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TDWI Virtual Summit

Modern Data Stack 2026: Tools, Trends & Transformations

January 28, 2026

Free Half-Day Event

Steven Hillion

SVP AI & Data

Astronomer

Steven Hillion is the senior vice president of data and AI at Astronomer, the commercial entity behind the open-source data orchestration platform Apache Airflow. With over twenty years of experience in engineering and analytics, Steven currently leads the teams working with operational data to improve Apache Airflow.

Previously, he founded Alpine Data, acquired by TIBCO, to build a collaborative platform for data science. Before that, he built a global team of data scientists at Pivotal and developed a suite of open-source and enterprise software in machine learning. Steven holds a Ph.D. in mathematics from the University of California, Berkeley, and before that read mathematics at Oxford University.