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Doug Turnbull

Doug Turnbull

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Led teams at Shopify, Reddit, Wikipedia

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Doug Turnbull -- search should be an asset. Not mysterious.

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 endless landscape first hand. Yet Doug wants to deeply understand the what / how / why, and 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?

Alumni reviews

Julian

Live cohort
Generative AI Engineer · Arboria

Cheat at Search with Agents

Took this course twice. Not because I forgot, but because it’s THAT good. Doug mixes the latest practical advances in search, grounded in theory so you actually understand why things work. The small cohort of experienced search engineers makes every session a genuine discussion, not a lecture. Practical, rigorous, and worth every hour. 10/10 Would cheat (ethically) again.

Pankaj

Live cohort
Product Manager · Upwork - Freelance

Cheat at Search with Agents

This is the bleeding edge of search in Feb 2026, though it may be less so in March :) at this rate. Even after having done the AI Powered Search class once this is completely different and truly made me realize the depth of Agentic architecture engineering needed for the Search space at this point. And the fact that it will probably be different in 6 months. The pre-built code and the analysis were quite eye opening for me and worth it!

ihower

Live cohort
full-stack developer · aihao.tw

Cheat at Search with Agents

Very unique content on search that’s hard to find anywhere else. It goes beyond basic RAG and gives clear, practical insights. Excellent course.

Andrei

Live cohort
AI Engineer & Psychologist · Defendermate

Cheat at Search with Agents

I highly recommend Doug. He’s highly knowledgeable, stays current with the latest trends, and has a strong grasp of state-of-the-art techniques and tools.

Jinesh

Live cohort
Software Engineer · Bloomberg LP

Cheat at Search with Agents

This course provided some fresh perspectives on how LLMs / agents can be leveraged to improve search from various perspectives including: relevancy and retrieval. Insightful and informative!