Startup Stories - Mixergy

Ben Cera used AI coding agents to build a company that generates $689K. The agent creates ads using AI-generated people, handles customer support, and even builds the product. This is the story of how he built Polsia and the future of business.

Ben Cera is the founder of Polsia, an AI platform that autonomously builds and operates online businesses. A serial entrepreneur and former operator at CloudKitchens, Ben is now focused on creating AI-native companies where agents handle engineering, marketing, and operations with minimal human oversight. Polsia allows anyone to launch a business for $50/month, while the platform takes 20% of revenue in exchange for running the company.

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Elad Gil was an early investor in 40 unicorns, including major AI companies like Perplexity. I asked him what’s next for software companies now that AI can code better than humans, and what he’d invest in after AI.

Elad Gil is the Founder & Investor at Gil Capital, his private investment firm. He has backed some of the most iconic technology companies of the past two decades, including Airbnb, Stripe, Coinbase, Instacart, OpenAI, and SpaceX. A former executive at Twitter and Google, Elad is known for identifying major technology waves early — from social to SaaS to AI — and helping founders build category-defining companies.

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Josh Mohrer is the model of the kind of company that can be built with AI. He’s not a developer, but he vibe coded Wave AI into a $7 million / year note taking company. This is how he did it.

Josh Mohrer is the founder of Wave AI, an AI-powered audio note-taking app that records, transcribes, and summarizes conversations across meetings, phone calls, and real-world settings. Before Wave AI, Josh was an early leader at Uber, where he served as New York General Manager during the company’s rapid expansion. Today, he runs Wave AI as a highly profitable, one-person SaaS business, using AI to replace entire teams while staying deeply hands-on with product and customers.

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When a new user signs up, most companies add them to a standard drip campaign. Ryan Carson found a better alternative: his AI agent sends customized drip messages to every new registrant. It helps his company close more business. It’s just one way he uses AI to act as his VP of marketing. In this interview, he breaks down how he automated his marketing.

Ryan Carson is a three-time founder and longtime SaaS entrepreneur. He’s currently the founder of Untangle, an AI-powered platform designed to help people navigate divorce with clarity and less conflict. With over 25 years of startup experience, Ryan now focuses on building highly specialized AI agents that combine software, automation, and real-world business workflows.

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When YouTube kicked Pat Walls’ Starter Story channel off the platform, he spent a weekend getting Claude Code to build him a replacement. I wanted to see how it was done, so he walked me through it step-by-step.
Turns out it was a mistake and he’s back on YouTube, but the site he made was so good that it’s his company’s new homebase.

Pat Walls is the founder of Starter Story, a media and education company that helps entrepreneurs learn how real businesses get built. Starter Story generates over $2M a year through subscriptions, courses, and content, and its YouTube channel reaches millions of viewers each month. A former software engineer turned creator, Pat is known for experimenting publicly with new tools—most recently using AI to rebuild his own video platform when YouTube put his business at risk.

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