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Frameworks for product differentiation, team building, and first principles thinking | Ayo Omojola

Ayo Omojola is Chief Product Officer at Carbon Health, one of the fastest-growing and most innovative health tech companies in the world. Previously, he was a PM leader at Cash App, where he co-created the Cash Card and scaled it to a nine-figure revenue line for Square. He’s also an angel investor in companies like Mercury, Modern Treasury, Faire, and many others. In this episode, we discuss: • How Cash App broke through the noise and became a consumer app success story • Why small teams are better than big ones • Hard-won lessons on team building and hiring • Why it’s “criminal” not to connect people in your network to things that they need • Why you sometimes shouldn’t listen to experts • The importance of first-principles thinking • Advice for health tech founders — Brought to you by Microsoft Clarity—See how people actually use your product | Eco—Your most rewarding app | LMNT—Zero-sugar hydration Find the full transcript at: https://www.lennyspodcast.com/frameworks-for-product-differentiation-team-building-and-thinking-from-first-principles-ayo-omojola-carbon-health-cash-app/#transcript Where to find Ayo Omojola: • Twitter: https://twitter.com/ay_o • LinkedIn: https://www.linkedin.com/in/omojola/ • Blog: https://kunle.app/ Where to find Lenny: • Newsletter: https://www.lennysnewsletter.com • Twitter: https://twitter.com/lennysan • LinkedIn: https://www.linkedin.com/in/lennyrachitsky/ In this episode, we cover: (00:00) Ayo’s background (04:13) The story of how Ayo used Quora for discoverability  (06:44) The scale of Cash App  (07:37) What Cash App did well (10:12) Lessons from building consumer apps  (13:08) Why it’s so important to be different (14:08) What Ayo learned from how Square/Block operates (16:36) How to succeed at building a startup within a startup (19:06) How Ayo transitioned from fintech to health tech (22:51) Why Ayo loves hiring founders  (28:32) Team-building strategies (32:12) The importance of going deep and challenging assumptions (36:58) Why you should always ask questions (38:45) Lessons in leadership (41:43) Advice for founders in the health-care space (44:48) What Carbon Health is (46:58) Lightning round Referenced: • Ayo on Quora: https://www.quora.com/profile/Ayo-Omojola • Carbon Health: https://carbonhealth.com/ • Cash App: https://cash.app/ • Lob: https://www.lob.com/ • Mailform: https://www.mailform.io/ • Venmo: https://venmo.com/ • PayPal: https://www.paypal.com/us/home • Apple Cash: https://www.apple.com/apple-cash/ • Square: https://squareup.com/us/en/home/ • Block: https://block.xyz/ • Pinwheel: https://www.pinwheelapi.com/ • The Three-Body Problem: https://www.amazon.com/Three-Body-Problem-Cixin-Liu/dp/0765382032 • Children of Time: https://www.amazon.com/Children-of-Time-audiobook/dp/B06ZXTHNSJ • Children of Memory: https://www.amazon.com/Audible-Children-of-Memory/dp/B0B84HRYT1 • Children of Ruin: https://www.amazon.com/Children-of-Ruin-audiobook/dp/B07RB7WQR3 • Stormlight Archive: https://www.amazon.com/Stormlight-Archive-Boxed-Set-Books/dp/1250776635 • Fire in the Deep: https://www.amazon.com/Fire-Deep-Robert-J-Miller/dp/1532611641 • War of the Worlds on Amazon Prime: https://www.amazon.com/gp/video/detail/amzn1.dv.gti.49a287c2-44ed-4ffc-afa0-fab86dd0d31d • Succession on HBO Max: https://play.hbomax.com/player/urn:hbo:episode:GWukCJAu0e4uHwwEAAAB5 • No Context Succession on Twitter: https://twitter.com/nocontextroyco Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email podcast@lennyrachitsky.com. Lenny may be an investor in the companies discussed.

Ayo OmojolaguestLenny Rachitskyhost
May 14, 202352mWatch on YouTube ↗

CHAPTERS

  1. 0:00 – 4:13

    From Cash App differentiation to “instant” as the killer proof point

    Ayo opens with his core differentiation framework: being different isn’t enough, and being better isn’t enough—your advantage must matter to the user. He uses Cash App vs. Venmo as the example, where “instant usability of money” was the crisp, demonstrable edge.

