Portrait of Ben Horowitz
Modern Architect · 1966 — Present

Ben Horowitz

Co-founder of Andreessen Horowitz, a prolific author on management, and a former CEO who navigated a company through Dot-com bust.

Country
United States
Continent
North America
Industry
Venture Capital, Enterprise Software
Role
Venture Capitalist, Author, Former CEO

Ben Horowitz is a co-founder and general partner at Andreessen Horowitz (a16z), a prominent venture capital firm. Prior to his venture career, he served as President and CEO of Opsware (formerly Loudcloud), which he sold to Hewlett-Packard for approximately $1.6 billion in 2007. He is also a best-selling author, known for his pragmatic insights on leadership and company building.

Biography

Ben Horowitz began his career at Netscape Communications in the 1990s, where he held various product management and technical leadership roles. Following Netscape's acquisition by AOL, he co-founded Loudcloud in 1999 with Marc Andreessen, Tim Howes, and In Sik Rhee. Loudcloud, an Infrastructure-as-a-Service (IaaS) provider, faced significant challenges during the Dot-com bubble burst. Horowitz transitioned the company through a challenging pivot to become Opsware, an enterprise software company specializing in data center automation. As CEO, he successfully navigated Opsware through this period, eventually selling it to Hewlett-Packard in 2007 for $1.6 billion. Post-acquisition, Horowitz served as Vice President and General Manager of Business Technology Optimization for HP Software until 2008. In 2009, he co-founded Andreessen Horowitz with Marc Andreessen. The firm quickly became a leading venture capital entity, known for its investments in companies like Facebook, Twitter, GitHub, Slack, and Coinbase. Horowitz is also a highly respected author, with his first book, 'The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers' (2014), becoming a bestseller offering stark, practical advice on entrepreneurship and management. His second book, 'What You Do Is Who You Are: How to Create Your Culture' (2019), focuses on leadership and corporate culture.

Accomplishments

  • 01Co-founded and scaled Andreessen Horowitz (a16z), a top-tier venture capital firm managing over $35 billion across multiple funds, with notable early investments including Facebook, Twitter, GitHub, and Lyft.
  • 02Successfully pivoted Loudcloud to Opsware, transforming an IaaS provider during the Dot-com bust into a profitable enterprise software company, ultimately selling it to HP for $1.6 billion in 2007.
  • 03Authored two best-selling books, 'The Hard Thing About Hard Things' (2014) and 'What You Do Is Who You Are' (2019), which provide foundational texts for entrepreneurs and managers on leadership, culture, and navigating corporate challenges.
  • 04Held key leadership positions at Netscape Communications (e.g., VP and General Manager of the Directory and Security Product Line), contributing to early internet infrastructure development and product strategy.
  • 05Oversaw the integration of Opsware into HP Software as Vice President and General Manager, demonstrating executive capability in post-acquisition environments.

Lessons for Operators

Prioritize telling employees the truth, even when it's bad. Horowitz advocated for transparency during Loudcloud's pivot to Opsware, which, while painful, preserved trust and focus, enabling successful execution (refer to 'The Hard Thing About Hard Things').
Understand that there are 'no easy answers' in business; focus on pragmatic solutions to hard problems. His experience with Opsware's near-death experience exemplifies this, requiring unconventional and difficult decisions.
Acknowledge and manage founder-CEO dynamics. Horowitz emphasizes that technical founders often need coaching and operational support to transition into effective CEOs, a core tenet of a16z's value-add to portfolio companies.
Recognize that culture is not a 'feel-good' exercise but a critical operational tool. His work on culture stresses that 'what you do is who you are,' meaning actions and decisions define culture more than mission statements.
When making difficult decisions, like layoffs, lead with empathy and clarity. Horowitz recounts the detailed, personal process he undertook during Opsware layoffs, minimizing rumors and maximizing dignity.
Focus on building a 'culture of innovation' by empowering product teams and giving them autonomy, rather than stifling them with bureaucracy. This is a recurring theme in a16z's investment philosophy for rapid growth companies.
The Operator's Playbook

Key Takeaways

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

Lesson 01

Leadership in Crisis

Horowitz's tenure at Opsware demonstrates that effective crisis leadership involves radical transparency with employees, decisive strategic pivots, and unwavering commitment to the company's survival, even when it entails unpopular decisions.

Lesson 02

The Importance of Culture

Culture is a deliberate creation, not an accidental outcome. It must be actively designed, communicated through behavior, and reinforced by systems and incentives. A strong culture can be a strategic differentiator, especially during growth or crisis.

Lesson 03

Founder Support

Venture capital extends beyond capital; it includes operational and strategic support for founders. Horowitz's emphasis on founders' needs and the role of VCs as active partners, particularly in coaching and network access, is a hallmark of a16z.

