EXPERT ON:
◉ Leadership Development
EXPERIENCE:
◉ Cyber defense leadership forged through service, with Dewayne Hart bringing 20 years of U.S. Navy experience maintaining computer systems and weapons defense platforms, shaping a mission-driven, operational approach to cybersecurity.
◉ Founder and strategic advisor, establishing Secure Managed Instructional Systems, LLC in 2014 to deliver 360-degree cyber visibility through risk management, workforce development, and proactive defense strategies.
◉ Thought leader and educator, authoring two books on cybersecurity mindset and leadership, hosting the Chief of Cybersecurity platform, and speaking at major global conferences to equip leaders and organizations to anticipate threats by thinking like adversaries.
Dewayne Hart is an All-Cyber professional who believes cybersecurity is no longer just a technical issue—it is a leadership, mindset, and quality-of-life challenge that affects how we live, work, and connect.
Known for delivering common-sense strategies and actionable roadmaps, Dewayne helps businesses and citizens stay proactive against rapidly evolving threat actors in an increasingly digital world.
At the core of his approach is a simple but powerful idea: to defend effectively, people must learn to think like adversaries. Dewayne equips his audiences with the knowledge, resources, and tools to put on a “Hacker’s Hat,” enabling them to anticipate threats before they become incidents. Before entering the commercial IT sector, Dewayne spent 20 years in the U.S. Navy, where he specialized in maintaining 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 cyber defense, risk management, and resilience, guided by its motto: “Sustaining 360-Degree Cyber Visibility.”
Dewayne is a recognized voice in the cybersecurity community and the host of the Chief of Cybersecurity platform, where he explores how cybersecurity directly impacts everyday digital life. His work spans Artificial Intelligence, cybersecurity leadership, cyber awareness, workforce modernization, and cybercrime—bridging technical realities with leadership accountability.
He is the author of two books that explore how mindset and leadership—not just technology—shape digital safety: The Cybersecurity Mindset, which challenges people to anticipate threats by rethinking risk and resilience, and Cybersecurity Leadership – How to Develop a Successful Mentality and Win, which examines how leadership decisions and culture influence security outcomes.
From the National Cybersecurity Summit to Incyber Forum and Techno Security & Digital Forensics Conference, Dewayne has inspired executives, practitioners, and students alike.
His mission is clear: to empower people everywhere to be informed, proactive, and resilient in the digital world.
