John Nuckles

Cybersecurity and risk management executive with 30+ years of experience supporting DoD, Intelligence Community, and national security missions. Proven expertise in Risk Management Framework (RMF) implementation, ATO lifecycle management, and cybersecurity policy compliance. Trusted advisor to senior leadership, bridging compliance requirements with operational readiness and technical solutions. Skilled at mentoring teams, integrating cybersecurity into acquisition lifecycles, and strengthening enterprise security posture.

Core Competencies

• Risk Management Framework (RMF) & ATO Lifecycle
• Cybersecurity Policy, Planning & Compliance (DoD/NIST)
• Cyber Risk Assessment & Mitigation
• Acquisition & Systems Engineering Integration
• Cybersecurity Governance & Change Management
• Stakeholder Engagement & Executive Advisory
• DoD/IC Cybersecurity Directives (DoD 8500, NIST 800, Clinger-Cohen)
• Interagency & High-Level Working Group Representation

MBA University of Denver (Specialty in Operations Research)

MA University of Denver (International Studies/Focus on Technology Transfer)

BA Southwestern University (International Studies)

Certificate in Negotiation Harvard University