Keith Christiansen — CEO

I am a Senior Technical Operations & Delivery Leader with over two decades of proven Strategic Leadership in high-stakes military and IT environments. My expertise is driving Enterprise Transformation by modernizing and scaling critical technology functions. My Value Proposition: I lead the execution of high-impact security and technology initiatives that directly enable mission success and protect critical assets. I am known for building and aligning elite, high-performing teams to successfully navigate the most complex enterprise challenges. Leading Security & Cloud Transformation: I specialize in moving organizations from reactive to proactive, mission-aligned cybersecurity capabilities. This includes architecting robust programs, modernizing legacy environments, and managing large-scale integration efforts (e.g., threat response, endpoint security, compliance, managed cyber services). Driving Delivery: In my current role, I oversee a large, multidisciplinary cybersecurity division, focusing on strategic direction and delivery across all technical operations. I don't write code or rules, I lead the people and the change required to deliver a modern, resilient enterprise. My foundation as an Army Lieutenant Colonel underpins this approach, instilling the discipline, strategic mindset, and decisive execution required to deliver results where failure is not an option. Speaker & Thought Leader: As an active Tech & Leadership Speaker, I deliver keynotes on complex topics, sharing practical insights gained from leading mission-critical operations. ***Personal account. No Department of Defense endorsement*** The opinions and views expressed here belong solely to the author and do not necessarily reflect those of the Department of Defense (DoD) or its components. Any mention of commercial products or services does not imply DoD endorsement. Additionally, the presence of external hyperlinks does not signify DoD approval of the linked websites or their content, products, or services.

Stackforce AI infers this person is a Cybersecurity and Operations Management expert in military and enterprise environments.

Location: Sierra Vista, Arizona, United States

Experience: 14 yrs 9 mos

Skills

Cybersecurity
Leadership
Operations Management
Network Security
Project Management

Career Highlights

Over two decades of strategic leadership in military and IT.
Expert in driving enterprise transformation and cybersecurity.
Proven ability to build high-performing teams.

Work Experience

U.S. Army Network Enterprise Technology Command

Cyber Security Operations Division Director - Global Cyber Center (1 yr 11 mos)

The Joint Staff

Branch Chief: Combined Joint All-Domain Command and Control (6 mos)

Branch Chief: Cyber Security and Governance Division (5 mos)

7th Signal Command

Deputy Director, Network and Cyber Operations (1 yr 11 mos)

Director of Communications and Cyber Operations (11 mos)

Program Manager | Network Operations Officer (1 yr 5 mos)

U.S. Army Command and General Staff College

Student | class leader (1 yr 1 mo)

Ira A. Fulton Schools of Engineering at Arizona State University

Graduate Student (1 yr 4 mos)

63rd Signal Battalion

Division Director | Network Edge Deployments | Company Commander (2 yrs 1 mo)

35th Signal Brigade

Network Officer (5 mos)

11th Signal Brigade

Operations Officer (5 mos)

Executive Officer (1 yr 5 mos)

Platoon Leader (11 mos)

Education

Master of Arts - MA at U.S. Army Command and General Staff College

Master of Science - MS at Ira A. Fulton Schools of Engineering at Arizona State University

Captain's Career Course at US Army Signal Center of Excellence

Bachelor's degree at Arizona State University

Keith Christiansen

CEO

Sierra Vista, Arizona, United States14 yrs 9 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Over two decades of strategic leadership in military and IT.
Expert in driving enterprise transformation and cybersecurity.
Proven ability to build high-performing teams.

Stackforce AI infers this person is a Cybersecurity and Operations Management expert in military and enterprise environments.

