Joshua Saxe is Chief Scientist at Sophos, where he manages the Sophos AI team, and provides strategic leadership for the company's research and development efforts. Before joining Sophos, Saxe was Chief Data Scientist at Invincea, where he led the development of machine learning systems for analyzing, detecting, and blocking malware executables and malicious behavior, and was Principal Investigator on multiple DARPA funded efforts focused on applying machine learning and data visualization to the federal government's cybersecurity challenges. He is the author, with Hillary Sanders, of the book Malware Data Science, from No Starch Press, and an author on multiple patents and peer-reviewed security machine learning papers.