Patrick Wardle is a well-respected expert in the field of macOS security with an impressive and diverse background that includes working at NASA and the NSA. He is the founder of Objective-See, a company that provides free open-source security tools for Mac users. Wardle's educational background includes a Bachelor of Science in Information and Computer Science from the University of Hawaii at Manoa, and two Master of Science degrees from The Johns Hopkins University in Computer Science and Security Informatics.

Throughout his career, Wardle has presented at numerous security conferences and is known for his ability to find Apple 0days and analyze macOS malware. He has held various positions in different organizations, including Chief Executive Officer at SWEASH, Principal Security Researcher at Jamf, and Chief Security Researcher at Synack, Inc. Wardle's successes in the industry have led him to be featured in various publications, and he maintains an active presence on social media where he shares his insights on macOS security.