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How Harsh Vardhan Goenka became founding engineer #1 at Kalpa Labs
From ICPC World Finals to competitive programming clubs to building generalist audio models as the first engineer at a YC startup.
How Dylan Anderson became founding engineer at Adam
Dylan left Minnesota for San Francisco to build AI agents for CAD software as the first engineer at Adam (W25).
How Andrew HunzekerHesed became Employee #1 at 10x Science
A principal engineer left consumer-scale software to build AI-native scientific analysis tools as the founding engineer at 10x Science.
How Max Friedlander became founding operations at Petrarch
A math major who turned down safe internships to lead high-stakes deals at a YC S26 startup supplying data for frontier AI labs.
How David Mount became employee #2 (for the second time) at 10x Science
A veteran engineer finds his next act helping scientists discover cures, one amino acid at a time, at YC W26 startup 10x Science.
How Yair Alon went from building Portrait Mode at Google to founding researcher at Poetiq
After 10 years at Google Research and DeepMind, Yair Alon joined Poetiq to build an AI that improves itself.
How Varsha Parthasarathy became engineer #1 at Flex — solving a problem she'd experienced
From Lyft's self-driving division to fixing HSA/FSA payments, Varsha joined Flex as its first engineer and built from scratch.
How Sherif Amer went from electronics engineer to employee #1 at Indemni
A layoff, two years of travel, and a self-taught pivot to software led Sherif Amer to become the founding engineer at Indemni.
How Alex Lee became the first engineer at Magic Patterns
Alex Lee left his own startup to join Magic Patterns as founding engineer — and built a slide deck feature in a weekend.
How Vin Bui became engineer #1 at Nowadays — and started treating it like his own company
Vin found Nowadays on Work at a Startup, saw a codebase he could fix, and joined as the first engineer. Now he builds AI voice tools and mentors the team.
How Ryder Kemper became employee #7 at Corgi Insurance — and never left San Francisco
Ryder flew to SF for a work trial, moved furniture in a Mystery Machine bus, and decided to stay. Here's what building from day one looks like.
Vivian Midha Shen and Raphael Schaad Join YC as General Partners
We’re thrilled to announce that Vivian Midha Shen and Raphael Schaad are joining Y Combinator as our newest General Partners.
Christopher Golda and Grey Baker Join YC as General Partners
We're excited to announce that Christopher Golda and Grey Baker are joining YC as General Partners.
Diana Hu Is YC's Newest Managing Partner
We're thrilled to announce that Diana Hu has been promoted to Managing Partner at Y Combinator. Few people have built a startup from zero and also shipped tech to 100 million people. Diana has done both.
Harshita Arora Joins YC as General Partner
We're thrilled to announce that Harshita Arora is joining Y Combinator as a General Partner. She brings deep fintech and infrastructure experience, a founder's instinct for product, and the perspective of someone who's been building companies since she was a teenager.
Adding Canada Back to Our List of Accepted Countries of Incorporation
After hearing feedback from Canadian founders in our network, we are adding Canada back to our list of accepted countries of incorporation.
Congratulations to EquipmentShare on Going Public
Today, EquipmentShare (YC W15) goes public. From Missouri to 373 locations nationwide, they've built the operating system construction has been missing—built by contractors, for contractors. Congrats to Jabbok, Willy, and the EquipmentShare team on a huge milestone.
Announcing the YC AI Stack
We've partnered with nearly two dozen companies to offer students who attend YC events a suite of over $25,000 in free credits for AI devtools.
2026 Demo Day Dates
We’re excited to share the Demo Day dates for 2026 so founders, investors, and our broader community can plan ahead.
Meesho Goes Public
today. From S16 to IPO, they’ve built one of India’s largest e-commerce platforms—empowering millions of small merchants to grow their businesses. Congrats to Vidit and Sanjeev on a decade of relentless building and listening to users!
In the directory since 25 Sept 2026 · last checked 9 Nov 2026 · RSS