co-founder

also referred to as: co-founders

28 statements across 19 episodes · 13 bullish · 3 bearish · 14 people on the record · first statement Feb 23, 2015 by Kirsty Nathoo · across every show →

Everything said about co-founder, oldest first

Feb 23, 2015 positive
Insight
Nathu: Startup co-founders should generally split equity more or less equally
“We generally say that equity should be split more or less equally between co-founders. That doesn't necessarily mean exactly equally, But we generally find that where there is an equity split that's very mismatched, you know, one founder has 90% and the other …”
Kirsty Nathoo Feb 23, 2015 ▶ 8:31 YC Panel at Female Founders Conference 2015 · Y Combinator
May 31, 2016 negative
Insight
Levy: Tacking on unfamiliar co-founders is more damaging than going solo
“It's such a better idea for founders to just try and if they don't have a co-founder to just do it themselves. It will be very hard, but it is the damage that can be done by tacking on a co-founder that you haven't worked with, that you don't know very well, t…”
Carolynn Levy May 31, 2016 ▶ 11:21 Q&A with YC at the Female Founders Conference 2016 · Y Combinator
Aug 30, 2016 negative
Insight
Livingston: Blind dates and last-minute co-founder pairings rarely work out
“Rarely. I'm trying to think of an example, and off the top of my head, I can't think of an example. Wow. Of two people who were introduced, or sort of bolted on to each other at the last minute, ever working. I'm sure there are examples of it has, having work,…”
Jessica Livingston Aug 30, 2016 ▶ 24:55 Jessica Livingston : How to Build the Future · Y Combinator
Mar 17, 2017 positive
Insight
Altman: Co-founders should receive near-equal equity splits
“If you're not willing to give someone, your co-founder, you know, like an equal share of the equity I think that should make you think hard about whether or not you want them as a co-founder.”
Sam Altman Mar 17, 2017 ▶ 25:05 Team and Execution with Sam Altman (How to Start a Startup 2014: Lecture 2) · Y Combinator
Mar 8, 2018
Insight
Gil: Very early co-founder conflict is usually unresolvable
“Well, there, there's two types of, ah, co-founder conflicts, resolvable and unresolvable. Ah, I'd say, If it starts very early, usually it's unresolvable and somebody's gonna have to leave. If it starts late, usually there's a reason and you can fix it.”
Elad Gil Mar 8, 2018 ▶ 1:03:51 Elad Gil and Pejman Nozad - Startup Investor School Day 3 · Y Combinator
Jul 11, 2018
Insight
Founders should seek partners with complementary skills but identical moral compasses
“Find a co-founder with complementary skills, but the same moral compass as you.”
Jessica Livingston Jul 11, 2018 ▶ 24:34 Jessica Livingston Shares 9 Things She Learned From Founding YC · Y Combinator
Aug 29, 2018
Insight
Levy: Founder equity disputes often signal underlying trust or commitment issues
“If you and your co-founders are having a really hard time coming to a consensus about stock allocation, there may be underlying trust or commitment issues with the team, so you want to pay close attention to that.”
Carolynn Levy Aug 29, 2018 ▶ 6:29 Carolynn Levy And Panel (Jon Levy, Jason Kwon) - Startup Legal Mechanics · Y Combinator
Sep 1, 2018 positive
Insight
Ralston: Unequal equity splits like 51/49 are better to maintain control
“It's usually better to have somewhat equal shares, not, not, but not completely equal, and if one person has 51% and the other person has 49%, then they can control.”
Geoff Ralston Sep 1, 2018 ▶ 47:04 A Conversation with Paul Graham - Moderated by Geoff Ralston · Y Combinator
Oct 3, 2018 positive
Insight
Collison: Most Successful Co-Founding Teams Disagree With Dispassion
“I think that you know, something that we're kind of lucky about that I think is very, well, exactly to your point, I think he's definitely present in sort of the most successful co-founding relationships that I've seen is some degree of sort of dispassion in d…”
Patrick Collison Oct 3, 2018 ▶ 8:51 Running Your Company by Patrick Collison · Y Combinator
Oct 3, 2018 positive
Insight
Iorns: Founders can start biotech companies without holding a PhD
“I think if you're building a biotech company, you obviously have to build a scientific team and then you'll end up with PhDs in your team, but you can be a co-founder without a PhD.”
Elizabeth Iorns Oct 3, 2018 ▶ 51:02 A Conversation with Elizabeth Iorns - Advice for Biotech Founders · Y Combinator
Feb 27, 2019 neutral
Disclosure
Saroya: Cover's Co-Founders Still Live Together
“Actually our co-founders still live together.”
Karn Saroya Feb 27, 2019 ▶ 28:03 Karn Saroya on the Capital-Light Way to Start an Insurance Business · Y Combinator
Jul 3, 2019
Insight
Hale: Choosing a co-founder is more intense than marriage
“Getting a co-founder is like getting married to someone, and it's probably like even way more intense, and then you, and you don't have usually sex to relieve the tension, or fix a bunch of things, or smooth things over.”
Kevin Hale Jul 3, 2019 ▶ 50:34 Updates for Startup School 2019 and Office Hours with Kevin Hale · Y Combinator
Jan 24, 2020
Insight
Seibel: Resolve co-founder strategy conflicts with time-bound empirical tests
“Ask him, okay, what's the test that would prove that the direction we're going in right now is a good one, and what is the time period that we can all agree with to go after that, and then bam, we're running an experiment now. If we don't make it, we'll switch…”
Michael Seibel Jan 24, 2020 ▶ 44:08 YC SUS: Michael Seibel and Eric Migicovsky discuss How to Launch an MVP · Y Combinator
Jan 5, 2022 neutral
Insight
Seibel: Co-Founders in Many YC Teams Lack Equal Passion for the Problem
“I would argue that in a lot of the teams that we fund, two, three, four founders, They're not all equally passionate about the problem, right?”
Michael Seibel Jan 5, 2022 ▶ 8:26 Should You Follow Your Passion? – Dalton Caldwell and Michael Seibel · Y Combinator
Jul 22, 2022 neutral
Assertion Not checkable as stated
