Doug Turnbull

Doug Turnbull

In 2012, Doug got bit by the search bug and he’s still trying to keep up. From full-text search, to Learning to Rank models, to search agents that generate their own code, he knows the overwhelming landscape first hand. Yet Doug still works to deeply understand the what / how / why. He help teams use these technologies practically, distinguishing hype from reality.

He’s led search at Reddit, Shopify, and Wikipedia, authored Relevant Search and AI Powered Search, and advised 100+ organizations over the years – all in pursuit of the same question: how does search actually work?

Sessions

Training 1: Building Modern Search Platforms for Humans & AI

Training
14. September 2026, 09:00 - 13:00
Main Stage
Search is no longer just a product feature — it’s becoming a foundational platform that powers AI assistants, copilots, personalization engines, and internal knowledge systems. Shifting from a solid onsite search experience to a true search platform raises new questions: how should teams collaborate, what data needs to be exposed and in what form, and how do you design for both human users and AI agents at once?

Training 2: LLMs as Judges for Search Result Quality

Training
14. September 2026, 13:45 - 17:45
Main Stage
Large Language Models (LLMs) transform how we build and evaluate search systems, it’s crucial to understand how to use them effectively as “judges.” This condensed, hands-on training introduces the principles and practical techniques for implementing “LLM as a Judge” to evaluate search result quality.