From the Deck to the Digital Battlefield

20+ years of leadership across the U.S. Navy, federal government, and Fortune 500 enterprises — translating battlefield discipline into cybersecurity strategy that wins.

20+

Years of leadership experience

Fortune 500

Enterprises & governments served

3

Published cybersecurity books

Navy CPO

Retired Chief Petty Officer

Naval Service — Ships Served

Founder & President

Certifications

About Dewayne Hart

Dewayne Hart is a former U.S. Navy Chief Petty Officer, acclaimed author, and cybersecurity speaker who helps organizations transition from passive protection to active readiness. With over two decades of military service and experience advising Fortune 500 companies and federal agencies— including the VA, U.S. Army, U.S. Navy, Duke Energy, PwC, and Kaiser Permanente—he brings a mission- driven, practical approach to today’s evolving threat landscape

As founder of Secure Managed Instructional Systems (SEMAIS) and a former Forbes Technology Council contributor, Dewayne equips business leaders, government professionals, and teams with the clarity and confidence to understand cybersecurity’s true impact—and act decisively.

C R E D E N T I A L S

20+ years U.S. Navy Chief Petty Officer

Founder, SEMAIS — Cyber Readiness & GRC Advisory

Forbes Technology Council — former featured contributo

Author of two defining works on cyber leadership

Mission: Equip leaders and communities to think strategically, act decisively, and build resilient organizations in the digital age.

Dewayne Hart

Navy Veteran — Retired Chief Petty Officer

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, Founder & President, SEMAIS

Authored Books

First release

The Cybersecurity Mindset: A Virtual and Transformational Thinking Mode

A practical roadmap helping readers understand evolving threats, anticipate challenges, and make proactive decisions. Guides leaders on risk, resilience, and transformation — with frameworks accessible to both technical and non-technical professionals.

Latest Release

Cybersecurity Leadership: How to Develop a Successful Mentality and Win

A practical playbook for executives and aspiring leaders — equipping them with the mindset, strategies, and frameworks to lead in the digital age and turn cybersecurity into a strategic business advantage.

Signature Philosophy

Cybersecurity is not just about defense — it is about resilience, readiness, and leadership at every level of an organization.

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 for the entire enterprise.

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

GDS Group — Security North America Summit

Cybersecurity Leadership Starts Long Before the Attack

National Cybersecurity Summit

Cracking the Code: The Dual Relationship Between AI & Cybersecurity

Career Timeline

2005 – 2015

U.S. Navy

2015 – 2020

Cybersecurity

2018 – Present

Thought Leadership

2024

Book Announcement

December 2025

Book Launch