Matt Mazzeo
Managing Director, Lowercase Capital · 1 appearance on the record.
computed by AI from the episodes · how this works → · full disclaimer →
Matt Mazzeo is a Managing Director at Lowercase Capital, where he leads seed and Series A investments. He manages a portfolio that includes companies such as Uber, Twitter, Stripe, and Optimizely.
3 supported 1 partly supported 0 contradicted 2 not checkable as stated how the 6 claims stand · each chip opens the sources
2 predictions · 4 assertions · 1 opinion · 4 insights · 3 disclosures · every statement was checked. The predictions and assertions are the 6 claims: statements the public record can support or contradict. 4 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 Matt argues and how the claims held up. Everything they said, and everything said about them, is in the tabs below.
Their most notable supported claim
Expressed certainty vs assessment result
weighted support: a fully supported claim counts one, a partly supported claim counts half. Each filled bar is clickable and opens exactly those claims; "none yet" means nothing said at that certainty level has resolved yet
Argument clarity: do they answer the question? how? →
answered every one of 25 assessed questions directly
This is a score against a rubric. It is not a rank. Every host question → answer exchange is scored with names hidden on directness, coherence, precision and compression, 1–5 each, on meaning alone: disfluencies are ignored, and only raw unedited episodes count. This is the score that measures thought. Every scored exchange, scores shown → · The rubric and its checks →
How they sound: speaking style how? →
270 words/min while actually speaking · 32.6 um and uh per 1k words
Measured by listening to the audio itself: 5,920 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 →
How the interview went all their pushback → series average →
Across 1 rated episode:
Everything Matt Mazzeo said on 20VC that made the record, most notable first. Filter by type, assessment or year in the ledger →
The other half of the tape: Matt Mazzeo's own voice is left out of every number here. Other people bring the name up 27 times in 13 episodes on 20VC. 1 statement on the record names them. every mention, with the transcript →
Who brings them up most Harry Stebbings 20Joe Thomas 2Jonathan Abrams 1Emil Michael 1David Tisch 1Clinton Foy 1Charles Hudson 1
Statements about Matt Mazzeo, by other people (1)
Every mention by year
2024 1 mention in 1 episode
2022 1 mention in 1 episode
2020 2 mentions in 1 episode
2019 3 mentions in 2 episodes 2 per episode
- 20VC: Slow Ventures' Sam Lessin on How VC Forces Certain Companies To Exist and Makes It Difficult To Finance Others, Why Cities Won't Let Scooter Companies Be Profitable and Why Dapps Are A Concern and Where Emphasis Should Be Placed In Crypto
- 20VC: Worklife Ventures' Brianne Kimmel on Why More Operators Should Start Their Own Fund, How To Structure Your Round for the Highest Signal Round & What The Multi-Stage Funds Playing At Seed Means For The Rest of The Asset Class
- every mention in 2019, scene by scene →
2018 8 mentions in 2 episodes 4 per episode
- 20VC: The 2 Core Roles Played By The Best Seed Investors Today, What To Look For In Potential Co-Investors & Why Seed Funds Can Grow Ownership in Their Best Companies Across Rounds with Ron Bouganim, Founder @ Govtech Fund
- 20VC: Why Founders Should Not Always Be Raising, How To Build Relationships with VCs In A Condensed Timeframe, Why The Founder To VC Relationship Is Not Like A Marriage with Dave Vasen, Founder & CEO @ Brightwheel
- every mention in 2018, scene by scene →
2017 2 mentions in 1 episode
2016 10 mentions in 5 episodes 2 per episode
- 20VC: From Netscape To Friendster To Nuzzel: Jonathan Abrams on A Silicon Valley Adventure
- 20VC: Why You Have To Be A Good Long Term Actor To Succeed in VC & How Owning An Esports Team Could Be A $Bn Outcome with Clinton Foy, General Partner @ Crosscut Ventures
- 20VC: Sam Lessin on Why Bots Will Change Business & The Internet Has Mostly Failed
- 20VC: Raising A Solo GP Fund & Why They Are So Prominent Today with Charles Hudson, Managing Partner @ Precursor Ventures
- 20VC: Niccolo De Masi on The Bursting Of The Tech Bubble and What It Takes To Be A Celebrity Partner with Glu Mobile
- every mention in 2016, scene by scene →
Appearances (1)
| Episode | Date | Speaking time |
|---|---|---|
| 20VC: Lowercase's Matt Mazzeo on Being Chris Sacca's Partner and The 3 KPIs to Successful | Mar 14, 2016 | 25m |