Spiros Antonatos is a lead engineer at Aegis Technologies Pte Ltd, where he works on high-performance threat intelligence products. Previously, he was a research manager at Tenable and a research scientist and manager at IBM Research. He has authored and co-authored 32 conference papers, 4 journal papers, and 12 patents for web security, privacy, and network monitoring. He earned his PhD at the Computer Science Department, University of Crete, Greece.