AI & Machine Learning

Haystack Europe 2026

Haystack Europe 2026 is the leading conference dedicated to search relevance and its intersection with AI and generative technologies. Organized by OpenSource Connections, the event brings together practitioners, engineers, product managers, and search professionals to share insights, tackle practical search and relevance challenges, and discuss advancements…

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34Speakers
4Sponsors
135Sessions
16Companies · in total

Speakers

Programmed at Haystack, in alphabetical order.

Agustín Bernardo
Superhuman
Ángel Maldonado
Empathy
Artur Barczyński
Cem Aksoy
Yelp
Daniel Wrigley
OpenSource Connections
David Tippett
GitHub
Doug Turnbull
Fabian Klemm
François Gaillard
Ivan Provalov
Jens Kürsten
Jo Kristian Bergum
Jon Handler
Amazon Web Services
Kathleen DeRusso
Elastic
Kevin M. Butler
KMW LLC
Kristina Braun
Maëlly Dubois
Adelean
Maria Lungu
Matin Mahmood
Matt Williams
Öykü Doğru
Paul Berschick

Sponsors

The companies behind the program. Tiers as disclosed.

Elastic
FirecrawlWorkspace Sponsor
Open SearchRecording Sponsor
Vespa.ai

Agenda

Selected from 135 sessions.

  • Monday 09:00 - 13:00

    Training 1: Building Modern Search Platforms for Humans & AI

    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. Shi…

  • Monday 09:00 - 13:00 (4h)

    Training 1: Building Modern Search Platforms for Humans & AI

    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. Shi…

  • Monday 13:45 - 17:45

    Training 2: LLMs as Judges for Search Result Quality

    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 traini…

  • Monday 13:45 - 17:45 (4h)

    Training 2: LLMs as Judges for Search Result Quality

    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 traini…

  • Monday, 14. September 09:00 - 13:00

    Training 1: Building Modern Search Platforms for Humans & AI

    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. Shi…

  • Monday, 14. September 09:00 - 13:00 (4h)

    Training 1: Building Modern Search Platforms for Humans & AI

    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. Shi…

  • Monday, 14. September, 09:00 - 13:00 (4h)

    Training 1: Building Modern Search Platforms for Humans & AI

    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. Shi…

  • Monday, 14. September 13:45 - 17:45

    Training 2: LLMs as Judges for Search Result Quality

    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 traini…

  • Monday, 14. September 13:45 - 17:45 (4h)

    Training 2: LLMs as Judges for Search Result Quality

    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 traini…

Company intelligence

What does it mean when 16 companies show up, and 1 bet on three roles at once?

Sixteen companies. one are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page, cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

Who's in the room
1All threespeak · spons · exh
3Sponsoringsponsor only
12Speakingspeaker only

In all three roles

Elastic

Speakers by seniority
  • Other roles34100%

Of 34 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1ElasticSponsor1
2FirecrawlSponsor · Workspace Sponsor-
3OpenSearchSponsor · Recording Sponsor-
4Vespa.aiSponsor-
5OpenSource Connections2
6Adelean1
7AWS1
8Elasticsearch1
9Empathy1
10GitHub1
11KMW LLC1
12MongoDB1
13Searchkernel1
14Superhuman1
Sponsors by tier
recording sponsor1
25% of 4
workspace sponsor1
25% of 4
unspecified2
50% of 4
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