Dan Siroker
Co-Founder & CEO, Optimizely · 2 appearances on the record.
computed by AI from the episodes · how this works → · full disclaimer →
Dan Siroker is the co-founder and CEO of Optimizely. He focuses on software optimization tools, A/B testing, and emerging internet technologies.
3 not checkable as stated how the 3 claims stand · each chip opens the sources
1 prediction · 2 assertions · 1 insight · 2 disclosures · every statement was checked. The prediction and assertions are the 3 claims: statements the public record can support or contradict. 0 are resolved, and 3 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 Dan 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? →
263 words/min while actually speaking · 18.3 um and uh per 1k words
No argument clarity score for Dan Siroker: no usable question→answer exchanges 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: 3,173 words across 2 episodes 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 Dan Siroker said on the a16z Podcast that made the record, most notable first. Filter by type, assessment or year in the ledger →
Appearances (2)
| Episode | Date | Speaking time |
|---|---|---|
| a16z Podcast | Tech's Biggest Ideas and How They Take Hold -- With Marc Andreessen and Dan | Jan 2, 2019 | 5m |
| a16z Podcast | Bending Every Pixel to Your Will -- Optimizely and the Next Wave of Interne | Jan 2, 2019 | 8m |