposite behaviour, and what separates a useful KPI from one people learn to game.
Read Post →Data Quality and Governance: The Invisible Foundation of Every Reliable Decision
Why data reliability underpins every decision: the six dimensions of quality, the roles of governance, and where to start.
Read Post →Product Discovery with Teresa Torres: The Opportunity Solution Tree as a Strategic Compass
How the OST structures product decision-making and rigorously connects discovery to delivery.
Read Post →Online Payment Fraud: Challenges, Detection and Strategies for E-Commerce Players
Types of fraud, PSP roles (Stripe, Worldpay, PayPal, Ebanx), key metrics and detection strategies.
Read Post →The Importance of Soft Skills in Data Roles: Lessons from Volunteering
How volunteering taught me crucial non-technical skills for a career in data.
Read Post →The Importance of Reproducibility in Data Science: Git, Docker, and Beyond
Discover the best practices and essential tools to ensure your analysis results are reliable and reproducible.
Read Post →The Data Lakehouse: The New Architecture Reconciling Data Lakes and Data Warehouses
Exploring the concept, advantages, and use cases of this modern data architecture.
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