WHOOP: Will Ahmed

How I Built This · 21 Jul 2025 · 1h 05m

What this episode covers

Will Ahmed, founder of WHOOP, explains how his experience with overtraining as a Harvard squash player led to the creation of a wearable device focused on continuous physiological monitoring rather than simple step counting. He details the early struggles of prototyping with engineering labs, recruiting a small team including John Capalupo and Aurelia Nicolai, and the strategic decision to target elite athletes like LeBron James and Michael Phelps to build credibility. Ahmed describes the company's pivot from a high upfront hardware cost to a subscription model, which ultimately saved the business and allowed WHOOP to compete against giants like Nike, Apple, and Amazon.

Other shows on the same ground, closest first.

  • Predictable Designs Podcast · 1h 03m

    Succeeding in Hardware with Joshua Hsu of Introhm

    Joshua Hsu, co-founder of the hardware startup Introhm, discusses developing a wearable fitness product for personal trainers and physical therapists. He details the company's pivot from smart clothing to a modular wearable system using an off-the-shelf development kit to validate the business model and avoid high custom hardware costs. Hsu explains their strategy of using 'Wizard of Oz' demos to test willingness to pay before building the final product, and outlines a phased distribution plan targeting gyms and insurance providers.

  • Product Startup · 31m

    095: Solve End-User Pain for Consumer Product Success

    Dan Soviero, founder of Signature Athletics, explains how his company achieved $10 million in sales by focusing on solving specific end-user pain points rather than chasing trends. He details the failure of a 'fidget spinner' accessory, which lacked utility, and contrasts it with the success of their durable lacrosse ball, pro-strung sticks, and Quick Connect goals. Soviero also discusses the strategic decision to abandon white-labeling for major brands like Under Armour to maintain direct consumer feedback and drive innovation in safety, visibility, and performance.

  • The Hardware Entrepreneur · 34m

    #012 - Feel the beat - creating the world’s first wearable device for musicians, with Florian Simmendinger of Soundbrenner, Germany - Hong Kong

    Florian Simmendinger, co-founder and CEO of Soundbrenner, explains how the company created the world’s first wearable smart metronome for musicians. He details the journey from prototyping in Berlin to moving to Hong Kong for manufacturing access, and the strategic decision to use Indiegogo to validate product-market fit and raise $250,000 in pre-orders. Simmendinger discusses the subsequent $2 million in seed funding, the importance of building an audience before launch, and the cultural differences between German skepticism and American optimism in business.

  • Being an Engineer · 51m

    S2E13 Relentless Empathy & Going Deep On Understanding The Problem | Ryan Eder

    Ryan Eder, Founder and CEO of Include Health, explains how his senior thesis project, the Access Strength Machine, evolved into a hardware-agnostic digital health platform. He details his process of 'relentless empathy,' which involved renting a wheelchair and visiting gyms to understand the barriers faced by disabled users, leading to a gold-winning design. Eder describes the transition from a proprietary physical machine to an IoT sensor system that digitizes existing fitness equipment, addressing both physical and administrative barriers in healthcare. The episode highlights the challenges of integrating software into clinical workflows and the strategic decision to make the technology compatible with third-party hardware to scale impact.

  • Over the Air · 23m

    Tips for Early-Stage Smart Device Prototyping

    Keith Nothacker, Founder & CEO of BACtrack, discusses the company's journey from a bootstrapped startup to a market leader in breath and transdermal alcohol testing. He emphasizes the critical importance of aggressive early prototyping to uncover design flaws before committing to expensive manufacturing, sharing how BACtrack avoided analysis paralysis by shipping imperfect 'v1' products. Nothacker also details specific early failures, including a rejected Apple Made for iPod integration and a misguided expansion into general health devices, which taught the company to stay focused on core competencies while leveraging smartphone connectivity for added value.

The summary, chapters and topics are generated from the episode’s audio by this directory, not written by How I Built This. The episode itself belongs to its publisher.