    • Different + better must be tied to what users actually value
    • “Instant” as a tangible, testable differentiator (send $1 you can use now)
    • Avoid superficial differentiation or premium-only “better” claims
    • Competitive clarity comes from simple proofs, not feature lists
  2. 4:13 – 6:54

    Ayo’s background and the Quora-to-SEO growth story behind Mailform

    Lenny asks about Ayo’s surprising Quora footprint, which leads to the origin story of Mailform—a print-and-mail product inspired by a personal paperwork moment. Ayo explains how answering Quora questions became a deliberate discoverability and SEO engine, shaping how he thinks about growth.

    • Burnout and a side project: building Mailform with his brother/cofounder
    • Problem spark: printing/mailing documents should be online-native
    • Quora answers as a targeted acquisition channel (2014-era Quora reach)
    • Learning SEO by building content infrastructure around user intent
  3. 6:54 – 7:51

    Cash App’s scale journey: from <50K actives to tens of millions

    Ayo gives a quick snapshot of Cash App’s scale when he joined versus today. The numbers frame the conversation about what it takes for a consumer app to succeed at massive scale.

    • Joined around sub-50K active money movers
    • Today: 50M+ monthly actives; 70–80M+ annual actives
    • Multiple money movement modes: P2P, card, Bitcoin, stocks
    • Scale context for why execution details mattered so much
  4. 7:51 – 10:33

    Why Cash App succeeded: “ten things,” not one—talent, focus, design, fraud, and org setup

    Ayo argues Cash App worked because it executed extremely well across many dimensions simultaneously. He highlights high talent density, intense focus, strong fraud capability, design excellence, and an org structure that protected the consumer mission inside Square.

    • Success came from compounding multiple best-in-class strengths
    • Firewalled team structure with Jack’s support
    • “Hero customer” was always the consumer—even when it caused friction
    • Design rigor and fraud excellence as foundational enablers
  5. 10:33 – 14:06

    Extracting repeatable lessons: building what’s different-and-better in a domain that matters

    Pressed for portable learnings, Ayo warns that success stories can sound like “lottery ticket numbers,” but still offers a useful framework. He emphasizes clarity on differentiation, user-relevant superiority, and choosing a market where the economics and impact can scale.

    • Skepticism about what’s truly replicable vs. context-driven luck
    • “Instant” became a product-wide theme across key experiences
    • Different vs. better vs. better-in-a-way-that-matters
    • Even great products fail if the domain/economics don’t support scale
  6. 14:06 – 15:16

    Square/Block internal friction and what it taught about operating in big companies

    Lenny probes the idea that Square wanted to kill Cash App; Ayo reframes it as cultural and identity-driven resistance to consumer investment. The segment highlights the importance of internal champions and the realities of building new bets inside established orgs.

    • Merchant-first identity created skepticism toward consumer products
    • Friction came from incentives, priorities, and communication gaps
    • Brian’s role in ensuring the team “had a shot”
    • Organizational politics as a real product risk factor
  7. 15:16 – 19:07

    How to build a ‘startup within a startup’: keep teams small, senior, and milestone-driven

    Ayo explains why “startup within a startup” often fails: you don’t feel existential pressure, so resourcing and incentives drift. Cash App worked partly because it stayed small and senior for a long time, fought for headcount, and earned scale through milestones and real business traction.

    • Small teams outperform big ones when doing something genuinely new
    • Lack of existential fear can lead to bloated resourcing and hidden taxes
    • A tightly knit, senior team reduces communication overhead and increases trust
    • Cash App: ~11–12 people for a year; scaled business before headcount
  8. 19:07 – 22:51

    From fintech to health tech: why Ayo joined Carbon Health and what carried over

    Ayo describes how exploration and a compelling founder conversation led him to Carbon Health. He connects the move through a shared thread: getting great at operating in regulated environments by going deep on the “regulatory wallpaper” behind product decisions.

    • Catalyst: meeting Aaron (ex-Udemy) and his clear problem framing
    • Transferrable muscle: deep regulatory interpretation and cross-functional work
    • Mission/personal drivers: healthcare experiences and family background
    • Desire to identify the “second big thing” faster the next time
  9. 22:51 – 28:24

    Why Ayo loves hiring founders—and the real tradeoffs

    Ayo explains his founder-heavy hiring thesis: many exceptional builders get filtered out by conventional recruiting pipelines. Founders bring high output and strong bullshit detection, but the costs include higher stress and higher attrition as they seek the next ambitious leap.

