Build Mode

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Build Mode
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  • Build Mode

    Building a lean team before raising big with David Park, Narada

    05/03/2026 | 38 min
    This week on Build Mode, we’re joined by David Park, co-founder and CEO of Narada, an enterprise AI agent platform spun out of UC Berkeley AI Lab research. Narada uses large action models to automate complex, multi-step workflows across enterprise systems. After previously co-founding and exiting Coverity, Park is now building his second company with a different playbook: Stay lean, talk to customers, and don’t raise before you’re ready. 

    In this episode, he shares why Narada spent a year making nearly 1,000 customer calls before raising institutional capital, how the company reached 99.99% reliability in production environments, and why he believes too much funding too early can derail even the strongest teams. Park also reflects on his experience as a Startup Battlefield Top 20 company and the lessons he’s carried from his first exit into building Narada. 

    He breaks down: 


    Why customers won’t tell you your “baby is ugly” — but their wallets will 


    How Narada achieves enterprise-grade AI reliability 


    Why raising money before product-market fit can be dangerous 


     The discipline of building a lean, “mean building machine” 


    When to scale your go-to-market team (and when not to) 


    Why founders must stick to their values, even under pressure 


    Lessons from Startup Battlefield and building in public 

    Apply to Startup Battlefield: We are looking for early-stage companies that have an MVP. So nominate a founder (or yourself): techcrunch.com/apply. Be sure to say you heard about Startup Battlefield from the Build Mode podcast.  

    Founders Summit: If you want to take these conversations beyond the podcast, then come join us in person at a TechCrunch event on June 9 in Boston, we're hosting our founders Summit, which is essentially build mode in real life. It's a full day focused entirely on founders, builders and the conversations that actually move startups forward. It's also a great way to sharpen your story. Get your tickets. 

    TechCrunch Disrupt: If you're thinking about applying to Startup Battlefield, then October 13 to 15 in San Francisco, we're back for TechCrunch Disrupt, where the Startup Battlefield 200 takes the stage. So if you want to cheer them on, or just network with 1000s of founders, VCs, and tech enthusiasts, then grab your tickets.  

    Use code buildmode15 for 15% off any ticket type

    00:00 – Why customers won’t tell you the truth (but their wallets will) 02:43 – What Narada does: enterprise AI agents powered by large action models 04:28 – Enterprise reliability: reaching 99.99% accuracy 07:32 – Trust, security, and on-prem deployment 12:26 – Bootstrapping, 1,000 customer calls & finding real pain 15:05 – Raising after traction & meeting their lead VC at Disrupt 18:47 – Scaling responsibly after product-market fit 22:46 – Go-to-market strategy & leveraging channels 23:48 – From Coverity exit to Narada: a founder’s second act 27:05 – Founder advice: passion, grit & integrity 30:20 – Fake it till you make it? Not quite. 30:44 – Startup Battlefield experience 36:05 – Final reflections on disruption & building for impact 

    New episodes of Build Mode drop every Thursday. Hosted by Isabelle Johannessen. Produced and edited by Maggie Nye. Audience development led by Morgan Little. Special thanks to the Foundry and Cheddar video teams.
  • Build Mode

    Behavioral AI and the compatibility advantage with Sarah Lucena, Mappa

    26/02/2026 | 44 min
    This season on Build Mode, we’re breaking down what it really takes to build a world-class team and that starts with hiring the right people the first time. 

    This week, we’re joined by Sarah Lucena, founder and CEO of Mappa, a behavioral intelligence platform that uses voice AI to decode human behavior in under 60 seconds. After rebuilding teams over and over again early in her career, Sarah set out to answer the question: why do “great on paper” candidates fail to flourish after their hired? 

    In this episode, she explains how Mapa analyzes thousands of voice biomarkers, from speech patterns to linguistic signals, to build behavioral profiles and match candidates based on compatibility, not just the on-paper credentials. They help their clients make the right hired the first time, saving crucial time and money. 

    She breaks down: 

    • Why most hiring decisions are still a gamble • Compatibility vs. similarity (and why it matters) • How voice biomarkers reveal behavioral traits • How to reduce bias without lowering the bar • How founders should think about building aligned teams 

    Whether you’re hiring your first employee or scaling a fast-growing startup, this episode will change the way you think about talent, team dynamics, and what it really means to be a “fit.”  

