Featured essay
055
Discovery & Validation
Opportunity Sizing: Worked Example and Template
Size a product opportunity with a worked example and free Excel template. Compare reach, problem incidence, capture, and value using explicit assumptions.
I turn ideas into products that people can use.
Featured project
Chroni
An emergency-preparedness app for families, with personal plans, supply tracking, and crisis guides that remain available offline.
Topics I write about
Start with the question you have.
Browse articles on strategy, discovery, delivery, measurement, leadership, and technical product work.
Product Strategy
Articles about markets, goals, priorities, roadmaps, and deciding what a product team should — and should not — work on.
ExploreDiscovery & Validation
Find out what users need, test the riskiest assumptions, and decide what is worth building.
ExploreDesign & Delivery
Design useful experiences, work well with engineering, and move from an idea to a reliable product.
ExploreMeasurement & Growth
Choose useful metrics, understand user behaviour, run sound experiments, and find practical ways to grow a product.
ExploreLeadership & Organisation
Handle stakeholder expectations, develop teams, communicate decisions, and improve how the organisation works around the product.
ExploreAI & Technical Product
Articles about AI, automation, data platforms, technical systems, and the product choices that come with them.
ExploreLatest writing
Latest articles.
145
AI & Technical Product
Designing AI Agents: Set the Autonomy Boundary Before the Workflow
Choose between rules, assistance, and an agent by defining action scope, permissions, confirmation, recovery, audit, and human takeover.
144
Design & Delivery
Accessibility Acceptance Criteria That a Product Team Can Actually Test
Turn accessibility needs and WCAG criteria into change-specific evidence across automation, keyboard checks, assistive technology and known limits.
143
Measurement & Growth
Product Decisions Without A/B Tests: A Causal Brief
Brief an observational causal analysis with an explicit question, causal structure, confounders, identification limits, and a bounded product decision.
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