
Juan Castaño
Co-Founder & CEO at Benchify, revolutionizing code review with AI
San Francisco, California, United States
Joined January 2026
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Summary
Juan Castaño is a serial entrepreneur and co-founder and CEO of Benchify, a Y Combinator-backed company. He has a proven track record of successfully building and scaling businesses, including previously buying and selling a business for a 5x return on investment. His entrepreneurial journey is marked by a blend of technical understanding and business acumen, honed through his various roles and educational experiences. ycombinator+3
With a background in UI/UX design and product management, Juan brings a user-centric approach to complex technical challenges. He has developed MVPs for over nine clients as a UI/UX specialist and initiated growth product teams at companies like Klaviyo and Instawork. This experience is critical in making sophisticated technologies like formal verification accessible and user-friendly, as demonstrated with Benchify. nocap+3
Juan possesses a strong foundation in both economics and human-centered design from Dartmouth College, complemented by an MBA from MIT Sloan. His academic pursuits, combined with practical experience as a UI/UX Design Consultant at Dartmouth's DALI Lab and as a Teaching Assistant, highlight his interdisciplinary skills and ability to bridge the gap between technical innovation and market viability. nocap+4
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