Data Conference Databasea Query.Farm index
Speakers

Jelte Fennema-Nio

Employers on the program

  1. 2024–2026MotherDuck5 talks
  2. 2023–2024Microsoft2 talks

Bluesky: @jeltef.nl

The year around now

Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.

JanFebMarAprMayJunJulAugSepOctNovDecPGConf NYCPGConf NYC (Postgres Summit US from 2026)
Held in the past 12 months Next 12 months Today, Nov 10, 2026

Appearances by year

201920202021202220232024202520262027
  • PGConf NYC (Postgres Summit US from 2026)
  • PGConf.dev (formerly PGCon)
  • PGConf India
  • PostgreSQL Conference Europe (PGConf.EU)

Talks

DateEventConferenceRoleTitleLinks
Sep 30, 2026Postgres Summit US 2026PGConf NYC (Postgres Summit US from 2026)speakerJust enough Postgres compatibility to keep your sanity
as MotherDuck

Postgres has become the most popular database. Which is why many other databases claim to be "Postgres compatible".

Slides
Sep 29, 2025PGConf NYC 2025PGConf NYC (Postgres Summit US from 2026)speakerpg_duckdb: Ducking awesome analytics in Postgres
as MotherDuck
pg_duckdb is a new open-source Postgres extension that makes it easy and fast to run analytics queries straight from within Postgres. You can often use…Show less

pg_duckdb is a new open-source Postgres extension that makes it easy and fast to run analytics queries straight from within Postgres. You can often use pg_duckdb to speed up your slowest Postgres queries significantly without having to make any changes to your query, data or schema!

Slides
May 13, 2025PGConf.dev 2025PGConf.dev (formerly PGCon)speakerWhat can Postgres learn from DuckDB?
as MotherDuck

Date: 2025-05-15 Time: 14:30–14:55 Room: Regence B2C Level: Intermediate

Slides
Oct 22, 2024PGConf.EU 2024 (14th PostgreSQL Conference Europe)PostgreSQL Conference Europe (PGConf.EU)lightning talkLightning Talks
as MotherDuck
A series of short talks, each a maximum of 5 minutes long, submitted by attendees and selected during the conference itself. Details on how the talks were…Show less

A series of short talks, each a maximum of 5 minutes long, submitted by attendees and selected during the conference itself. Details on how the talks were submitted/selected are available here

Slides
May 28, 2024PGConf.dev 2024PGConf.dev (formerly PGCon)speakerThe PostgreSQL Protocol: The Good, the Bad and the Future
as MotherDuck

Date: 2024-05-29 Time: 11:30–12:20 Room: Canfor(1600) Level: Intermediate

SlidesVideo
Feb 28, 2024PGConf India 2024PGConf IndiaspeakerPostgres load balancing is secretly broken: The cancellation problem
as Microsoft
On certain workloads a single Postgres server cannot deliver the desired performance. If the traffic is read heavy, you could already resolve this by adding…Show less

On certain workloads a single Postgres server cannot deliver the desired performance. If the traffic is read heavy, you could already resolve this by adding read replicas.

SlidesVideo
Oct 3, 2023PGConf NYC 2023PGConf NYC (Postgres Summit US from 2026)speakerThe future of connection pooling: PgBouncer or something else?
as Microsoft
Postgres its connection pooler landscape is constantly changing: PgBouncer now supports named prepared statements in transaction pooling mode! New connection…Show less

Postgres its connection pooler landscape is constantly changing: PgBouncer now supports named prepared statements in transaction pooling mode! New connection poolers with other fancy features like sharding and clustering are popping up too.

Slides

Frequent co-speakers

SpeakerShared eventsShared talksLast together
Claire Giordano612026
Bruce Momjian5—2026
Robert Haas5—2026
Andres Freund5—2025
Amit Kapila4—2026
Robert Treat4—2026
Ryan Booz4—2026
Keith Fiske4—2025
Magnus Hagander4—2025
Melanie Plageman4—2025
Neeta Goel312026
Floor Drees312025
Ankit Mittal3—2026
Bertrand Drouvot3—2026
Chirag Dave3—2026

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.