Summary
Bernard X is a San Francisco–based Co-Founder and CTO with 11 years of full-stack and AI engineering experience building product-first tools that turn user data into actionable work. He founded Kestral—an AI task prioritization startup backed by Y Combinator—after senior engineering roles at Asana and as the first hire at Terrastruct, bringing deep experience in authorization, developer-facing diagramming, and product orchestration. Bernard has a track record of joining early teams (AllStripes, Terrastruct) and scaling systems that connect customer signals to product decisions, and he’s passionate about coding and AI engineering workflows. He combines hands-on implementation with product sensibility, often focusing on how ML can make operational decisions measurably more useful for teams.
11 years of coding experience