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At a glance
WHAT IT’S REALLY ABOUT
Founders’ biggest shutdown regrets: delayed decisions, team issues, false obligations
- Michael Seibel and Dalton Caldwell discuss patterns they repeatedly see in shutdown postmortems with founders, focusing on regrets that show up when a startup is ending.
- A frequent regret is delaying hard decisions—like pivots or confronting uncomfortable realities—until runway is low, which reduces options and increases stress.
- They describe another common regret: not fully executing the original idea as an experiment, leaving founders feeling the work was unfinished and the learning incomplete.
- They emphasize that team and people issues, including rushed co-founder choices and unaddressed hiring/management problems, often become the core reasons companies unravel.
- Despite painful endings, they say founders almost never regret doing a startup, and they encourage founders to use shutdown-style reflection earlier while they still have time and agency.
IDEAS WORTH REMEMBERING
5 ideasThe most common regret is not acting on hard truths earlier.
Michael Seibel says founders often recognize necessary changes only in the final months, when they have far less time and flexibility than they did earlier, and Dalton Caldwell frames this as sunk cost fallacy.
Treat the startup like an experiment, and pivot sooner when the hypothesis isn’t working.
Dalton Caldwell stresses that founders can pivot without “losing face,” and Michael Seibel frames startups as hypotheses where being wrong is normal; delaying changes often comes from fear of looking foolish rather than evidence.
Some founders regret not fully testing their idea before time ran out.
Michael Seibel describes a frequent regret where founders don’t feel they truly ran the experiment—never shipping what they believed customers wanted—so the shutdown lacks closure and learning.
People and team decisions are a recurring root cause of failure and regret.
Dalton Caldwell says team problems dominate shutdown postmortems, especially choosing a co-founder too quickly (e.g., a random person met at a meetup or hackathon) and later realizing the relationship was foundationally wrong.
If hiring increases burn but doesn’t increase output, founders regret not undoing it sooner.
Michael Seibel highlights cases where founders hired, raised burn, saw people not delivering, and didn’t correct it; both he and Dalton Caldwell tie this to founders forgetting they have the responsibility and authority to act.
WORDS WORTH SAVING
5 quotesYour startup is a hypothesis, right? And for any good scientist, how often is their hypothesis correct? It's like not that often.
— Michael Seibel
I wish I could go back to a year ago, and, like, there's a set of decisions, there's a set of hard truths that maybe I embraced in the last three months, but that I had strong hints of a year ago.
— Michael Seibel
It's hard when you see someone not realize that they're the main character in their own story, and they feel like things are happening to them and not that they have agency.
— Dalton Caldwell
What I never hear is, "I regret doing a startup."
— Michael Seibel
If you have a year of money left, you have so much agency.
— Dalton Caldwell
SPEAKERS
Dalton Caldwell
hostManaging Director at Y Combinator and startup founder known for advising early-stage companies.
Michael Seibel
hostManaging Director at Y Combinator and entrepreneur (Justin.tv/Socialcam) focused on early-stage startup advice.
High quality AI-generated summary created from speaker-labeled transcript.
