Blog · Author10 posts # Alexandros Andre Chaaraoui Co-founder and CTO at Trackingplan, with a PhD in Artificial Intelligence, driving innovation and developing reliable analytics solutions. Latest 10 posts · newest first - [ 10 minTrackingplanOctober 27, 2026 ### Context layer for AI agents: how we built ours What a context layer for AI agents is, how it differs from a semantic layer, and five lessons from building the one behind Trackingplan's analytics agent. by **Alexandros Andre Chaaraoui**](/blog/context-layer-for-ai-agents) - [ 12 minTrackingplanOctober 25, 2026 ### Agent harness for marketing data: how we built ours An agent harness is everything around the model. How we built one for marketing data: the semantic layer, the tools, the evals, and what we threw away. by **Alexandros Andre Chaaraoui**](/blog/agent-harness-for-marketing-data) - [ 13 minTrackingplanSeptember 28, 2026 ### Same models, different answers. Inside the new agentic Trackingplan: how it works, and why it isn’t comparable to an LLM with an MCP. by **Alexandros Andre Chaaraoui**](/blog/same-models-different-answers) - [ 10 minTrackingplanJuly 24, 2026 ### A third of the team. Four times the PRs each. Higher quality. Our engineering team went from eight people to three while output hit record highs and bugs fell by half. How a small team ships more with AI, in real numbers. by **Alexandros Andre Chaaraoui**](/blog/trackingplan-x-ai-an-engineering-note) - [ 7 minData QualityApril 25, 2026 ### Data Integrity for Web Analytics: How One Enterprise Solved Its Cross-Platform Data Quality Crisis with Automated Observability How one e-commerce company reduced analytics discrepancies by 94% with automated data observability: real-time monitoring, better attribution, faster teams. by **Alexandros Andre Chaaraoui**](/blog/data-integrity-for-web-analytics-how-one-enterprise-solved-its-cross-platform-data-quality-crisis-with-automated-observability) - [ 22 minData GovernanceJanuary 16, 2026 ### 10 Key Data Protection Officer Responsibilities for 2026 Discover the 10 core data protection officer responsibilities. Get a detailed breakdown of DPO duties with examples, tips, and compliance checklists. by **Alexandros Andre Chaaraoui**](/blog/data-protection-officer-responsibilities) - [ 19 minData GovernanceJanuary 15, 2026 ### Your Essential Privacy Impact Assessment Template for Martech Download our proven privacy impact assessment template to ensure your martech and analytics stacks are compliant. Get a real-world guide to securing your data. by **Alexandros Andre Chaaraoui**](/blog/privacy-impact-assessment-template) - [ 20 minData GovernanceJanuary 14, 2026 ### A Practical Guide to Privacy by Design Principles Learn how to implement the 7 core privacy by design principles. Our guide helps data teams build trust and embed data privacy into any system from day one. by **Alexandros Andre Chaaraoui**](/blog/privacy-by-design-principles) - [ 6 minTrackingplanMarch 4, 2024 ### Crafting a Golden Baseline for Analytics Testing Learn how to craft a golden baseline for analytics testing, ensuring reliable, accurate analytics reports by mitigating the risks of poor data quality. by **Alexandros Andre Chaaraoui**](/blog/crafting-a-golden-baseline-for-analytics-testing) - [ 4 minTrackingplanNovember 14, 2022 ### Shifting Left your Analytics Testing Avoid compromising your data with Trackingplan’s fully automated Quality Assurance solution for your digital analytics. by **Alexandros Andre Chaaraoui**](/blog/shifting-left-your-analytics-testing) Trackingplan ## See everything. Miss nothing. Your implementations audited around the clock with real-time, real-user data. Real-time alerts about errors or changes in your data, campaigns, pixels, privacy and consent. Let AI flag issues before they cost you. [Start free trial →](https://app.trackingplan.com/signup) [Book a demo](/demo)