AI Engineer World's Fair 2026 — unofficial import demo

Eng Lead, AI, Notion

Sarah Sachs is an engineering leader focused on shipping practical, high-leverage AI into real products at scale. Currently leading AI Modeling at Notion, she oversees four core areas of the company’s modeling efforts: Reasoning and Agentic Orchestration, Core Model Engineering, Search and Ranking, and Data Specialists & Evals — driving the next generation of Notion AI across reasoning, retrieval, and end-to-end drafting and editing. Before Notion, Sarah was Director of Engineering for AI and Infrastructure at Tome, where she led AI features reaching 18 million users, built end-to-end presentation generation, and owned the OpenAI partnership and model infrastructure. Prior to that she spent three years at Robinhood as Head of NLP & GenAI, setting company-wide generative AI strategy, transitioning a BERT-powered chatbot into a compliant generative assistant, and building NLP content moderation for a regulated fintech environment. Earlier in her career she was a founding ML engineer at Sunshine (formerly Lumi Labs) and a software engineer at Google, where she launched and patented Personal Score in Google Maps, featured at Google I/O 2018. Sarah holds a Sc.B. in Applied Mathematics–Computer Science from Brown University, graduating with a 4.0 CS GPA and the University Distinguished Thesis Award.