Călin Popescu didn’t just build a company—he built himself first. From leaving Romania to working in global tech companies, to launching Nostra:Biome, a startup tackling gut health through microbiome intelligence, his journey is filled with brutal lessons on discipline, resilience, and how startups actually survive.

🔥 In this episode, we cover:
🚀 The truth about startups: Why most fail & how to avoid it
🛠️ Building a company the hard way: From Romania to global entrepreneurship
💡 Why discipline > motivation in business (the key to long-term success)
📈 Lessons from launching a biotech startup (and why investors hesitate)
🔬 The gut-health connection: What most people (and doctors) miss

This isn’t just a startup story—it’s a lesson in how to think, build, and survive as a founder.