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The Twin Project

The Twin Project

Marc Leisner, Lucas Leisner 153 Episodes Sep 29, 2026

Identical twins Marc and Lucas Leisner share their passion for building startups and exploring AI tools and business strategies. They analyze everything from restaurant table counts to startup metrics, offering insights for aspiring entrepreneurs. The podcast covers AI, AI tools, and AI startups, blending nerd culture with practical business advice.

Episodes

Most AI Is Hype. Here’s What Actually Makes Money | Eric Bidinger
Most AI Is Hype. Here’s What Actually Makes Money | Eric Bidinger Sep 29, 2026 00:48:44 Episode #159: After 17 years in private equity, Eric Bidinger switched sides of the table and became a founder.And building companies turned out to be very different from analyzing them.In this episode, we sit down with Eric, founder of Ask Luca, to talk about the role luck really plays in business, how entrepreneurs can increase their "luck surface area," and what years in private equit
Melker Pasternak Ivarsson: When Software Becomes Free, What Businesses Survive?
Melker Pasternak Ivarsson: When Software Becomes Free, What Businesses Survive? Sep 22, 2026 00:47:08 Episode #158: If anyone can build an app, what happens to SaaS?Melker Pasternak Ivarsson joins us to discuss what happens when AI makes software dramatically cheaper and easier to create.We explore whether SaaS is actually dying, the rise of micro SaaS and one-person companies, and the three business moats Melker believes AI cannot easily reproduce: network effects, proprietary data and licenses o
Why You Keep Self-Sabotaging (Even When You Know Better) | Jenifer Merifield
Why You Keep Self-Sabotaging (Even When You Know Better) | Jenifer Merifield Sep 15, 2026 00:55:36 Episode #157: Why do we self-sabotage even when we know exactly what we should be doing?Jenifer Merifield joins us to unpack the psychology behind self-sabotage, procrastination, identity and behaviour change.We explore how your subconscious and nervous system can influence decisions before your conscious mind gets involved, why stepping outside your comfort zone can feel “wrong,” how childhood ex
Adam Spector: The AI Race, Future of Work & Why We’re Not Ready
Adam Spector: The AI Race, Future of Work & Why We’re Not Ready Sep 8, 2026 00:59:48 Episode #156: Adam Spector is back six months after our first conversation, so we decided to check which of his AI predictions actually came true.We talk about why AI may make the best workers of the future look more like managers than specialists, with individuals potentially coordinating dozens of digital workers simultaneously.Adam explains why generalists could become increasingly valuable, wh
He Helped Fix Twitter. Now He’s Building AI Infrastructure (William Morgan)
He Helped Fix Twitter. Now He’s Building AI Infrastructure (William Morgan) Aug 20, 2026 00:56:22 In this episode, we sit down with William Morgan, founder and CEO of Buoyant, to talk about how he turned Linkerd into a successful open source business and what it takes to build infrastructure for the next wave of AI. We cover the Twitter chaos that inspired Linkerd, why Rust was the right choice for a mission-critical system, and how Buoyant figured out the hard way which features companies wil
Cory Blumenfeld On Why AI Alone Won’t Build Your Business
Cory Blumenfeld On Why AI Alone Won’t Build Your Business Jul 14, 2026 00:44:36 Episode #154: Cory Blumenfeld has built five companies across industries he did not know going in, from driveway repair to healthtech, fintech, outsourcing, customer success, and LinkedIn personal branding.He exited CoHealth to ACTO, co founded Caribou, raised over $3M, and now runs BlueMoso and Linked Agency remotely from Playa del Carmen.In this episode, we talk about the big mistake many founde
Her Invention Was Stolen by a Billion $ Company | Amanda Sima
Her Invention Was Stolen by a Billion $ Company | Amanda Sima Jun 3, 2026 00:51:32 In this episode (153), the twins talk to Amanda Sima. Amanda Saima is a serial founder, inventor, and entrepreneur who has built businesses in collegiate apparel, consumer products, and now media.In this episode, Amanda shares how a vintage Ohio State sweater inspired her first company, how she got into the complex world of collegiate licensing, and what she learned from sourcing products internat
Why Most FinTech Startups Fail: Rejection, AI & Distribution | Vince Solo
Why Most FinTech Startups Fail: Rejection, AI & Distribution | Vince Solo May 18, 2026 00:38:43 Most founders love building. Fewer love selling. And according to Vasyl “Vince” Soloshchuk, that’s exactly where many startups go wrong.In this episode, we talk about why rejection is one of the most valuable forms of startup data, why founders need to talk to customers earlier, and why traction beats a smart-sounding idea every time.We also dive into FinTech, AI, distribution, data infrastructure
Why AI Needs Observability And What’s Coming Next | Todd Persen
Why AI Needs Observability And What’s Coming Next | Todd Persen May 12, 2026 00:39:08 In this episode, we talk with Todd Persen, CTO of Hydrolix, about the invisible infrastructure behind modern software, AI systems, and the internet.We break down what observability actually means, why startups should care about it earlier than they think, and how AI agents may soon rely on logs and telemetry to detect bugs, fix systems, and monitor infrastructure in real time.We also get into mass
Why Most Entrepreneurs Fail And How To Win | Mike Foster
Why Most Entrepreneurs Fail And How To Win | Mike Foster May 4, 2026 01:01:33 Why do most entrepreneurs fail?In this episode, we talk with Mike Foster about what actually drives success in business.We break down why execution matters more than ideas, why chasing revenue is often a mistake, and how most founders misunderstand pricing, margins, and growth.Mike shares lessons from over a decade of coaching entrepreneurs, including how to:build better teamsavoid bad clientsimpr
Why Fertility Is Collapsing And Nobody Talks About It | Kirsten Karchmer
Why Fertility Is Collapsing And Nobody Talks About It | Kirsten Karchmer Apr 23, 2026 01:00:50 Are we becoming less fertile as a species?In this episode, we talk with Kirsten Karchmer about the growing fertility crisis and what may be driving it. We cover sperm quality, plastics, stress, overtraining, poor sleep, blood sugar, PCOS, birth control, and why many people ignore the warning signs until they want to have kids.Kirsten also shares her own story of being diagnosed with MS at a young
How To Validate A Startup Idea Before You Build It | Ohad Shaked
How To Validate A Startup Idea Before You Build It | Ohad Shaked Apr 14, 2026 00:41:07 Most founders build first and think later. That is why many startups fail.In this episode the twins talk with Ohad Shaked. He is a founder investor and has been building startups for over 20 years. He now helps founders validate ideas and build real businesses with ThinkUp.If you want to learn how to validate a startup idea this episode is for you.We talk about How to validate a startup idea step

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