Modern Architect · 1962 — Present

Gen. H.R. McMaster

A leading strategic thinker bridging military strategy, national security, and technology innovation.

Country

United States

Continent

North America

Industry

National Security, Defense Technology, Strategic Advisory

Role

Strategic Advisor, Former National Security Advisor, Author, Thought Leader

H.R. McMaster is a retired United States Army Lieutenant General, renowned for his strategic intellect and battlefield leadership. He served as the 26th U.S. National Security Advisor from 2017 to 2018 under President Donald Trump. A decorated combat veteran, his career has spanned over three decades, marked by key roles in Afghanistan and Iraq. He is also a prominent author, notably for 'Dereliction of Duty', which critically analyzed the U.S. military's role in the Vietnam War, and 'Battlegrounds', examining contemporary global challenges. McMaster's expertise extends to military innovation, geopolitical risk, and the future of warfare.

Biography

Herbert Raymond McMaster was born on July 24, 1962, in Philadelphia, Pennsylvania. He graduated from the U.S. Military Academy at West Point in 1984 and earned his Ph.D. in American history from the University of North Carolina at Chapel Hill in 1997. His military career saw him command troops in both the Gulf War and the Iraq War, where his tactical acumen was famously demonstrated during the 1991 Battle of 73 Easting and the 2005 battle for Tal Afar. Beyond direct combat, McMaster held significant strategic and advisory roles, including Director of the Army Capabilities Integration Center and Deputy Commanding General for Futures at the U.S. Army Training and Doctrine Command, where he focused on future warfare concepts and technological integration. He also served as the commander of the Combined Joint Interagency Task Force-Shafafiyat (Transparency) in Afghanistan, working to reduce corruption. His tenure as National Security Advisor from February 2017 to April 2018 was characterized by efforts to reform the National Security Council and address complex global challenges, including North Korea's nuclear program and Russia's aggression. Since retiring from the military, McMaster has joined the Hoover Institution as a Senior Fellow, focusing on defense and foreign policy, and serves on corporate boards and provides strategic advisory services, particularly in the defense technology and national security sectors, such as his role as a board member for advanced manufacturing company Velo3D (from 2021) and aerospace company AE Industrial Partners (from 2020). He is a prolific writer and commentator, advocating for a nuanced understanding of history and geopolitics in strategic decision-making.

Accomplishments

01Authored 'Dereliction of Duty' (1997), a seminal work critical of U.S. military leadership during Vietnam, influencing military reform efforts and strategic analysis.
02Led successful combat operations, notably the 2nd Armored Cavalry Regiment's decisive victory at the Battle of 73 Easting in 1991 and the stabilization efforts in Tal Afar, Iraq, in 2005, demonstrating innovative tactical leadership.
03Served as the 26th U.S. National Security Advisor (2017-2018), playing a central role in shaping U.S. foreign policy and national security strategy during a turbulent period.
04Pioneered military modernization efforts as Director of the Army Capabilities Integration Center, driving the integration of emerging technologies and future warfare concepts.
05Awarded the Silver Star, the Bronze Star with 'V' device, and the Purple Heart, among other decorations, for valor and service.
06Published 'Battlegrounds: The Fight to Defend the Free World' (2020), offering a comprehensive framework for understanding contemporary global threats and opportunities.
07Transitioned to influential roles in the private sector and academia, advising on defense technology and geopolitical strategy for companies like Velo3D and AE Industrial Partners, and at the Hoover Institution.

Lessons for Operators

**Embrace Intellectual Candor:** McMaster's critical analysis in 'Dereliction of Duty' showcased the importance of questioning established narratives and challenging poor assumptions, even within a hierarchical structure. For leaders, fostering environments where candid feedback and diverse perspectives are encouraged leads to more robust decision-making and avoids groupthink.

**Strategic Foresight is Paramount:** His work on military modernization and future warfare concepts emphasizes the need to anticipate and adapt to evolving threats and technologies. Businesses must invest in scenario planning, R&D, and continuous learning to stay ahead of market disruptions and competitive shifts, rather than reacting passively.

**Integrate Disparate Expertise:** McMaster's command in Afghanistan, focusing on transparency and interagency cooperation, highlights the power of breaking down silos. Successful enterprises must integrate diverse functional areas (e.g., R&D, marketing, operations) and external partnerships to address complex challenges holistically.

**Adaptability on the Ground:** The success at 73 Easting and Tal Afar underscored his ability to adapt tactics and strategy rapidly based on real-time intelligence and changing circumstances. Leaders should empower teams with autonomy and resources to make agile adjustments, fostering a culture of continuous learning and iteration.

**Understand the 'Human Terrain':** His approach in Iraq recognized that military success depended on understanding local cultures, politics, and grievances. In business, this translates to deep customer empathy, understanding stakeholder motivations, and tailoring strategies to specific market dynamics and cultural contexts.

**Communicate Strategic Rationale:** As National Security Advisor, he often articulated complex geopolitical challenges to diverse audiences. Leaders must effectively communicate the 'why' behind strategic decisions to gain buy-in from employees, investors, and partners, fostering alignment and commitment.

