Latest Interviews

How Photoroom Trained Themselves To Dream Bigger

Gary Tan, Elliot

PhotoRoom, the largest Y Combinator company headquartered in Europe, leveraged a strategic pivot to e-commerce photography to achieve 300 million downloads and serve major clients like Amazon and Uber. Its founders attribute this exponential growth to a cultural shift fostered by YC, which replaced European risk aversion with a "failure-safe" mindset that treats a billion-dollar valuation as an attainable target. By enforcing English-only offices, prioritizing deep vertical focus, and utilizing aggressive resource constraints, the company instilled a mandatory ambition across its team to drive rapid scaling and execution speed.

Why Two IIT Engineers Turned Down $550K Jobs To Build A Startup

Varun Vummadi, Ankit Gupta

GigaML, a Y Combinator-backed startup founded by IIT Kharagpur alumnus Varun and his Stanford-educated co-founder, has pivoted from EdTech to developing AI agents that achieve 60% to 70% support deflection rates for major clients like DoDash and DoorDash. The company addresses the enterprise bottleneck of manual configuration by launching "AI forward deployed engineers" that automatically iterate policies to improve business metrics, a strategy enabled by their "0.1% talent" recruitment philosophy and heavy reliance on human-coded expertise rather than sales teams. By leveraging the YC trust network to secure early contracts with eight-person operations, GigaML aims to unlock broader enterprise AI adoption through a generic automation layer that eliminates the need for extensive human engineering resources.

Cursor Head of Design Roasts Startup Websites

Ryo Lu, Aaron Epstein

Ryo Liu, Head of Design at Cursor, critiques eight AI-generated websites to reveal a widespread pattern of "vibe-coded" homogeneity where default styling and vague messaging obscure core value propositions. The review highlights specific failures across diverse startups, such as broken interactions, inconsistent design tokens, and confusing user flows that prioritize aesthetic trends over functional clarity. Ultimately, the analysis argues that successful AI-built products must move beyond generic templates by establishing unique brand identities, utilizing literal language, and maintaining rigorous consistency to build user trust.

The Startup Playbook for Hiring Your First Engineers and AEs

David Paffenholz, Harj Taggar

Founders guide early-stage companies through high-stakes talent acquisition by prioritizing direct, personalized outreach to engineers and sales leaders who balance high-risk startup equity against big-tech stability. The event outlines a rigorous hiring framework where founders personally "sell" the vision in the first interview, execute multi-step sourcing campaigns to achieve 40% reply rates, and leverage tools like Juicebox to automate candidate discovery. By maintaining a rapid seven-to-fourteen-day decision cycle and tailoring offers to individual motivators, organizations successfully convert top engineering and account executive talent who possess a founder mindset.

Don't Just Check Off Boxes

Michael Truell

The discussion advises professionals to prioritize subjects driven by personal interest rather than those that merely satisfy external requirements. It further emphasizes constructing serious, long-term collaborative relationships with peers who are both enjoyable and deeply respected. By shifting focus from short-term metrics to the consistent development of substantive projects, participants are encouraged to build a more meaningful and sustainable career trajectory.

Ask These Questions Before Starting An AI Startup

Jordan Fisher

Founder and alignment researcher Sam Altman warns that the imminent arrival of AGI within two to three years forces startups to radically rethink hiring, product design, and long-term strategy beyond traditional focus models. He argues that enterprises will soon bypass external SaaS providers by building internal software with AI, while consumer markets may shift from static apps to on-demand, AI-generated solutions that require new trust mechanisms like automated auditing. Ultimately, Altman urges founders to prioritize solving hard infrastructure problems and societal impact over immediate monetization, as the window to build defensible moats against commoditization and centralized control narrows rapidly.

How to Spend Your 20s in the AI Era

Garry, Harj, Diana, Jared

The event critically examines how AI is collapsing traditional computer science career safety nets and redefining startup economics by shifting capital formation toward direct revenue generation rather than external validation. It argues that competitive advantage now relies on "forward-deployed engineering" and niche domain expertise, urging founders to build value through tangible utility rather than brand narratives or simulated success. Furthermore, the discussion outlines a preparation framework for entrepreneurs emphasizing frugality, co-founder synchronization, and the strategic use of proprietary data to secure moats in specialized markets before the potential obsolescence of human labor renders current wealth accumulation obsolete.

The best consumer companies incorporate both virality and network effect to grow organically.

