Steven Hillion has been leading engineering and analytics teams for twenty years. At Astronomer, his team works 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. Earlier, he led engineering at a series of start-ups that resulted in acquisition or IPO. Steven is originally from Guernsey, in the British Isles. He received his Ph.D. in mathematics from the University of California, Berkeley, and before that read mathematics at Oxford University.