Guillermo Rauch

Founder & CEO, Vercel · 1 appearance on the record.

computed by AI from the episodes · how this works → · full disclaimer →

founderexecutiveengineerauthorinvestor@rauchg ↗LinkedIn ↗rauchg.com ↗

Guillermo Rauch is the founder and CEO of cloud platform Vercel and the co-creator of the open-source web framework Next.js. He previously co-founded LearnBoost and Cloudup, created popular open-source libraries like Socket.IO and Mongoose, and authored the book Smashing Node.js: JavaScript Everywhere.

31statements → 10claims → 2claims resolved → 3.74/5average certainty → 2.29/5average debate potential → 4.2/5argument clarity · the sources → 12said about them ↓

2 supported 0 partly supported 0 contradicted 1 not yet assessed 7 not checkable as stated how the 10 claims stand · each chip opens the sources

6 predictions · 4 assertions · 3 opinions · 16 insights · 2 disclosures · every statement was checked. The predictions and assertions are the 10 claims: statements the public record can support or contradict. 2 are resolved, 1 is not yet assessed, and 7 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 Guillermo 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

Assertion Supported

Rauch: Microsoft Azure has capitulated to become a Linux-first cloud

“Azure is a Linux-first cloud, as opposed to a Windows Server-first cloud, right?”

Guillermo Rauch Oct 6, 2023 ▶ 1:03:46 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Expressed certainty vs assessment result

none yet certainty 1

none yet certainty 2

none yet certainty 3

100% certainty 4

100% certainty 5

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? →

4.2 / 5 directness 4.5 · coherence 4.4 · precision 3.9 · compression 3.7

answered every one of 36 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? →

229 words/min while actually speaking · 7.8 um and uh per 1k words · 9.8 false starts per 1k · 30.1% of pauses land inside a clause

English is their second language (first language: Spanish). These numbers measure fluency in English. They do not measure thought; the argument clarity score above is read from substance alone.

Measured by listening to the audio itself: 10,896 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:

host pushback ▾ 4/10

pushed back at the host 2/10

setup questions received 40%

host pushback: the hardest questions Harry asked, tap to play ▶ 10:21“Do you think that decision would be the same today, given the state of SF back then being such a hard, such a great place?” ▶ 41:00“Can I push back on you and say, I think, I think that's like a transitory phase.” ▶ 34:37“Do you worry that you'll lose an inch on speed if you are? I didn't say this, your team said it, and your investors said it. Maybe a slight perfectionist when it comes to the level…”

What they said31 What others said12 Episodes1

Everything Guillermo Rauch said on 20VC that made the record, most notable first. Filter by type, assessment or year in the ledger →

Prediction Not checkable as stated

Rauch: AI will lead to the creation of more user interfaces

“Our point of view is that now people will be creating a lot more of those UIs.”

Guillermo Rauch Oct 6, 2023 ▶ 37:45 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: AI software requires more UI than traditional deterministic software

“Like, that's what I mean by it's actually giving you more UI, not less, because it's uncertain about what it is that you actually want. So it needs to give you more choices.”

Guillermo Rauch Oct 6, 2023 ▶ 45:38 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Software startups defeat incumbents by offering radically simpler products

“The entry players can win because they do a lot less and because it's so disruptive, then the incumbent has to say, holy crap, we have to delete everything. I feel so invested. I crafted every icon. I crafted every menu. I crafted every piece of documentation …”

Guillermo Rauch Oct 6, 2023 ▶ 54:38 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Prediction Open · timeframe Oct 2028

Rauch: AI wave will yield major IPOs like Web 2.0

“My prediction is just like what happened with web two by now, where you have, because of the platform shift toward mobile and social, you have countless successful IPOs from that generation. You have the Ubers, you have the Airbnbs, you have the Facebooks. We'…”

Guillermo Rauch Oct 6, 2023 ▶ 1:06:30 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Opinion

Rauch: San Francisco still holds a significant advantage for startups

“But in this specific place, I still think that SF has a significant advantage, but it's not the only place in which you can do things like this.”

Guillermo Rauch Oct 6, 2023 ▶ 12:11 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Only immigrants deeply appreciate host countries' unique qualities

“I truly believe that only immigrants can have a very in-depth appreciation for the unique qualities of the place that they immigrate into.”

Guillermo Rauch Oct 6, 2023 ▶ 12:36 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Opinion

Rauch: US system coalesces into fairness better than Argentina's

“And I noticed that even though like things can be in the short term, unjust, I think the system coalesces into fairness and justice much more frequently here than where I come from.”

Guillermo Rauch Oct 6, 2023 ▶ 14:51 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Application user experience matters far more than back-end implementation

“The thing that matters the most is the look and feel and the Capability of the application, the device, and then how you make that happen. I couldn't care less as an end user, right?”

Guillermo Rauch Oct 6, 2023 ▶ 16:42 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Disclosure

Rauch: Overweighting big-tech resume credentials was a past hiring mistake

“Sometimes I've placed more weight than I should have on this stellar linked list of awesome brands that you worked at. I did X at, let's just name random companies for the sake of it. Apple, Google, Amazon Netflix. And you look at that and you're like, well, f…”

Guillermo Rauch Oct 6, 2023 ▶ 21:26 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Providing UI choices generates feedback data to improve AI models

“Another easy to dismiss thing about the brilliance of some of those products is that because they are giving you choices, they're now feeding data back into the system to make it better in the next iteration.”