Lesson 04

Operational Acumen

Successful entrepreneurship requires deep operational understanding. Horowitz's experience from Netscape to Opsware highlights the necessity of mastering product, sales, marketing, and organizational management to build and scale a business.

Lesson 05

Navigating Market Shifts

Markets are dynamic and unforgiving. Companies must be prepared to execute significant strategic pivots (like Loudcloud to Opsware) based on market feedback and competitive landscapes, even if it means abandoning initial visions.

Mental Models

Frameworks & Principles

Named frameworks and strategic principles they popularized or embodied.

01

The Good Product Manager / Bad Product Manager

A framework (initially developed at Netscape) that defines the characteristics and behaviors of effective vs. ineffective product managers. Good PMs understand the market, define the product, and drive its success, while bad PMs merely project manage or act as order takers.

When to useFor evaluating and coaching product managers, establishing clear expectations for product leadership, and fostering product-led growth within an organization.

02

Peacetime CEO / Wartime CEO

Distinguishes between leadership styles required for periods of stability (peacetime) and periods of existential threat or rapid change (wartime). A wartime CEO is often more autocratic, decisive, and comfort-zone-averse, prioritizing survival above all else.

When to useTo assess leadership effectiveness during different business cycles, understand the shift in required management tactics during crises or hyper-growth, and prepare leaders for dynamic market conditions.

03

Culture as a Deliberate Act

Horowitz argues that culture is not accidental; it is built through actions, decisions, and the stories leaders tell. It's about 'what you do is who you are,' not just values on a wall. Leaders must actively design and reinforce desired cultural attributes.

When to useWhen establishing, re-evaluating, or reinforcing organizational culture to ensure it drives desired behaviors, values, and strategic outcomes rather than being a mere declaration.

