Ibrahim Denis Fofanah
Data Scientist & AI Researcher
Data scientist, AI researcher, and author. Writing about agentic systems and AI in Africa.
7 Pandas One-Liners That Replace 20 Lines of Data Cleaning
Seven vectorized pandas one-liners that replace dozens of lines of manual cleaning code — with copy-paste examples.
Ibrahim Denis Fofanah·Jul 10, 2026·3 min
The Agent Revolution Is Here — and Most Organizations Are Not Ready
As LLM-powered agents move from research demos to production infrastructure, the gap between early adopters and the rest is widening fast. Here's what the data actually shows.
Ibrahim Denis Fofanah·Feb 28, 2026·14 min
How Rwanda Is Building a Sovereign AI Cloud for the Continent
A national compute strategy aimed at keeping African data on African soil.
Ibrahim Denis Fofanah·Feb 26, 2026·4 min
Building Multi-Agent Pipelines with LangGraph: A Practical Guide
Wire up a supervisor, three workers, and durable state in under 200 lines.
Ibrahim Denis Fofanah·Feb 25, 2026·12 min
RAG vs. Fine-Tuning: A 2026 Decision Framework for Practitioners
Stop arguing. Here's a decision tree grounded in cost, latency, and drift.
Ibrahim Denis Fofanah·Feb 23, 2026·8 min
Memory, Planning & Tool Use: The Three Pillars of Production Agents
Beyond the hype — what actually makes an agent capable in real-world deployments.
Ibrahim Denis Fofanah·Feb 22, 2026·10 min
Why 73% of Agentic AI POCs Never Reach Production
The failure modes nobody talks about — and how to avoid them.
Ibrahim Denis Fofanah·Feb 20, 2026·7 min
Reasoning Models Explained: What Test-Time Compute Means for Applied ML
Chain-of-thought, test-time compute, and the new frontier of model intelligence.
Ibrahim Denis Fofanah·Feb 19, 2026·9 min
Fine-Tuning Llama on Domain-Specific Data: Complete Walkthrough
From dataset curation to LoRA training on a single A100. Reproducible code included.
Ibrahim Denis Fofanah·Feb 18, 2026·18 min
This Week's Must-Read Papers in LLM Alignment & Safety
Plain-English summaries of the 5 papers shaping the next generation of AI.
Ibrahim Denis Fofanah·Feb 16, 2026·6 min
Mechanistic Interpretability: What Feature Circuits Tell Us About Safety
What the new interpretability research means for safe AI development.
Ibrahim Denis Fofanah·Feb 15, 2026·4 min
Building Krio-First AI: The Case for Indigenous Language Models in West Africa
Low-resource does not mean low-value. A blueprint for language sovereignty.
Ibrahim Denis Fofanah·Feb 13, 2026·11 min