    Chapters: 

    00:00 – Why great hires still fail 00:47 – Meet Sarah Lucena (Founder & CEO, Mappa) 01:39 – What Mappa does: voice → behavioral intelligence 04:22 – Why voice (not video) is the best signal 06:03 – The proprietary dataset & real-life outcomes 12:30 – Mapping companies, not just candidates 14:27 – Compatibility vs. similarity 16:10 – Bias, diversity & better hiring signals 23:53 – Expanding beyond hiring (VCs, finance, insurance) 30:16 – Using Mappa to evaluate investors 33:02 – Building Mappa’s own team 35:49 – Founder advice: patience, compatibility & lawyers 39:16 – Startup Battlefield experience 41:29 – Outro 

    New episodes of Build Mode drop every Thursday. Hosted by Isabelle Johannessen. Produced and edited by Maggie Nye. Audience development led by Morgan Little. Special thanks to the Foundry and Cheddar video teams.
  • Build Mode

    Compensation, culture, and cap tables with Yuri Sagalov, General Catalyst

    19/02/2026 | 44 min
    Build Mode is back. This season we’re breaking down what it really takes to build a world-class founding team starting with your cap table, equity structures, and startup compensation strategy. 

    We kick off with Yuri Sagalov, managing director at General Catalyst and former founder, YC partner, and seed investor at Wayfinder Ventures. Yuri has worked with hundreds of pre-seed and seed-stage startups, and he shares practical advice on how early-stage founders should think about startup equity, cap table design, investor selection, and compensation structures from day one. 

    He breaks down: 


    The 3 types of investors (and which one to avoid) 


    Why your cap table is part of your team 


    The 20–25% seed dilution rule 


    How to split equity with a co-founder 


    How to talk to early employees about risk and compensation 

    No matter where you are in your startup journey, this episode will help you get the incentive structure right from the beginning.  

    Chapters: 

    00:00 - Why your first hires deserve more equity 00:31 - Meet Yuri Sagalov (YC → General Catalyst) 02:12 - Your cap table is part of your team 02:50 - The 3 types of investors (avoid this one) 05:02 - How to split equity with a co-founder 07:55 - How much equity to give early employees 09:37 - How to talk compensation and risk 12:31 - Red flags in formation docs and vesting 18:27 - Advisors for equity? Usually a mistake 20:05 - The 20–25% seed dilution rule 26:03 - The shift to 10-year stock options 34:11 - Don’t scale before product-market fit 39:23 - Final advice: Just start and choose your co-founder carefully 

    New episodes of Build Mode drop every Thursday. Hosted by Isabelle Johannessen. Produced and edited by Maggie Nye. Audience development led by Morgan Little. Special thanks to the Foundry and Cheddar video teams.
  • Build Mode

    Build Mode is back: Building world-class founding teams

    12/02/2026 | 1 min
    It takes a village to build something great. In Season 2 of Build Mode, we go deep on how to assemble a founding team that signals ambition, execution, and long-term success. Founders and investors share candid lessons on hiring, structuring, and scaling teams that actually win. New episodes coming February 19.
  • Build Mode

    It’s time to throw away the old go-to-market playbook with Paul Irving from GTMfund

    08/01/2026 | 37 min
    n the season finale of Build Mode, Isabelle Johannessen sits down with Paul Irving, Partner and COO of GTMfund, to discuss go-to-market strategies for the AI era. Paul shares specific, actionable advice on how early-stage startups can win even when facing well-funded competitors who iterate at lightning speed. He also explains why distribution has become the final remaining moat when technical advantages disappear in months instead of years, and why every company needs a unique go-to-market motion tailored to their specific ICP. 

    If you just can’t get enough AI-native GTM strategies, check out this episode of the GTMnow podcast: Build your AI Outbound Machine with ChatGPT 

    Chapters:  

    00:00 Intro 

    00:44 Meet Paul Irving - GTM Fund 

    04:02 Finding Competitive Edge in Specific Channels 

    07:34 Matching Operators to Startups with AI 

    12:08 The End of the B2B SaaS Playbook Era 

    14:09 Creative GTM Strategies 

    16:18 The Power of Warm Introduction Mapping 

    23:04 Success Stories: Ryder and Vanta 

    25:25 Red Flags in Go-to-Market Strategy 

    27:29 Advice for Resource-Constrained Founders 

    31:22 When to Start Hiring a GTM Team 

    34:57 Outro 

    Isabelle Johannessen is our host. Build Mode is produced and edited by Maggie Nye. Audience Development is led by Morgan Little. And a special thanks to the Foundry and Cheddar video teams.

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À propos de Build Mode

On Build Mode, TechCrunch's Startup Battlefield Editor Isabelle Johannessen cuts through the startup mythology to uncover how founders survive the brutal early days, navigate impossible funding landscapes, and somehow keep their companies — and sanity—  intact. Each season, Isabelle is joined by founders, investors, and operators to dig into specific aspects of the startup journey, from creative go to market strategies to founder mental health. The interviews are full of candid startup wisdom—think cap table drama, co-founder breakups, and pivot panic. So, if you’re starting a company or or even just thinking about it, this is your survival guide.
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