**Balance Vision with Pragmatism:** McMaster consistently balances grand strategic visions with practical, achievable steps. For business leaders, this means setting ambitious long-term goals while implementing realistic, short-term actions and continually assessing progress against both.

The Operator's Playbook

Key Takeaways

Practical lessons distilled for operators, investors, C-levels, and capital allocators.

Lesson 01

The Peril of Groupthink and 'Failing Upwards'

McMaster's analysis of Vietnam demonstrates how a lack of intellectual honesty and accountability at senior levels can lead to catastrophic outcomes. For organizations, actively combating groupthink through diverse viewpoints, robust dissent channels, and performance-based accountability is crucial to avoid strategic blunders and maintain long-term viability.

Lesson 02

Innovation Driven by Necessity and Intellect

His career illustrates how strategic innovation emerges not just from technology, but from applying deep intellectual rigor to complex problems. Investing in critical thinking, historical analysis, and interdisciplinary research—alongside R&D—enables businesses to develop genuinely transformative solutions, exemplified by his work on military modernization.

Lesson 03

Geopolitical Acuity as a Business Imperative

As National Security Advisor and a strategic advisor, McMaster emphasizes how global power dynamics, regional conflicts, and emerging technologies directly impact economic stability and market access. Business leaders must integrate geopolitical risk assessment into their strategic planning and supply chain management to anticipate disruptions and identify opportunities.

Lesson 04

The Interconnectedness of Security and Prosperity

His work in Afghanistan and on national security policy highlights that stable, secure environments are prerequisites for economic development and sustained growth. Investors and fund managers should recognize that evaluating investment opportunities requires a comprehensive understanding of a region's governance, rule of law, and security landscape, beyond purely financial metrics.

Lesson 05

Leadership Through Adversity and Complexity

McMaster's combat leadership and high-stakes advisory roles demonstrate the importance of calm decision-making under extreme pressure and the ability to navigate ambiguity. C-suite leaders and enterprise managers can learn to cultivate resilience, clarity of thought, and decisive action when facing market volatility, crises, or unforeseen challenges.

Lesson 06

Technology's Dual-Use Nature and Ethical Considerations

His engagement with defense technology firms underscores that technological advancements, while offering competitive advantages, also carry significant ethical and societal implications. Leaders in tech-driven industries must consider the broader impact of their innovations, ensuring responsible development and deployment to maintain public trust and long-term viability.

Lesson 07

The Power of Historical Context in Decision Making

Both 'Dereliction of Duty' and 'Battlegrounds' are steeped in historical analysis. This teaches that understanding past successes and failures provides invaluable context for current strategic choices. Leaders should encourage historical research and learning within their organizations to inform robust decision-making and avoid repeating past mistakes.

Mental Models

Frameworks & Principles

Named frameworks and strategic principles they popularized or embodied.

The 'Battlegrounds' Framework for Global Challenges

McMaster's framework from 'Battlegrounds' analyzes global challenges through the lens of revisionist powers (e.g., Russia, China), rogue regimes (e.g., North Korea, Iran), and transnational terrorist organizations. It emphasizes understanding their motivations, strategies, and the interconnectedness of these threats. He also details 'Competitive Blurring,' where adversaries integrate military, economic, and informational tools to undermine democracies.

When to useApplicable for C-level executives, investors, and strategists assessing geopolitical risks, market entry strategies, supply chain vulnerabilities, or long-term strategic planning in an interconnected global economy. Useful for understanding motivations of state and non-state actors impacting business environments.

Adaptive Military Innovation (AMI) / Future Warfare Concepts

Stemming from his roles at TRADOC and as a proponent of military modernization, this framework emphasizes continuous learning, rapid prototyping, and integrating emerging technologies (AI, robotics, cyber) with evolving operational concepts. It's about 'out-thinking' and 'out-innovating' adversaries by fostering agility and cross-domain synergy.

When to useIdeal for technology investors, R&D leaders, and enterprise strategists in fast-evolving industries. Useful for structuring innovation pipelines, fostering agility in product development, and understanding the strategic implications of disruptive technologies on market dynamics and competitive advantage.

Strategic Empathy and Understanding 'Human Terrain'

Derived from his experiences in counterinsurgency, this approach stresses the critical importance of deeply understanding the local population, cultural nuances, political structures, and socio-economic drivers in any operational environment. It moves beyond purely technical or military solutions to address root causes and win hearts and minds.

When to useHighly relevant for businesses entering new international markets, developing products for diverse customer segments, or managing complex stakeholder relations. Useful for market research, international business development, CSR initiatives, and building sustainable relationships with local communities.

Intellectual Candor and Accountability in Decision-Making

Informed by 'Dereliction of Duty,' this framework advocates for leadership cultures that demand rigorous, evidence-based analysis, encourage honest debate, and hold decision-makers accountable for outcomes. It opposes 'groupthink' and 'yes-men' by fostering an environment where challenging assumptions is valued.

When to useApplicable for any leadership team or board of directors seeking to improve strategic planning, risk management, and organizational effectiveness. Particularly useful during times of crisis, major investment decisions, or when evaluating significant strategic shifts, to ensure all perspectives are considered and biases are mitigated.

Last 6 Months

Recent Appearances

Latest interviews, keynotes, and press from the past half year.