Julien Le Dem
Principal Engineer, Datadog · 1 appearance on the record.
computed by AI from the episodes · how this works → · full disclaimer →
engineerfounderexecutive@J_ ↗LinkedIn ↗julien.ledem.net ↗
Julien Le Dem is a data infrastructure leader best known as a co-creator of open-source projects including Apache Parquet, Apache Arrow, and OpenLineage. He co-founded data observability startup Datakin and previously led data processing tools at Twitter.
2 not checkable as stated how the 2 claims stand · each chip opens the sources
1 prediction · 1 assertion · 2 insights · 1 disclosure · every statement was checked. The prediction and assertion are the 2 claims: statements the public record can support or contradict. 0 are resolved, and 2 name no date, number or outcome precise enough to check. Everything else (opinions, insights, what ifs, disclosures) can never be settled by the record, so it carries no assessment.
The record, in short
What the tape says about how Julien argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.
How they sound: speaking style how? →
218 words/min while actually speaking · 29.6 um and uh per 1k words
No argument clarity score for Julien Le Dem: only 1 usable question→answer exchange on raw tape (a fair score needs 8+). We do not score a sample that small. Roundtable and news formats yield far fewer direct exchanges than interviews.
Measured by listening to the audio itself: 4,331 words across 1 episode of raw-level tape, transcribed verbatim with every um and uh kept, each one attributed only where the alignment onto our timed stream is unambiguous. These are measurements of speaking style. We do not rank them: across this corpus, fluency and argument quality are nearly uncorrelated (ρ≈0.2), and smooth talking does not signal clear thinking. How it's measured →
Everything Julien Le Dem said on the MAD Podcast that made the record, most notable first. Filter by type, assessment or year in the ledger →
The other half of the tape: Julien Le Dem's own voice is left out of every number here. Other people bring the name up 4 times in 3 episodes on the MAD Podcast. every mention, with the transcript →
Who brings them up most Wes McKinney 2Pete DeJoy 1Matt Turck 1
Every mention by year
2022 1 mention in 1 episode
Appearances (1)
| Episode | Date | Speaking time |
|---|---|---|
| Data Observability and Pipelines: OpenLineage and Marquez | Feb 1, 2021 | 24m |