
Trey Grainger: Author & Speaker, Searchkernel
Trey is one of the leading voices in search and data science. His firm Searchkernel focuses on next generation AI search. This includes developing semantic search, personalization and recommendation systems, and building self-learning search platforms leveraging content and behavior-based reflected intelligence. Author and speaker, he is the co-author of Solr in Action. He previously served as CTO of Presearch and as Chief Algorithms Officer and SVP Engineering at Lucidworks.

Doug Turnbull: Principal Engineer, Reddit
Doug is a former Staff Relevance Engineer at Spotify, and former Chief Technical Officer at OpenSource Connections. He is the co-author of the book Relevant Search, and contributed chapters 10-12 on “Learning to rank for generalizable search relevance,” “Automated learning to rank with click models,” and “Overcoming bias in learned relevance models.”

Max Irwin: Founder of Max.io, Max.io
Max is focused on scaling production AI models, and former Managing Consultant at OpenSource Connections, a leading search relevance consultancy. Max contributed chapters 13-14 and much of 15 on “Semantic Search with Dense Vectors,” “Question answering with a fine-tuned large language model,” and “Foundation models and emerging search paradigms.”
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