GConferenceGridThe Conference Catalogue · Vol. 2026Folio № CBA99B
Data

Berlin Buzzwords 2026

B

erlin Buzzwords is Europe’s leading conference for modern data infrastructure, search and machine learning and is focused on open source software projects. The event attracts data engineers, architects, devops experts, and open source enthusiasts for three days of talks and networking.

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82Voices
12Underwriters
0Exhibitors
10On the bill · sessions
60Companies · in total
§I

The Voices

Programmed at Berlin, in alphabetical order.
Alessandro Benedetti
Sease
Alessio Vertemati
Álvaro Rodríguez
StreamNative
Amine GANI
Adelean
André Charton
Kleinanzeigen.de GmbH
Andrey Abramov
SereneDB
Anna Ruggero
Sease Ltd
Apurva Misra
Sentick
Bartosz Mikulski
Busayo Ojo
Carles Onielfa
Progress Software
Carlos Rolo
Netapp Instaclustr
Carmen Iniesta
Progress Software
Celeste Horgan
Snowflake
Daniel Seybold
benchANT
David Kjerrumgaard
StreamNative
David Louis Hollembaek
Veeva Systems
Diana Todea
VictoriaMetrics
Dmitriy Kostunin
DESY
Emilie Ma
University of British Columbia
Filip Makraduli
Superlinked
Frank Munz
Databricks

— and 60 more, by name unsung —

§II

Underwritten By

The houses behind the program. Tiers as disclosed.
OpenSearchGold
QdrantGold
VespaGold
Vespa AIGold
HornetSilver
InstaclustrSilver
LinkUpSilver
Search GuardSilver
Thomson ReutersSilver
OpenSource ConnectionsBronze
AI Powered SearchContributor
BloombergRecording Partner
§III

The Programme

Selected from 10 sessions on the bill.
  • Monday 09:30 - 09:35 (5m)

    Opening Session

    Join us as we kick off Berlin Buzzwords 2026!

    #BBuzz
  • Monday 09:35 - 10:20 (45m)

    Building Resilience: The Next Decade of Open Source

    Over 25 years, open source has become vital digital infrastructure. However, its future relies on human resilience, not just code. To combat burnout, funding gaps, and new regulati…

    Operations / People & Community / Society, Ethics & Sustainabilty
  • Monday 10:40 - 11:00 (20m)

    Low-Resource Languages as Stress Tests for NLP Data

    Low-resource languages expose weaknesses in NLP systems that are often hidden by benchmark data. Drawing on experience annotating fieldwork data, this talk shows how ambiguity and …

    Data Science / Society, Ethics & Sustainabilty / Stories
  • Monday 10:40 - 11:00 (20m)

    OpenSearch Software Foundation: 1 Year of Open Governance

    In this presentation, we will talk through moving a major open source project into a foundation and the benefits of open governance, and a vendor-neutral home has proven through a …

    People & Community / Society, Ethics & Sustainabilty
  • Monday 10:40 - 11:00 (20m)

    Towards Chunk-less RAG

    Retrieval-Augmented Generation (RAG) systems rely on pre-chunked documents, tying retrieval to arbitrary boundaries. This talk explores an experimental approach that surfaces seman…

    Search / Stories
  • Monday 11:10 - 11:50 (40m)

    Apache Solr 10: What's Coming up for Vector Search

    With Apache Solr 10 out, there are plenty of goodies coming up for vector-search aficionados. From scalar and binary quantization to speed up your search and reduce the memory foot…

    Search
  • Monday 11:10 - 11:50 (40m)

    Dynamic Broker-Side Filtering for Kafka

    KAFKA-6020 has been open for 7 years. This talk demos broker-side filtering for Kafka with sub-millisecond latency (p99 < 25ms). Live demo with working code shows how it reduces ne…

    Stream
  • Monday 11:10 - 11:50 (40m)

    Mentoring In Open Source in the Age of AI

    Open source mentorship changed overnight with AI tools. Contributors submitted polished code they couldn’t explain, making learning harder to assess. This talk shares what we learn…

    People & Community / Society, Ethics & Sustainabilty
  • Monday 11:10 - 11:50 (40m)

    No 0-day required, just target the AI coding assistant!

    Discover how attackers can manipulate AI coding assistants through hidden text, typosquatting and code errors. Learn to detect concealed instructions and set up trusted dependencie…

    Data Science / Society, Ethics & Sustainabilty / Stories
Intermission
Part the Second · For the Buyer

What does it mean when 60 companies show up — and 2 bet on three roles at once?

60 companies. two 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.

01Fig. 01 — Composition of the House
2All threespeak · spons · exh
10Sponsoringsponsor only
0Exhibitingexhibitor only
48Speakingspeaker only

The Triple-Threat

OpenSearch·Vespa.ai

02Fig. 02 — The Voices, by Seniority
  • Other roles82100%

Of 82 on the bill · classified by free-text title

03Fig. 03 — The Heaviest in the Room
  1. 01OpenSearchSp·G1V
  2. 02Vespa.aiSp·G1V
  3. 03Adelean3V
  4. 04AI Powered SearchSp·C
  5. 05Amazon3V
  6. 06BloombergSp·R
  7. 07HornetSp·S
  8. 08InstaclustrSp·S
  9. 09LinkUpSp·S
  10. 10OpenSource ConnectionsSp·B
  11. 11QdrantSp·G
  12. 12Search GuardSp·S
  13. 13Sease Ltd3V
  14. 14Thomson ReutersSp·S
04Fig. 04 — By Tier
gold4
33% of 12
silver5
42% of 12
bronze1
8% of 12
contributor1
8% of 12
recording partner1
8% of 12
05Fig. 05 — The Missing · who's at peer events but not here

These companies sponsored two or more peer events recently, but aren't on this program. For an organizer, that's a list of warm prospects.