Last 6 Months

Recent Appearances

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

Ben Horowitz On What Makes a Great Founder - YouTube
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Ben Horowitz On What Makes a Great Founder - YouTube
Ben Horowitz on AI Anxiety, Big Tech Transitions & The ... - YouTube
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Ben Horowitz on AI Anxiety, Big Tech Transitions & The ... - YouTube
$46B of hard truths: Why founders fail and why you need ... - YouTube
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$46B of hard truths: Why founders fail and why you need ... - YouTube
Ben Horowitz on AI, Culture, and the Future of Innovation - YouTube
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Ben Horowitz on AI, Culture, and the Future of Innovation - YouTube
cnbc.com
Watch CNBC's full interview with Horacio Rozanski and Ben Horowitz
Why The Laws of Startup Physics Have Changed | Ben Horowitz ...
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Why The Laws of Startup Physics Have Changed | Ben Horowitz ...
Ben Horowitz on How a16z Built a Venture Machine | Ep. 38
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Ben Horowitz on How a16z Built a Venture Machine | Ep. 38
Ben Horowitz on AI Anxiety, Big Tech Transitions & The ... - YouTube
youtube.com
Ben Horowitz on AI Anxiety, Big Tech Transitions & The ... - YouTube
Ben Horowitz - "Your ONLY job is Right Product, Right Time"
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Ben Horowitz - "Your ONLY job is Right Product, Right Time"
Ben Horowitz and Ali Ghodsi: How to Run a $100 Billion Business
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Ben Horowitz and Ali Ghodsi: How to Run a $100 Billion Business
cnbc.com
Booz Allen CEO Horacio Rozanski on U.S.-Iran war - CNBC
Marc Andreessen and Ben Horowitz on the State of AI - YouTube
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Marc Andreessen and Ben Horowitz on the State of AI - YouTube
Ben Horowitz and David Solomon: The Sweetest Macro Spot in 40 ...
youtube.com
Ben Horowitz and David Solomon: The Sweetest Macro Spot in 40 ...
60 Minute Business Masterclass (worth more than your Stanford MBA)
youtube.com
60 Minute Business Masterclass (worth more than your Stanford MBA)
Sequoia's Roelof Botha: Why Venture Capital is Broken ... - YouTube
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Sequoia's Roelof Botha: Why Venture Capital is Broken ... - YouTube
How a16z Growth Invests - YouTube
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How a16z Growth Invests - YouTube
The Psychology of Power | Michael Ovitz - YouTube
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The Psychology of Power | Michael Ovitz - YouTube
Reed Hastings: How Netflix Built a Culture That Fires Good People
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Reed Hastings: How Netflix Built a Culture That Fires Good People
Live with Tim O'Reilly: A Conversation with Entrepreneur Reid ...
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Live with Tim O'Reilly: A Conversation with Entrepreneur Reid ...
Marc Andreessen on The Future of VC: Will a16z Go Public & Why ...
youtube.com
Marc Andreessen on The Future of VC: Will a16z Go Public & Why ...
Marc Andreessen: The World Is More Malleable Than You Think
youtube.com
Marc Andreessen: The World Is More Malleable Than You Think
Ben & Marc: Why Everything Is About to Get 10x Bigger - YouTube
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Ben & Marc: Why Everything Is About to Get 10x Bigger - YouTube
Ben Horowitz on Investing in AI: AI Bubbles, Economic Impact, and ...
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Ben Horowitz on Investing in AI: AI Bubbles, Economic Impact, and ...
Marc Andreessen & Ben Horowitz on a16z's New Media Strategy
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Marc Andreessen & Ben Horowitz on a16z's New Media Strategy
The Obsessive Craftsmanship Behind Acquired Podcast - YouTube
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The Obsessive Craftsmanship Behind Acquired Podcast - YouTube
Legendary Investor Outlines His AI Thesis in 14 Minutes — Bill Gurley
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Legendary Investor Outlines His AI Thesis in 14 Minutes — Bill Gurley
Ben Horowitz of a16z on Netscape and Network States - YouTube
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Ben Horowitz of a16z on Netscape and Network States - YouTube
Marc Andreessen and Charlie Songhurst on the past ... - YouTube
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Marc Andreessen and Charlie Songhurst on the past ... - YouTube
My Conversation With Patrick O'Shaughnessy, Founder of Colossus ...
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My Conversation With Patrick O'Shaughnessy, Founder of Colossus ...
How This VC Went From Broke to Becoming the Hot Hand in Silicon ...
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How This VC Went From Broke to Becoming the Hot Hand in Silicon ...
Ryan Petersen: Building Flexport into a $3B Logistics Giant - YouTube
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Ryan Petersen: Building Flexport into a $3B Logistics Giant - YouTube
Harvey CEO: How a 31-year-old Runs an $11B Company - YouTube
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Harvey CEO: How a 31-year-old Runs an $11B Company - YouTube
Why your CEO mentality is wrong (with investor Byron Deeter)
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Why your CEO mentality is wrong (with investor Byron Deeter)
Alex Rampell: The Best Founders Materialise Capital ... - YouTube
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Alex Rampell: The Best Founders Materialise Capital ... - YouTube
What David Senra Learned Studying 400+ Founders - YouTube
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What David Senra Learned Studying 400+ Founders - YouTube
Marc Andreessen & Ben Horowitz on a16z's New Media Strategy
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Marc Andreessen & Ben Horowitz on a16z's New Media Strategy
Ben Horowitz on American Dynamism and the Future of AI - YouTube
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Ben Horowitz on American Dynamism and the Future of AI - YouTube
Ben Horowitz from a16z on Venture Capital Systems, Network Effects
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Ben Horowitz from a16z on Venture Capital Systems, Network Effects
Inside Marc Andreessen & Ben Horowitz's Multi-Family Office (Part II)
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Inside Marc Andreessen & Ben Horowitz's Multi-Family Office (Part II)
CIO of Marc & Ben's Multi-Family Office: SpaceX IPO ... - YouTube
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CIO of Marc & Ben's Multi-Family Office: SpaceX IPO ... - YouTube
The Media Game Has Changed - YouTube
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The Media Game Has Changed - YouTube
Learn what Ben Horowitz did when he realized he was in wartime ...
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Learn what Ben Horowitz did when he realized he was in wartime ...
Corporate Culture Is About Actions, Not Words (Ben Horowitz)
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Corporate Culture Is About Actions, Not Words (Ben Horowitz)
Why Silicon Valley Turned Against Defense (And How We're Fixing It)
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Why Silicon Valley Turned Against Defense (And How We're Fixing It)
Ben Horowitz: How to Lead Through Chaos, Doubt, and Pressure...
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Ben Horowitz: How to Lead Through Chaos, Doubt, and Pressure...
Inside Orlando Bravo's Private Equity Playbook: How to Build a Top ...
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Inside Orlando Bravo's Private Equity Playbook: How to Build a Top ...
Serial founder Eric Ryan: How to disrupt a sleepy category - YouTube
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Serial founder Eric Ryan: How to disrupt a sleepy category - YouTube
Ben Horowitz: xAI Executive Exodus, Apple's AI Crisis, The Pace of AI
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Ben Horowitz: xAI Executive Exodus, Apple's AI Crisis, The Pace of AI
Citations

Sources & Further Reading

Profiles, interviews, podcasts, and articles used to compile and verify this entry. Each link opens at the original publisher.

Reference
01
Interviews
15
Podcasts
76
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