1st-time solo founder does 90 interviews in 90 days—closes a $25M Series A 2 years in. | Damien Lewke, Founder of Nebulock

1st-time solo founder does 90 interviews in 90 days—closes a $25M Series A 2 years in. | Damien Lewke, Founder of Nebulock

Damien left his job to start a startup solo. Two years later, Nebulock closed a $25M Series A. In between: 90 customer interviews in 90 days, a year of design partners, and a Fortune 500 deal that closed in 6 weeks. In this episode, Damien breaks down how his 90-in-90 customer discovery sprint killed his original architecture before he wasted money building it, how his design partner program converted 100% into paying customers, and how a POC playbook needing just 2 hours of customer time closed a Fortune 500 in 6 weeks. Why You Should Listen * How 90 customer interviews in 90 days saved him from building the wrong product. * Why every single design partner converted into a paying customer. * How a 2-hour POC playbook closed a Fortune 500 in just 6 weeks. * Why procurement—not your champion—decides how fast your deal closes. Keywords startup podcast, startup podcast for founders, product market fit, finding pmf, cybersecurity startup, solo founder, customer discovery, mom test, design partners, enterprise sales, POC process, AI security, Nebulock, Damien Lewke Chapters * 00:00:00 Intro * 00:01:20 The Moment of True Product Market Fit * 00:11:33 Going Cold Turkey as a Solo Founder * 00:23:07 90 Interviews in 90 Days * 00:36:44 Raising $8.5M Off a Manifesto, Not a Deck * 00:39:36 Every Design Partner Converted to Paid * 00:44:00 Building a Repeatable POC Playbook * 00:48:20 The Procurement Black Hole Send me a message to let me know what you think! [https://www.buzzsprout.com/1889238/fan_mail/new]

He tries 1,000 ideas a decade & kills nearly all—that's how X built Waymo & Google Brain. | Astro Teller, CEO of Moonshots at X (Alphabet)

Astro has run X, Alphabet's Moonshot Factory, for 16 years. His teams created Waymo, Wing, and Google Brain—by testing over 1,000 ideas a decade and killing nearly all of them. His whole system rests on one uncomfortable rule: celebrate the people who kill their own projects. In this episode, Astro breaks down why you should do the hard thing first, how pre-written kill criteria force intellectual honesty, and why X maximizes learning per dollar instead of progress—and never tracks whose idea it was. Why You Should Listen * Why working on the riskiest part first is the key to testing new ideas * How writing kill criteria a year in advance stops you from running a zombie startup. * Why progress doesn't matter when launching a new startup. * How to come up with big ideas like Waymo and Wing. Keywords startup podcast, startup podcast for founders, product market fit, finding pmf, Astro Teller, Google X, moonshot factory, Alphabet, Waymo, innovation process, kill criteria, idea validation, deep tech Chapters * 00:00:00 Intro * 00:04:15 Inside Alphabet's Moonshot Factory * 00:07:22 The Card Counters of Innovation * 00:14:00 Learning per Dollar, Not Progress * 00:23:04 Killing Ideas with Testable Hypotheses * 00:26:34 Train the Monkey First * 00:35:16 Kill Criteria: A Message to Your Future Self * 00:41:59 The Moment of True Product Market Fit Send me a message to let me know what you think! [https://www.buzzsprout.com/1889238/fan_mail/new]

He raised $75M—but kept his team to 21 people & pays everyone the same salary. | Cos Nicolaescu, Co-Founder of Accrual

