Panos Alexopoulos is a Data and AI practitioner, author, and educator with more than 20 years of industry experience designing and delivering data and AI solutions across multiple domains.
He is the author of Semantic Modeling for Data (O’Reilly Media, 2020) and is currently writing Evaluating AI Systems, a practitioner-focused book on systematic AI evaluation, to be published by Manning in 2027.
Panos has designed and delivered more than 30 courses and workshops on Data and AI topics, reaching thousands of practitioners worldwide. His teaching portfolio includes two highly popular O’Reilly live courses on AI Evaluation (4 editions so far) and GraphRAG (11 editions so far), as well as an MSc-level course on Knowledge Graphs and LLMs at the Athens University of Economics and Business.
Workshops
Single-day, hands-on sprints to practice new skills
Lightning Lessons
Free, interactive sessions to explore new topics
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