    • Recruiting systems often screen out nontraditional “beast” candidates upstream
    • Explicitly inviting former founders (even from failed startups) to apply
    • Pros: high output, strong ownership, and team-wide leveling up
    • Cons: they call out waste immediately; typically harder to retain long-term
  10. 28:24 – 32:27

    Team-building as long-horizon recruiting: “You pick the people; they pick when”

    Ayo shares how he approaches hiring as relationship-building over months or years. His operating principle is to add value early—through introductions and help—so that when timing is right, working together becomes natural.

    • Hiring is timing-dependent; great candidates often join much later
    • Proactively meeting people and building trust before roles open
    • Core philosophy: everyone wants something; if you can help, do it
    • High-volume connecting (hundreds of intros) as a leadership habit
  11. 32:27 – 35:59

    Going deep: manufacturing the Cash Card and learning not to stop until the end

    Ayo tells the behind-the-scenes story of turning a design vision into a manufacturable physical card—visiting factories, exploring laser engraving, and iterating through enormous combinations of materials and finishes. The lesson generalizes: real differentiation and correctness require deep, sometimes tedious, end-to-end understanding.

    • Early prototypes from vendors were unacceptable—forced a deeper approach
    • Factory visits to learn constraints, options, and new tech like laser engraving
    • Thousands of combinations to reach the shipped Cash Card experience
    • Experts can be confidently wrong; keep pushing until you reach ground truth
  12. 35:59 – 42:23

    First-principles rigor in practice: questions, instrumentation, and ‘trust but verify’ in regulated systems

    Ayo explains how “going deep” shows up day-to-day at Carbon: asking seemingly small questions, re-instrumenting data, and reconciling inconsistencies. He stresses that someone must own the details and that constraints should be articulated as concrete consequences, not vague appeals to authority.

    • Optimization often requires remeasurement, reinstrumentation, and new queries
    • Example: null payment-reason fields hide exceptions in complex environments
    • “Trust but verify”: demand causal, contractual, or regulatory specifics
    • Push teams to state what breaks, who gets harmed, or what penalties apply
  13. 42:23 – 44:48

    Advice for healthcare founders: network realities and the power of crisp use cases

    Ayo’s healthcare startup advice centers on two realities: progress can be unusually network-dependent, and ambiguity kills momentum. He recommends picking a crisp, specific use case to identify the real decision-maker and reduce reliance on slow, social-capital-heavy intro chains.

    • In healthcare, deals/data access can hinge on who you know
    • Carbon’s D2C model reduces payer/employer gatekeeping
    • Crisp use cases clarify the buyer, the decision maker, and the path to value
    • Avoid “swimming through soup”: reduce dependence on promised intros
  14. 44:48 – 46:59

    What Carbon Health is: vertically integrated clinics + full-stack software + modern consumer experiences

    Ayo describes Carbon Health as a fully integrated healthcare provider that builds clinics, employs providers, and builds the software end-to-end—from booking to billing and claims. He highlights patient-centered experiences like integrated continuous glucose monitoring within their EMR and accessible pricing.

    • Vertical integration: clinics, providers, operations, and software in-house
    • Full-stack workflow: booking → care delivery → payment → claims
    • Scale: ~130 clinics across ~17 states plus virtual care
    • Example innovation: diabetes program with CGM streaming into native EMR
  15. 46:59 – 52:08

    Lightning round and closing: books, shows, interview question, shipping hack, and where to find Ayo

    The episode closes with rapid-fire personal and tactical answers—favorite sci-fi/fantasy recommendations, recent TV, and a reflective hiring prompt about decisions and outcomes. Ayo shares a practical shipping hack (use Uber for local delivery), plus where to find him and what feedback he wants most.

    • Books: Three-Body Problem; Children of Time; Stormlight Archive
    • TV: War of the Worlds; Succession discussion
    • Hiring question: good decisions that failed vs. bad decisions that worked
    • Shipping tip: use Uber for local point-to-point delivery
    • Find him: Twitter @A-Y_O; writing at kunle.app; invites critique/contradictions

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