Doug Turnbull (Maven)

Doug Turnbull (Maven)

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Led teams at Shopify, Reddit, Wikipedia

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Doug Turnbull (Maven) -- 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

Very helpful course, I learned about PCA, quantization and HNSW graph traversal. The best part is that Doug codes in front of you and you also get access to the private slack channel where you can ask follow-up questions.
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Chinmay

August 2026
Software Engineer · Uber
The course was pure hands-on and extremely useful, especially for people building things from scratch. It also opened up a lot of detailed insights into vector builders and how they work in practice.
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Dave

August 2026
Technical Lead
Well spent 4 hours. The workshop covered the foundation of the algorithms used by the vector databases

Aparna

August 2026
Senior software engineer · PropertyFinder
Great workshop covering the different approaches to vector search.

Michelle

August 2026
Senior Software Engineer · AllTrails
good discussion of the foundational data structures and algorithms used in vector search systems
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Tony

August 2026
Senior Solutions Architect · Aiven