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Ben Horowitz and Travis Kalanick on Building Again

August 14, 2026

AI Summary

5 min read

After nearly eight years building in stealth, Travis Kalanick is ready to talk. In this fireside conversation from a16z’s launch event, Ben Horowitz and host sit down with Kalanick to discuss why he stayed quiet, how his thinking has evolved since Uber, and why he believes industrial AI will define the next era of technology. Along the way, they revisit the biggest decisions of Uber, founder culture, and what it takes to build transformational companies twice.

The Lyft Decision and Cultural Fit

One of the most debated decisions from the Uber era was Kalanick’s choice not to acquire Lyft. Asked if he regrets it, Kalanick said no. “The culture didn't mix,” he explained. “I would sit across the table from the guys and I just didn't… it was just clear that we were very culturally different.” At the time, Uber was in an expensive war, spending roughly a billion dollars a year, but Kalanick maintains the cultural mismatch was insurmountable. Ben Horowitz agreed, noting that the counterfactual — if Travis were still running Uber — would have preserved a very distinct, high-intensity culture. Horowitz pointed to the original Uber culture doc, which emphasized “meritocracy slash toe stepping” — a willingness to step on toes in pursuit of the best idea. Kalanick rebranded this at his new company, Adams, as “the best idea wins.” He argued that if you don’t fight for the best idea, y

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What you'll learn

  • 1 (01:26) **Why Travis Didn't Buy Lyft** - Travis Kalanick explains the cultural mismatch that stopped the acquisition.
  • 2 (04:30) **The Power of "Best Idea Wins"** - Travis and Ben discuss the critical cultural principle of fighting for the best idea, even if it means stepping on toes.
  • 3 (05:25) **Industrial AI: The Thesis for Adams** - Travis outlines the massive market opportunity he is pursuing with his new venture.
  • 4 (06:38) **Lessons from Uber: Operating a Few Inches Off the Line** - Travis reflects on how his leadership style has evolved from his time at Uber.
  • 5 (10:30) **Ben Horowitz on Travis's Evolution** - Ben provides an external perspective on how Travis has changed as a founder.
  • 6 (12:21) **The Danger of "Easy Street"** - Travis and Ben warn founders about the false comfort of a business that feels easy.
  • 7 (14:02) **The Deal: Merging Separate Companies** - Travis explains the complex process of raising a massive round by merging several separate entities into Adams.

+ Full timestamped outline available in the app

Guests on this episode

Show Notes

Ben Horowitz, Travis Kalanick, and Erik Torenberg take the stage at Atoms' launch event for a candid fireside conversation about entrepreneurship, company building, and why Kalanick believes the next industrial revolution will be powered by AI.

They revisit pivotal moments from Uber's history, including the decision not to acquire Lyft, lessons from scaling one of the world's fastest-growing companies, and how Kalanick has evolved as a founder. The conversation also explores Atoms' vision for industrial AI, why software is moving into the physical world, what it takes to build enduring company cultures, and why Kalanick believes the biggest opportunities of the next decade lie in transforming industries like food production, mining, and manufacturing.

 

Resources:

Follow Travis Kalanick on X: https://x.com/travisk

Follow Ben Horowitz on X: https://x.com/bhorowitz

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Please note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures.


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