Guillermo Rauch Oct 6, 2023 ▶ 46:42 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Prediction Not checkable as stated

Rauch: Single-model software businesses will become less popular over time

“My maybe narrative violation is that businesses that only do one half of the equation Are gonna become less and less popular over time.”

Guillermo Rauch Oct 6, 2023 ▶ 59:38 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Painful problems where trust is the main barrier signal big opportunities

“When you know that the problem is so painful, but your only hesitation is whether you can offload it to somebody, there might be a huge opportunity there.”

Guillermo Rauch Oct 6, 2023 ▶ 1:12:38 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Individual achievement is bounded by underlying infrastructure

“What you can do in your lifetime will be a function of the underlying infrastructure that you're given. And if you're not given that infrastructure, the best thing that you can do is move to where you can find that.”

Guillermo Rauch Oct 6, 2023 ▶ 14:03 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Vercel evaluates talent and acquisitions by tangible public creations

“How I evaluate folks that want to join the company or companies that we acquire or folks that we reach out to is that what are they putting out into the world that is tangible? What can I use? What hyperlinks have you shared with the world about your creations…”

Guillermo Rauch Oct 6, 2023 ▶ 16:55 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Writing serves as the front end to a candidate's mind

“Your writing could be that front end to your mind.”

Guillermo Rauch Oct 6, 2023 ▶ 18:11 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Conceptual understanding helps leaders separate storytellers from real technical executors

“Like, I think being able to dive into like the absolute depth of the problem is, is something that everyone should be able to do. That doesn't mean that you have the complete texture But you have the ability to, I think really what you need is the conceptual u…”

Guillermo Rauch Oct 6, 2023 ▶ 20:33 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Prediction Not checkable as stated

Rauch: Generation's best products will feature deceptively simple interfaces hiding complexity

“I do think that a lot of those will be This deceptively simple things where the interface of the user is just magical and the company took on the burden, right?”

Guillermo Rauch Oct 6, 2023 ▶ 26:01 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Startups competing with incumbents like AWS must offer simplification

“And certainly if you're trying to compete with them, you're not going to replicate their approach. You're going to try to bring a simplification to the market.”

Guillermo Rauch Oct 6, 2023 ▶ 29:37 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Opinion

Rauch: Apple succeeds by ignoring trends and picking battles

“Like this is something that Apple does remarkably well because they don't react to every trend that emerges. They pick their battles.”

Guillermo Rauch Oct 6, 2023 ▶ 31:16 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Minimize experiment blast radius to balance velocity and quality

“You can find the ways of reducing the blast radius of your experimentation such that when it's the time that you bring the product to everybody, you've accumulated enough evidence of success that you have an overwhelming amount of confidence in what you're bri…”

Guillermo Rauch Oct 6, 2023 ▶ 32:59 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: CEO role is setting quality standards, not inspecting every project

“I'm not the one that is like going after every single project and applying this rigorous testing. You know what I mean? I'm the one that is saying, this is the bar. These are some of the techniques. These are some of the stories.”

Guillermo Rauch Oct 6, 2023 ▶ 35:09 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Concrete past examples are essential to ship fast with high quality

“I think if you don't have those stories that you can actually give people, like, it almost sounds like, it sounds like, it sounds so contradictory, That you could move fast and ship with high quality, that if you cannot offer people those stories of like, this…”

Guillermo Rauch Oct 6, 2023 ▶ 35:42 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Prediction Not checkable as stated

Rauch: Next-gen apps like Notion and Figma will look completely different

“So if I have to create the next notion, the next superhuman, the next figma, My bet is that it certainly is going to look completely different because before I would reach for what I would call like software one point no solutions.”

Guillermo Rauch Oct 6, 2023 ▶ 39:34 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Insight

Rauch: Great companies are defined by how many ideas they reject

“What makes a company good is how much they reject over time, how many things they say no to, how many attract, seemingly attractive on the surface ideas they rule out before they decide, yes, that's the one that goes to market.”

Guillermo Rauch Oct 6, 2023 ▶ 48:36 Guillermo Rauch: Why Great Companies are Defined by How Many Things They Say No To | E1069 · 20VC with Harry Stebbings

Show 7statements(7 left)

The other half of the tape: Guillermo Rauch's own voice is left out of every number here. Other people bring the name up 11 times in 9 episodes on 20VC. 1 statement on the record names them. every mention, with the transcript →

Who brings them up most Harry Stebbings 7 Geoff Lewis 3

Statements about Guillermo Rauch, by other people (1)

Assertion Supported

Stebbings: Guillermo Rauch saw Vercel AI inbound grow 1% to 4%

“I've seen also Guillermo Rauch at Vassell's mentioned it's moved from like one to four percent of their kind of inbound.”

Harry Stebbings Apr 4, 2025 ▶ 10:48 20Sales: How the Best Sales Teams Use AI to Win Enterprise Deals | Sales Teams Will Be Dramatically Smaller | How to Ramps Sales Reps Way Faster | Why Unpaid Design Partners are BS | Why this Generation of Sales is Soft with Ishan Mukherjee @ Rox