Caldwell: Founders asking for co-founder advice mostly want YC validation
“A lot of people want to ask us advice about co-founder stuff, but what they want to, what they want is us to agree that they were right and their co-founder's wrong.”
Dalton Caldwell Jul 22, 2022 ▶ 15:19 Most Important Lifestyle Habits Of Successful Founders · Y Combinator
Jul 22, 2022 neutral
Insight
Seibel: Co-founder conflict usually stems from frustration styles, not the debate
“I actually see that most Problems between co-founders, the root cause isn't whatever went wrong, or whatever they're debating. It's actually their style of dealing with their frustration.”
Michael Seibel Jul 22, 2022 ▶ 13:50 Most Important Lifestyle Habits Of Successful Founders · Y Combinator
Nov 1, 2022 positive
Insight
Taggar: Finding startup ideas and co-founders should not be separate tasks
“I'd start by encouraging you to not think of finding ideas and co-founders as two separate tasks. It's hard to think up good ideas yourself. Also, your ideas will start out being vague and fuzzy, more like a hunch or an impulse than a clearly formed idea, and …”
Harj Taggar Nov 1, 2022 ▶ 11:19 Should You Start A Startup? | Startup School · Y Combinator
Feb 23, 2023
Insight
Seibel: Pushing to resolve conflict immediately can worsen problems with avoidant partners
“I love to engage and like lean in and talk through conflict, but it's just as likely the person that I'm working with wants to avoid conflict or wants to take time to process conflict or doesn't process conflict through conversation. And like, I have to look a…”
Michael Seibel Feb 23, 2023 ▶ 14:53 The Hard Conversations Founders Don't Want to Have · Y Combinator
Feb 23, 2023 positive
Disclosure
Seibel: YC prefers co-founders with preexisting relationships to prevent blowups
“This is why we like teams who known each other for at least a little bit and have some kind of work or personal relationship. Because I always say that like, when you have some kind of non, you know, if you have some kind of base relationship that you might wa…”
Michael Seibel Feb 23, 2023 ▶ 12:11 The Hard Conversations Founders Don't Want to Have · Y Combinator
Feb 23, 2023
Insight
Caldwell: Healthy co-founder conflict is a learned skill of releasing pressure safely
“You have to learn how to fight and maybe fights the wrong word, how to disagree. It's like You have to learn how to pull your punches and have a disagreement that's a real disagreement and actually release the pressure of the disagreement in a way that doesn't…”
Dalton Caldwell Feb 23, 2023 ▶ 13:14 The Hard Conversations Founders Don't Want to Have · Y Combinator
Sep 27, 2024 positive
Insight
Taggar: Founders should schedule monthly 1:1s to defuse relationship tension
“And so my tactical advice on this would be set up regular one-on-ones with your co-founder, and that may sound a little formal, but something I did with my startups is I would just put time on the calendar at the end of every month where we would just go for a…”
Harj Taggar Sep 27, 2024 ▶ 19:10 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024
Insight
Taggar: Tech startups require at least one technical, programming co-founder
“In particular, if you're building a software or technology company, there really should be at least one co-founder who's technical and can program.”
Harj Taggar Sep 27, 2024 ▶ 7:40 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024 positive
Insight
Taggar: 90% of prospective founders should prioritize finding a co-founder over starting solo
“I think again, in 90% of the cases, you should really spend all of your efforts on trying to find a great co-founder to start a company with.”
Harj Taggar Sep 27, 2024 ▶ 3:03 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024 positive
Insight
Taggar: Unavailable co-founder candidates should be asked for introductions to their top choices
“Here's one tactic I also give people, which is once you made the ask, if that person really says that they're not available, is ask them who would they pick to be their co-founder if they were starting a company, and ask for an introduction to that person.”
Harj Taggar Sep 27, 2024 ▶ 10:27 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024 positive
Insight
Taggar: Solo founders cannot achieve the work quality and output needed to succeed
“And you really can't do that alone. Like you need someone else there who at a basic level can just get more work done with you, right? Two people is more working hours per day than one, but also having a good co-founder improves the quality of your work. So if…”
Harj Taggar Sep 27, 2024 ▶ 0:45 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024 negative
Insight
Taggar: Assuming contacts are unavailable is the top blocker to finding co-founders
“The number one blocker I see to why people Say they're having a hard time finding a co-founder is that they already assume that everybody they know is not available.”
Harj Taggar Sep 27, 2024 ▶ 9:45 How To Find A Co-Founder | Startup School · Y Combinator
Sep 27, 2024 positive
Insight
Taggar: Co-founders should default to an equal equity split
“You will have to decide on what the equity split will be, and my default advice here would be you should split the equity equally between yourselves, and the reason is if this startup is successful, you will end up working on it for the next 10 years or more, …”
Harj Taggar Sep 27, 2024 ▶ 14:12 How To Find A Co-Founder | Startup School · Y Combinator
Jul 8, 2025 positive
Insight
Jared Friedman: The biggest bottleneck for corporate employees is co-founder timing
“And in my experience for people who are your age, who have like already graduated college or working at some company, that's the biggest limiting factor in practice for them actually doing a company is like they and their co-founder both need to be willing to …”
Jared Friedman Jul 8, 2025 ▶ 33:59 How to Spend Your 20s in the AI Era · Y Combinator
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