Contact

Skills

Core Skills

CybersecurityLeadershipOperations ManagementNetwork SecurityProject Management

Other Skills

Security TransformationOperational ExcellenceThreat DefenseEndpoint SecurityIdentity SecurityTechnology AlignmentBudget OptimizationCyber ExercisesTeam LeadershipStrategic DirectionStakeholder EngagementResource OptimizationCommunication StrategiesRisk ManagementZero-Trust Strategy

About

Experience

14 yrs 9 mos

Total Experience

1 yr 7 mos

Average Tenure

1 yr 11 mos

Current Experience

U.s. army network enterprise technology command

Cyber Security Operations Division Director - Global Cyber Center

May 2024 – Present · 1 yr 11 mos · Fort Huachuca · On-site

Global cybersecurity operations leader driving hands-on implementation of emerging technologies and operational excellence across a massive enterprise network. Directly accountable to the Commanding General for all endpoint, network, and enterprise security operations, leading multi-disciplinary teams worldwide.
Key Achievements & Responsibilities:
Security Transformation & Operational Excellence: Executed enterprise-wide initiatives, driving rapid adoption of emerging technologies and globally repeatable operational processes.
Real-World Threat Defense: Led defensive operations against advanced persistent threats (APTs), scaling Microsoft Sentinel and integrated tools to improve detection and accelerate response globally.
Enterprise Endpoint & Identity Security: Deployed Microsoft Defender for Endpoint (MDE) across all endpoints and Microsoft Defender for Identity (MDI) on domain controllers, establishing enterprise-wide endpoint resilience.
Global Technology & Policy Alignment: Operationalized Intune policies across global stakeholders, aligning deployments with compliance, risk, and mission priorities.
Budget & Resource Optimization: Delivered technical analyses and recommendations that realigned technology investments, achieving multi-million-dollar savings while enhancing operational capabilities.
Cyber Exercises & Workforce Readiness: Led global TTXs and cyber ranges, converting threat intelligence into actionable operations and improving readiness.
Team Leadership & Stakeholder Alignment: Built and mentored high-performing global teams, ensuring consistent execution and alignment with senior leadership objectives.
Vendors/Tools Highlighted: Microsoft (MDE, MDI, Sentinel, Intune, Azure AD), Elastic Defend, Google AI initiatives, plus multiple enterprise cybersecurity platforms operationalized for global impact.

Security TransformationOperational ExcellenceThreat DefenseEndpoint SecurityIdentity SecurityTechnology Alignment+5

The joint staff

2 roles

Branch Chief: Combined Joint All-Domain Command and Control

Promoted

Nov 2023 – May 2024 · 6 mos · On-site

JADC2 Cross-Functional Team Leader
Combined Joint All-Domain Command and Control Division
Dynamic leader driving the advancement of joint warfare capabilities through technology integration and strategic innovation. Led a multidisciplinary team to deliver transformative solutions for all-domain command and control operations.
Shaped Strategic Direction: Advised senior DoD leaders on CJADC2 technical requirements, directly influencing policy and shaping the future of joint warfare.
Led High-Performing Teams: Built and managed a team of contractors, cultivating a culture of innovation and operational excellence to address complex challenges.
Engaged Key Stakeholders: Collaborated with over 200 senior DoD officials to align policies and objectives with CJADC2 initiatives, driving mission success.
Optimized Resources: Conducted technical and budgetary reviews, identifying efficiencies and delivering cost-saving recommendations for multi-million-dollar projects.
Enhanced Communication Strategies: Developed and implemented global communication plans, ensuring seamless collaboration across DoD organizations.
Proactively Managed Risks: Assessed and mitigated risks associated with CJADC2 programs, safeguarding operational outcomes.
Promoted Team Development: Established clear performance goals and provided ongoing feedback to ensure accountability and professional growth.

Strategic DirectionTeam LeadershipStakeholder EngagementResource OptimizationCommunication StrategiesRisk Management+2