Cos was the CTO of Brex, which he helped scale from 40 people to over 1,000. Before that, he led engineering at Stripe. When he finally left, he had no startup idea—just a co-founder he trusted and one rule: whatever they built had to have massive impact. Six months of brainstorming later, they landed on accounting. In this episode, Cos breaks down why he capped the company at 21 people after raising $75M, why everyone—engineers and salespeople alike—earns the exact same salary, how he hit a 100% pilot-to-production conversion rate with top accounting firms, and the counterintuitive process he used to pick accounting over every other industry. Why You Should Listen * Why the only reason to join an early-stage company should be the equity, never the cash. * How Accrual hit a 100% pilot-to-production conversion rate selling to the largest accounting firms. * Why he raised $75M but refuses to grow past 21 people. * How to tell real product market fit from the "just one more feature" trap. Keywords startup podcast, startup podcast for founders, product market fit, finding pmf, AI accounting, vertical AI, enterprise sales, pilot to production, Brex, Stripe, Cosmin Nicolaescu, Accrual, lean team Chapters * 00:00:00 Intro * 00:01:56 The Moment of True Product Market Fit * 00:09:46 Collapsing 6+ Tools Into One Platform * 00:18:07 Leaving Brex to Start From Scratch * 00:31:41 Landing H&R Block and Armanino * 00:34:57 A 100% Pilot-to-Production Playbook * 00:43:26 A 21-Person Company by Design * 00:51:38 One Salary for Everyone Send me a message to let me know what you think! [https://www.buzzsprout.com/1889238/fan_mail/new]

He quit Stripe and hit $10M ARR in 4 years—with $0 marketing spend. | Anurag Goel, Founder of Render

Anurag was employee #8 at Stripe, set for life and free to do anything next. Instead he spent a year and a half hunting for a problem worth decades of his life. He chose to build a product to make it simple for developers to ship apps, going head-to-head with AWS. In this episode, Anurag breaks down how he hit $10M ARR in 4 years with zero marketing spend, why refusing to launch a free tier was his most expensive mistake, and how putting engineers on customer support rotations quietly shaped the entire product roadmap. Why You Should Listen * Why you don't have real product market fit until your users sell the product for you. * How a sub-2-minute setup turned developers into a word-of-mouth machine. * Why skipping a free tier for years was his most expensive mistake. * How engineers doing support on rotation built the roadmap—and 6M+ developers. Keywords startup podcast, startup podcast for founders, product market fit, finding pmf, developer tools, cloud infrastructure, PaaS, Render, word of mouth growth, product-led growth, AI infrastructure, Stripe Chapters * 00:00:00 Intro * 00:01:44 The Moment of True Product Market Fit * 00:04:14 The #1 Driver of Word of Mouth * 00:13:25 Why He Left Stripe to Build Render * 00:23:48 Why AWS Would Never Build This * 00:30:33 $10M ARR With No Marketing Spend * 00:36:43 Engineers as the Support Team * 00:42:19 Riding the AI Boom Send me a message to let me know what you think! [https://www.buzzsprout.com/1889238/fan_mail/new]

He shut down his last startup and gave the money back—then hit $1M ARR in 6 months. | George, Founder of Monk

George had to wind down his last startup and give investors their money back. He went deep into the valley of despair, certain he'd missed his window to build something big. Then he met a co-founder, decided to start over, and started selling. In this episode, George breaks down how a customer signed a $36K pilot off nothing but a Loom and a one-pager, how cold email took him from zero to $1M ARR with no sales team, and why a "seven out of ten" is the most dangerous hire you can make. Why You Should Listen * How a customer signed a $36K pilot after a single Loom and zero calls. * Why he gave the money back on his last startup—and what "follow your energy" really means. * How cold outbound email built his first $1M ARR with no sales team. * Why a "seven out of ten" is the most dangerous hire you can make. Keywords startup podcast, startup podcast for founders, product market fit, finding pmf, fintech, accounts receivable automation, AI agents, cold outbound email, B2B SaaS, Series A fundraising, services as software Chapters * 00:00:00 Intro * 00:01:39 The Moment of True Product Market Fit * 00:03:33 Shutting Down a Small-Market Startup * 00:07:44 Picking Fintech From Five Ideas * 00:17:12 From Black Box to Full App * 00:24:47 $1M ARR on Cold Email Alone * 00:36:11 Why a "Seven" Is the Most Dangerous Hire * 00:42:15 Compressing a $25M Series A Send me a message to let me know what you think! [https://www.buzzsprout.com/1889238/fan_mail/new]