Daniel Costea

Daniel Costea is a Senior AI Software Engineer with more than 20 years of experience in .NET technologies and applied artificial intelligence. Based in The Hague, Netherlands, he has spent his career designing production-ready systems at the intersection of enterprise software engineering and AI, from distributed microservices and event-driven architectures to agentic AI systems built on Microsoft Agent Framework and Semantic Kernel. Microsoft has recognized Daniel as a Most Valuable Professional (MVP) in both AI and .NET continuously since 2019. He is also a certified Azure AI Engineer Associate (AI-102) and holds the Azure AI Fundamentals certification (AI-900). As an international speaker with over a decade on the conference circuit, Daniel has delivered more than 100 sessions across Europe and the United States, covering .NET architecture, machine learning, LLM integration, and multi-agent system design. His sessions are consistently code-first and practically focused. He is the author of Building AI Agents in .NET: A code-first approach using Microsoft Agent Framework (Manning Publications), a hands-on guide that teaches .NET developers and architects how to design and ship production-grade agentic AI systems in C#, covering orchestration patterns, observability, memory, tool integration, and multi-agent coordination.