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Silen Naihin

Silen Naihin

Co-founder & CEO at Endflow. Ex-Founding AI Engineer, YC Founder

San Francisco, California
Joined July 2026

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Summary

Silen Naihin is a serial AI entrepreneur with a strong background in foundational AI engineering and research. He has co-founded multiple AI-focused startups including Endflow (YC W24, CEO), Stackwise, and Impress, and was a founding AI Engineer at AutoGPT, where he led initiatives in benchmarking and safety for agent development. His work has been cited by the New York Times. x+2
He possesses a unique blend of technical and business acumen, evident in his diverse experiences from full-stack development and AI engineering contracts to digital marketing and technical partnerships. This broad skill set enables him to not only build innovative AI solutions but also understand the strategic and commercial aspects of technology. silennaihin+1
Educated at Minerva Schools at KGI with a Bachelor's in Computer Science, and a fellow of On Deck and Sigma Squared Society, Silen is committed to continuous learning and engagement with cutting-edge fields. His early focus on Quantum Computing at The Knowledge Society highlights his forward-thinking approach and interest in complex technological challenges. silennaihin+1
Beyond his professional pursuits, Silen is also a recognized author on topics ranging from quantum computing to self-improvement, and has engaged in social impact work, such as building houses in Jamaica. This demonstrates a multi-faceted personality driven by both intellectual curiosity and a desire to contribute positively to the world. silennaihin+2

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Engaged in missionary work in Jamaica, building houses for the poor. silennaihin