Empowering Everyone to Stay Informed and Prepared
Dewayne Hart — Navy Veteran and “Chief of Cybersecurity”
From the Deck to the Digital Battlefield
Transitioning to cybersecurity, Dewayne has led initiatives in security engineering, vulnerability management, and consulting, helping organizations such as the Department of Veterans Affairs, PwC, Kaiser Permanente, and Wells Fargo reduce risk and strengthen workforce readiness. As Founder and President of SEMAIS, he bridges operational excellence with digital defense, emphasizing people, culture, and leadership as critical to cybersecurity.
Author & Mission
Authored Books
“Combining military precision with cybersecurity expertise, I help organizations and leaders navigate high-stakes digital environments, fostering resilience, strategic thinking, and a culture where security and innovation thrive together.” — Dewayne Hart
He writes to educate, empower, and inspire, emphasizing that cybersecurity impacts everyone—from executives to students and families. In an era of AI-driven attacks and sophisticated cybercrime, leaders must stay ahead of threats.
Through his Chief of Cybersecurity podcast, YouTube channel, and “Cyber Talk” engagements, Dewayne translates complex security concepts into actionable strategies. His mission goes beyond technology: he equips leaders and communities to think strategically, act decisively, and build resilient organizations, shaping a new generation of cyber defenders.
Selected Speaking Engagements
From Boardrooms to Cyber Frontlines, Dewayne Inspires Leaders Worldwide
GDS Group Security North America Summit – Keeping Business at The Forefront of Cybersecurity
GovTech Con – How to Pivot from A Technical Expert To A Strategic Leader
Incyber Forum –
AI and Modern Warfare
Techno Security & Digital Forensics – Building 360° of Cyber Visibility
Capitol Technology University – Cybersecurity Leadership Starts Long Before the Attack
National Cybersecurity Summit – Cracking the Code: The Dual Relationship Between AI & Cybersecurity
Signature Philosophy
Cybersecurity is not just about defense—it’s about resilience, readiness, and leadership at every level.
Strong programs are built on strong leaders. Technology follows vision, not the other way around.
The right mindset transforms cybersecurity from a technical function into a strategic advantage.
Professional Highlights Timeline
2005–2015 | U.S. Navy
- Developed leadership and operational expertise under high-pressure conditions.
- Managed mission-critical operations with strategy, risk assessment, and team coordination.
2015–2020 | Cybersecurity Leadership
- Led initiatives for government and enterprise organizations.
- Implemented risk mitigation, compliance frameworks, and vulnerability assessments.
2018–Present | Speaking & Thought Leadership
- Delivered keynotes, workshops, and webinars on leadership, cybersecurity, and professional growth.
- 2022 Started to podcast and talk about business leadership
- 2022 Launched the cybersecurity mindset
2024 | Book Announcement
- Began writing Cybersecurity Leadership – How to Develop a Successful Mentality and Win.
December 2025 | Book Launch
- Publication of Cybersecurity Leadership, with signings, media appearances, and speaking tours.
Summary
Dewayne Hart bridges innovation, leadership, and everyday life, inspiring and equipping organizations and individuals to be secure, resilient, and confident in the digital world.