In the Arena is a podcast about building products that matter for America’s future. Hosted by Vannevar CEO Brett Granberg and Hayley Menser, the series goes inside the fight to modernize U.S. defense and outcompete authoritarian adversaries. From product bets and mission wins to the people and principles behind them, In the Arena is a blueprint for builders on the frontlines of strategic competition.
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Vannevar Labs Podcasts

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How to Make Strategic Product Bets | In The Arena
22:38
22:38
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22:38How do companies know which products to build? What are traits of a 10X product leader? Should national security startups pursue a portfolio of bets or take a couple concentrated big swings? What does it look like to balance buyer vs. customer demand in defense? In this episode, CEO Brett Granberg shares how Vannevar has navigated these questions w…
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Building Winning BD-Engineering Partnerships in Defense | In The Arena
22:57
22:57
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22:57In this episode, learn how defense companies can close deals faster and build better products by getting business development and engineering on the same page. Vannevar CEO Brett Granberg explains why engineers should be in the room early, how forward deployed engineers shape both products and customer trust, and why time on-site with users drives …
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Hardware vs. Software and Building Complete Systems | In The Arena
25:19
25:19
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25:19In this episode of In the Arena, Vannevar CEO Brett Granberg breaks down the shift from building software-only tools to integrated hardware-software systems. He shares why defense startups need to deliver complete systems (as opposed to just components), how hardware forces a different pace of iteration, and why real-world deployments – failures an…
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The Case for Working in Defense Tech | In the Arena
22:17
22:17
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22:17In the first episode of In the Arena, Vannevar CEO Brett Granberg discusses what it really means to build technology for the national security mission. They discuss Brett’s personal path from consulting into defense, what led him to co-found Vannevar, and why working in public service can be both meaningful and urgent. The conversation explores: Wh…
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