Giannis Polyzos is a Principal Streaming Architect working on large-scale data infrastructure and real-time systems. He has designed and operated streaming platforms used in production by high-scale organizations. He is a PPMC member of Apache Fluss and has been deeply involved in Apache Flink and the broader streaming ecosystem. His work focuses on unifying batch and streaming architectures, simplifying data primitives, and enabling streaming analytics and stateful workloads at scale.