Dewayne Hart is an All-Cyber professional who believes cybersecurity is no longer just technical—it’s a leadership, mindset, and quality-of-life challenge that shapes how we live, work, and connect. Known for delivering practical strategies and actionable roadmaps, Dewayne helps businesses and individuals stay proactive against evolving threats in a digital world. At the core of his approach is a simple principle: to defend effectively, people must think like adversaries. He equips audiences with the knowledge and tools to put on a “Hacker’s Hat,” anticipating threats before they become incidents. Before entering commercial IT, Dewayne spent 20 years in the U.S. Navy, specializing in computer systems and weapons defense platforms. That experience shaped his mission-focused discipline and operational approach to cybersecurity. In 2014, he founded Secure Managed Instructional Systems, LLC (SEMAIS), a cybersecurity advisory and workforce development firm dedicated to defense, risk management, and resilience, guided by the motto: “Sustaining 360-Degree Cyber Visibility.” Dewayne is a recognized voice in the cybersecurity community and host of the Chief of Cybersecurity platform, exploring how security impacts everyday digital life. His work spans Artificial Intelligence, leadership, workforce modernization, cyber awareness, and cybercrime—bridging technical realities with leadership accountability. He is the author of The Cybersecurity Mindset, encouraging anticipation of threats through rethinking risk, and Cybersecurity Leadership – How to Develop a Successful Mentality and Win, which examines how culture and leadership decisions influence security outcomes. From the National Cybersecurity Summit to Incyber Forum and Techno Security & Digital Forensics Conference, Dewayne inspires executives, practitioners, and students alike. His mission is clear: to empower people everywhere to be informed, proactive, and resilient in the digital world.