Foaster × YC

The AI-native consulting firm for AI Transformation.

Foaster is an AI agent platform that takes on the work traditional consulting firms charge enterprises millions to do around AI transformation. Its agents run interviews across an entire company in parallel, then assemble a continuously updated model of how the organization actually operates, including workflows, dependencies, and gaps where AI could be applied. Out of that map, Foaster produces an AI roadmap in days rather than months and stays with the customer to guide rollout, with human consultants stepping in only for judgment calls. The product is aimed at mid-market and enterprise leaders running AI, operations, or transformation programs who have struggled to turn slide decks into adoption. Beyond the roadmap itself, every employee receives personalized guidance tied to how their specific role is changing, which is the part the founders argue human consultants cannot deliver at scale. The pitch is a faster, more granular alternative to the McKinsey-style engagement, with the same firm responsible for the analysis also responsible for execution. Foaster is part of Y Combinator's Spring 2026 batch and was founded by Raphaël Dabadie (CEO) and Alexandre Combes (CTO), who spent a year advising enterprises on AI deployment before concluding that the binding constraint was visibility into how work actually happens inside companies. Combes previously built Répondia, an AI voice agent product used by restaurant groups in France, and the two co-authored LLM benchmarks studying model behavior that circulated widely in the AI community.

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