Metcalfe's Law posits that a network's value scales with the square of its user base, transforming a single-user platform like WhatsApp from worthless to globally vital. This dynamic illustrates how the mathematical relationship between nodes and utility drives exponential growth for individual participants. Consequently, consumer companies achieve organic expansion by strategically combining distinct mechanisms of virality and network effects.

To be able to create something different, you have to be somewhat contrarian.

The event posits that the unlikable traits of founders, such as confrontational candor and an innate compulsion to fix broken systems, are essential contrarian mindsets required to disrupt the status quo. While this critical behavior often leads to conflict with authority and creates difficulties as an employee, it serves as a prerequisite for identifying operational failures and driving innovation. Ultimately, the presentation argues that the same dissatisfaction with inefficiency which marks a "shitty employee" is the defining characteristic of a successful founder.

Design Tips to Convert More Customers | Design Review

Aaron Epstein, Pete Koomen

Optimizely co-founder Pete Kuman analyzes how four distinct SaaS platforms manage their conversion funnels, contrasting Rivet's confused user experience caused by conflicting calls to action against Decoherence's successful strategy of minimizing friction through social proof and repeated "start free trial" prompts. While Decoherence excels at top-of-funnel acquisition, the discussion highlights critical gaps in onboarding guidance, whereas Solve Intelligence and InEvent illustrate how poor audience targeting, unclear value propositions, and buried features can severely hinder conversion despite strong social credentials. The episode concludes by emphasizing the necessity of mapping user journeys to eliminate redundant steps and guide visitors efficiently toward their "aha moment."

How Surbhi Sarna Built A $275M Biotech Company From Nothing

Surbhi Sarna, Ryan Briggs

Serby Serna founded Envision Medical to develop the first FDA-cleared device for early ovarian cancer detection, overcoming significant investor bias by securing seed funding before raising $20 million to advance the technology. The company achieved a $275 million acquisition by Boston Scientific after demonstrating clinical viability, marking a successful exit for Serna who previously faced rejections based on her lack of advanced degrees. Now a Group Partner at Y Combinator, Serna leverages her experience to advocate for biotech founders based on problem-solution fit rather than traditional academic credentials.

50 Founders Share How They Got Their First Customers

Founders validated their personal finance and ag-tech concepts through aggressive outbound strategies and viral inbound channels, generating nearly 1,000 waitlist sign-ups and converting early users into paying customers within days. By leveraging diverse acquisition tactics ranging from door-to-door pitches to Reddit launches, teams achieved significant metrics such as a 50-to-10,000 follower surge and immediate revenue from non-coded solutions. These early adopters now serve as the foundation for a demo day strategy, with founders actively pivoting job offers into sales opportunities and preparing targeted outreach to major industry executives.

60 Startup Founders Share How They Met Their Co-Founder

Diverse founder pairs established their startups through a wide array of pre-existing connections, ranging from long-term personal bonds and professional histories at companies like Airbnb and Bolt to modern matchmaking platforms and chance encounters during the pandemic. These teams strategically aligned complementary technical and non-technical skill sets, often leveraging decades of friendship or shared professional passions in sectors like decarbonization to overcome the risks of leaving stable employment. The resulting ventures, which span from formalizing side projects to launching full-scale decarbonization initiatives, were ultimately driven by mutual trust and verified operational delivery tracks that facilitated critical decision-making moments.

Ignore the haters, and keep on building cool stuff.

The speaker argues that successful ventures must solve customer problems in an "amazing way" rather than relying on superficial "thin wrapper" strategies or cargo cult behavior around existing infrastructure. While acknowledging that some projects begin as simple toys, the advice warns founders to ignore backlash from critics if their model is merely a trend-chasing wrapper, emphasizing that genuine innovation is the only viable path for growth. This perspective frames the current market climate as an opportunity for optimism and building cool products, provided they evolve beyond weekend-build claims to offer real value rather than serving as mere capital-raising vehicles.

Investors don’t validate your startup — users do.

YC Group partner Serbi Sarna founded Envision, a medical device startup for cancer detection, after securing its initial $500,000 in funding by forgoing her personal salary for two years. Despite facing rejection from over 50 investors during her capital raise, Sagna convinced a small subset of backers to believe in her vision. This persistence ultimately led to the company's acquisition for $275 million, illustrating that startup success often depends on securing investment from a critical few rather than universal approval.