Panos Alexopoulos is a data and AI professional known for his work at the intersection of data, semantics, and software. He currently serves as the Lead for Semantic Data & AI Solutions at Triply, based in Amsterdam. Alexopoulos is also an author and trainer for O'Reilly Media, and his expertise is encapsulated in his book, "Semantic Modeling for Data - Avoiding Pitfalls and Breaking Dilemmas," which was published in September 2020.