Handbook
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Execution & Delivery
Decision-Making for Startups
Fast, good decisions drive execution. Here's how to make better decisions faster.
Startups live and die by their decisions. Every day brings choices that shape the company’s trajectory. Make decisions slowly, and competitors pass you by. Make decisions poorly, and you waste resources on the wrong things. Learning to make good decisions quickly is one of the most valuable skills a founder can develop.
Why Decision-Making Matters
Speed of Decisions = Speed of Company
Everything waits on decisions:
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Product direction
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Hiring choices
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Resource allocation
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Strategic pivots
Slow decisions create slow companies.
Decision Avoidance Is Expensive
Not deciding has costs:
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Teams wait and lose momentum
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Opportunities pass
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Context switching as people pick up and put down
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Morale drops
Indecision is a decision—usually the worst one.
Decision Quality Matters
Fast but bad decisions hurt:
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Wrong direction
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Wasted resources
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Lost trust
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Harder course correction
You need both speed and quality.
Types of Decisions
One-Way Doors
Irreversible or very hard to reverse:
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Giving up equity
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Key personnel decisions
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Major strategic pivots
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Large financial commitments
Approach: Careful deliberation. Get more input. Take appropriate time.
Two-Way Doors
Reversible. Can change course:
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Most product decisions
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Process changes
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Feature choices
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Many hiring decisions
Approach: Decide fast. Execute. Adjust if wrong.
The Mistake
Treating two-way doors like one-way doors:
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Over-deliberating reversible decisions
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Creating analysis paralysis
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Slow execution on low-stakes choices
Most decisions are two-way doors. Act accordingly.
Decision-Making Frameworks
The 70% Rule
If you have 70% of the information and confidence you’d like, decide.
Why:
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Waiting for 90% takes too long
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Information has diminishing returns
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Conditions change while you wait
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Action generates new information
RAPID Framework
Clarify decision roles:
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Recommend: Proposes the decision
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Agree: Must concur (limited)
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Perform: Executes the decision
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Input: Consulted, provides perspective
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Decide: Makes the final call
Clear roles prevent confusion.
Reversibility Test
Ask: “If this decision is wrong, how hard is it to reverse?”
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Easy to reverse → Decide fast
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Hard to reverse → Invest more time
Regret Minimization
Project forward: “In 10 years, will I regret not doing this?”
Useful for big, scary decisions.
First Principles Thinking
Break down assumptions:
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What do we actually know?
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What are we assuming?
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What would we decide if we started from scratch?
Cut through conventional thinking.
Making Better Decisions
Define the Decision
Be clear about what you’re deciding:
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What specifically?
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What are the options?
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What’s the deadline?
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What’s at stake?
Gather Input (But Not Forever)
Get relevant perspectives:
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People with information
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People affected
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Diverse viewpoints
But set a time limit. Don’t let input-gathering become procrastination.
Consider Options
What are the choices?
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Don’t just consider one option
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At least two alternatives
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What’s the “do nothing” option?
Weigh Trade-offs
Every decision has trade-offs:
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What are we gaining?
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What are we giving up?
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What risks does each option carry?
Commit Fully
Once decided:
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No more debate
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Everyone supports the decision
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Full effort toward execution
Review and Learn
After execution:
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Was this the right decision?
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What would we do differently?
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What can we learn?
Decision-Making Traps
Analysis Paralysis
Wanting more information before deciding.
Signs:
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Multiple rounds of research
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Waiting for the “right” answer
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Deadline extensions
Fix: Set a deadline. Decide with what you have.
Group Decision Drift
No one actually decides.
Signs:
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“We need more discussion”
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No clear owner
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Meetings end without resolution
Fix: Clear decision owner. Deadline. Single point of accountability.
Sunk Cost Fallacy
Continuing because of past investment.
Signs:
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“We’ve already spent so much…”
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Ignoring new information
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Emotional attachment to past choices
Fix: Decide based on future outcomes, not past costs.
Confirmation Bias
Seeking information that supports existing belief.
Signs:
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Dismissing contradictory data
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Only asking people who will agree
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Interpreting ambiguous data in your favor
Fix: Actively seek disconfirming evidence.
Decision Fatigue
Poor decisions late in the day.
Signs:
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Deferring decisions
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Taking the easy option
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Irritability around choices
Fix: Make important decisions early. Reduce trivial decisions.
Team Decision-Making
Who Decides
Not everyone decides everything:
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Clear decision authority
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Delegation to those closest to information
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Escalation when appropriate
Disagree and Commit
When there’s disagreement:
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Voice concerns
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Make the case
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Once decided, commit fully
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No undermining after
Building Decision-Making Capability
Develop the team:
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Give decision authority
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Coach through decisions
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Accept some wrong decisions as learning
You can’t make every decision.
Communicating Decisions
What to Share
When announcing a decision:
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What was decided
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Why (brief rationale)
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What happens next
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Who’s responsible
How to Share
Match communication to impact:
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Major decisions: meeting + written follow-up
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Minor decisions: brief announcement
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Urgent decisions: immediate communication
Handling Disagreement
After a decision:
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Acknowledge different perspectives
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Explain the reasoning
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Ask for commitment (not necessarily agreement)
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Welcome feedback on execution
When You’re Wrong
Recognize It
Signs a decision was wrong:
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Results aren’t appearing
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New information contradicts assumptions
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Team has consistent concerns
Admit It
Don’t double down:
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“We were wrong”
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“New information changes things”
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“We’re adjusting”
Change Course
Adjust quickly:
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Don’t let ego delay correction
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Update the plan
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Learn from the mistake
Don’t Over-Rotate
One wrong decision doesn’t mean:
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Never trust yourself
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Need more consensus
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Slower decisions always
Learn and move forward.
Key Takeaways
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Speed of decisions = speed of company. Indecision is the worst decision
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Most decisions are two-way doors (reversible)—decide fast, adjust if wrong
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One-way doors (irreversible) deserve more deliberation
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The 70% rule: if you have 70% confidence, decide
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Clear decision ownership: someone must have authority to decide
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Disagree and commit: voice concerns, then fully support the decision
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Analysis paralysis is procrastination in disguise—set deadlines
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Sunk costs are irrelevant; decide based on future outcomes
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Communicate decisions: what, why, what’s next, who’s responsible
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When wrong, admit it and change course quickly
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