Branch Chief: Cyber Security and Governance Division

Jun 2023 – Nov 2023 · 5 mos · On-site

Cybersecurity Modernization and Governance Division
Results-driven leader in cybersecurity modernization, guiding the development and execution of zero-trust strategies to significantly enhance the organization's cybersecurity posture. Led a cross-functional team to secure critical infrastructure and protect sensitive data across multiple environments.
Led Zero-Trust Strategy Development: Spearheaded the creation and implementation of zero-trust security measures, significantly strengthening organizational defenses.
Advised Executive Leadership: Provided strategic guidance on zero-trust and data-centric initiatives, influencing key C-suite decisions and shaping technical requirements for cross-network interoperability.
Ensured Compliance & Best Practices: Developed and enforced cybersecurity policies and procedures, ensuring full compliance with DoD regulations and aligning with industry best practices.
Collaborated with Key Stakeholders: Partnered with the DoD CIO office and Combatant Commands to gather zero-trust requirements and successfully implement initiatives across diverse networks.
Simplified Complex Technical Information: Delivered clear and actionable technical insights to senior military and civilian leaders, ensuring alignment and understanding across all levels.
Fostered Cross-Agency Collaboration: Built and maintained strong relationships with interagency partners, enabling enhanced collaboration and information sharing to support cybersecurity efforts.
Executed Communication Strategies: Developed crisis communication plans and comprehensive strategies to effectively inform and engage a wide range of stakeholders.
Led High-Performing Team: Managed a team of 7, including contractors, military, and senior government personnel, fostering a culture of innovation, excellence, and continuous improvement.

Zero-Trust StrategyCybersecurity PoliciesStakeholder CollaborationCommunication StrategiesTeam ManagementCybersecurity+1

7th signal command

3 roles

Deputy Director, Network and Cyber Operations

Jul 2021 – Jun 2023 · 1 yr 11 mos · On-site

Led a 50-person IT and cybersecurity team delivering reliable network access for senior leaders and soldiers across Europe.
Drove network expansion and resilience in austere environments, ensuring continuous connectivity across multiple transport paths.
Directed enterprise network engineering, service delivery, and cybersecurity operations for both classified and unclassified systems.
Managed $1.5M in technology investments and recommended cloud and emerging solutions that extended operational reach.
Provided communications support to the Commanding General, overseeing 12 distributed systems and delivering decision-focused technical briefings.
Strengthened organizational readiness by developing training and contingency plans using 60 tactical communications packages.
Improved cybersecurity posture by creating a training program for 800 personnel and leading incident response and cryptographic upgrades.

Network OperationsCybersecurity ManagementResource ManagementTraining DevelopmentIncident ResponseCybersecurity+1

Director of Communications and Cyber Operations

Promoted

Aug 2020 – Jul 2021 · 11 mos · On-site

Led communications and cybersecurity operations for a 200-person hospital center, ensuring seamless command and control for two 64-bed hospitals.
Supervised 12 communications professionals, including five project managers, overseeing all IT and network services for the hospital center.
Managed 400 user accounts across four networks, improving reliability and efficiency to support clinical and operational requirements.
Defined communication requirements, executed a full maintenance program, and delivered IT acquisition recommendations to strengthen infrastructure.
Directed communications for critical systems including Blue Force Tracker, JBCP, and MC4, enabling real-time operational decision-making.
Planned and executed the communications architecture for a two-week hospital deployment, ensuring continuous, accurate data flow.
Led the hospital’s cybersecurity program, implementing protections, monitoring activity, and managing response across classified and unclassified networks.
Created a cybersecurity training program for 200 personnel, enhanced incident response readiness, and directed cryptographic system upgrades.
Delivered clear technical assessments and risk mitigation recommendations to senior hospital leadership.

Cybersecurity OperationsCommunications ManagementProject ManagementTraining DevelopmentCybersecurityOperations Management

Program Manager | Network Operations Officer

Jan 2018 – Jun 2019 · 1 yr 5 mos · Fort Gordon, GA · On-site

Project Manager and Customer Engagement Manager in a senior level Army command. responsible for network enterprise services across the continental United States. Served in the G3, Command Integration Branch, with responsibility for network convergence projects; managing customer relationships and resource management throughout the network convergence lifecycle.
Aligned projects with Cybersecurity best practices.
Directed three senior government civilian project managers each responsible for a diverse portfolio of customer engagement projects.

U.s. army command and general staff college

Student | class leader

Jun 2019 – Jul 2020 · 1 yr 1 mo · Fort Leavenworth · On-site

Student and class leader at the Command and General Staff College where I earned a Master's degree in Operational Studies. I also completed a focused elective series on European security.