Leonhard Spiegelberg is a Member of Technical Staff at OpenAI, where he works on exabyte-scale data and agentic infrastructure for production-critical workloads. He holds a PhD in Computer Science from Brown University as a Facebook Fellow, where he researched speculative compilation techniques for efficient data processing. Previously at Snowflake, he originated and shipped pandas on Snowflake, bringing native DataFrame computing to the data warehouse. In addition to multiple patents, his research has been published at VLDB, SIGMOD, and OSDI.
