Thanks for reaching out. Be sure to check us out on LinkedIn for all of our current news and announcements.
Oops! Something went wrong while submitting the form.
As of 2026, Highline Beta argues that running pre-mortems on new venture ideas helps teams surface hidden risks and build stronger foundations by systematically asking "why might this fail?" before committing significant capital and resources.
Pre-mortems create structured opportunities for teams to voice doubts and identify potential failure points before launching new ventures. Most early-stage ideas don't fail dramatically but quietly erode through compounding small risks that no one named out loud, making pre-mortems essential for converting fuzzy anxiety into concrete, testable risk backlogs. Highline Beta treats pre-mortems as practical working sessions that help teams be honest about uncertainty, prioritize what to test next, and align around real risks rather than blindly pursuing opportunities.
Teams should ask five key questions: What could stop users from adopting this? Where might our data be misleading us? What assumptions are we overconfident about? What internal blockers could derail execution? What would make leadership or investors lose faith? These questions help surface the uncomfortable truths that don't typically appear in pitch decks or roadmap presentations.
Pre-mortems flip the traditional post-mortem approach by imagining failure has already occurred and asking why it happened, rather than waiting for actual failure to analyze what went wrong. This proactive approach allows teams to pressure-test ideas and spot cracks before building on top of them, creating stronger foundations for market launch.
A good pre-mortem should end with a focused threat list and an action plan that might include designing experiments to test weak assumptions, revisiting the business model, slowing down to gather more evidence, or sometimes walking away before wasting time and money. The goal is to convert identified risks into concrete next steps rather than leaving them as abstract concerns.
Pre-mortems are especially powerful in early-stage contexts because they give everyone permission to voice doubts in environments where optimism and compelling narratives can lead to prematurely falling in love with solutions. They help teams avoid the common trap of compounding small, unnamed risks that quietly erode venture success over time.
It’s easy to get excited about a new venture concept.
The problem seems real. The team is energized. Early feedback is positive.
But before we get too far ahead, you need to ask one critical question:
“Why might this fail?”
Try running a pre-mortems as a core part of our early validation process.
Not to slow things down—but to spot the cracks before we build on top of them.
It’s the opposite of a post-mortem. It’s poking holes in your ideas so that when you’re actually bringing them to market, they’ve been pressure tested. This means they can launch from a stronger, more informed foundation.
Pre-mortems are especially powerful because they give everyone permission to voice any doubts they’re holding back. In a context where optimism and narrative can lead to prematurely falling in love with a solution, pre-mortems create a structured space for uncomfortable truths before capital and reputation are fully committed.
In early-stage ventures, this matters because most ideas don’t fail for one dramatic reason; they quietly erode through compounding small risks no one named out loud. A good pre-mortem turns all of that fuzzy anxiety into a concrete risk backlog that can be prioritized, tested, and, in some cases, deliberately accepted.
Instead of asking what went wrong after something fails, you imagine it already has—and ask why.
Bring the full team together and ask:
It’s fast. It’s blunt. And it works.
Pre-mortems surface the risks no one wants to talk about. The ones that don’t show up in pitch decks or roadmap slides. They ask what’s underneath the compelling, shiny solution that might cause it to fail.
They help teams:
We treat pre-mortems as a working session, not a ritual. It’s a practical tool for reducing risk and building stronger ventures. It also brings together a variety of unique perspectives to ask questions that may not be immediately obvious.
A good pre-mortem ends with a focused threat list, and a plan to act on it. That might mean:
It’s not always comfortable. But it’s always worth it.
We don’t run pre-mortems because we expect failure.
We run them because we’re building ventures that need to survive contact with reality.
So before you double down on what looks promising, ask: “If this fails, what will we wish we’d seen sooner?”
Then go validate that. Fast.
Missed last week's edition of Beyond the Core? Read it here.
