Heroes Behind AI

Deep conversations with the founders and experts building AI. What actually works, and what breaks.

Angelina Yang

About

Angelina Yang

Host of Heroes Behind AI on YouTube. Angelina interviews the technical founders and domain experts building AI — extracting the hard-won lessons behind the companies shaping the future of AI. AI/ML researcher, published author on RAG and machine learning, AI patent holder, and Anthropic Developer Contest winner. Her questions are basic on purpose. The ones a first-time builder or entrepreneur would want to ask but might feel too embarrassed to. That's the point.

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Latest

Insight Jesse Xu, CTO & Co-founder at Podqi

How One Startup Got 70% of Revenue From Referrals in 6 Months

Jesse Xu (CTO, Podqi) explains why brand protection's tight-knit industry generated 70%+ referral revenue — and the GTM lesson for any startup selling to professional communities.

Insight Jesse Xu, CTO & Co-founder at Podqi

The Sniff Test for When to Pivot Your AI Startup

Jesse Xu (CTO, Podqi) shares the framework that made his team pivot from patents to trademarks in under 4 months — if you can't validate your own AI's output, you're building in the wrong space.

Insight Jesse Xu, CTO & Co-founder at Podqi

Brand Protection Is a Revenue Driver, Not a Cost Center

Jesse Xu (CTO, Podqi) breaks down the 95/5 enforcement split — automate 95% of takedowns, investigate 5% for seven-figure legal settlements — and why clearing fakes grows baseline revenue 1-2%.

Insight Jesse Xu, CTO & Co-founder at Podqi

Why Online Marketplaces Profit From Counterfeit Goods

Jesse Xu (CTO, Podqi) explains the structural conflict of interest that lets fake products thrive on Amazon, Walmart, and Meta — and why platforms have no legal mandate to stop it.

Insight Devi Parikh, Co-CEO at Yutori

Yutori: Designing AI for Mental Spaciousness, Not Just Productivity

How a Japanese philosophy concept became the product vision for an AI monitoring platform.

Insight Paul Iusztin, Founding AI Engineer & Author of LLM Engineer's Handbook at Decoding AI

Why Domain Expertise Beats Coding in the AI Era

The author of LLM Engineer's Handbook tells engineers to stop specializing in code — and start specializing in a domain.