Due Diligence

25 Questions to Ask Founders Before Investing

The essential questions every investor should ask to evaluate founding team dynamics and predict startup success.

February 8, 2026
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Beyond the Pitch Deck

Every investor asks about market size, traction, and financials. Fewer probe the team dynamics that actually predict startup success or failure.

These 25 questions are designed to surface the hidden risks in founding team dynamics.

Relationship & History

1. "How did you meet, and what made you decide to start this together?"

Listen for: Depth of relationship, shared history, clear reasoning

2. "Have you worked together before? What was that experience like?"

Listen for: Prior collaboration, ability to assess each other honestly

3. "What do you genuinely admire about each other?"

Listen for: Authentic respect, specific examples, balanced appreciation

4. "Tell me about a significant disagreement you've had. How did you resolve it?"

Listen for: Honest acknowledgment of conflict, mature resolution process

5. "If one of you had to leave tomorrow, what would happen?"

Listen for: Clear succession thinking, documented agreements, emotional maturity

Roles & Responsibilities

6. "Walk me through how you divide responsibilities day-to-day."

Listen for: Clear delineation, complementary skills, minimal overlap

7. "How do you make major decisions?"

Listen for: Defined process, ability to break ties, examples of it working

8. "Who has final say on product? On hiring? On strategy?"

Listen for: Clear authority, acceptance from all founders, logical reasoning

9. "What happens when you disagree on a critical decision?"

Listen for: Established framework, past examples, comfort with conflict

10. "Are any of you still working on other projects or jobs?"

Listen for: Full commitment, clear timelines, honest acknowledgment

Equity & Compensation

11. "Walk me through your equity split. How did you arrive at those numbers?"

Listen for: Documented agreement, thoughtful rationale, comfort discussing

12. "What are your vesting terms?"

Listen for: Standard 4-year/1-year cliff, proper documentation

13. "If a co-founder leaves after 2 years, what happens to their equity?"

Listen for: Clear terms, good leaver/bad leaver provisions

14. "Are all founders taking the same salary? If not, why?"

Listen for: Fair reasoning, documented decisions, alignment

15. "Have you had any disagreements about equity or compensation?"

Listen for: Honest acknowledgment, resolution process, current satisfaction

Vision & Goals

16. "What does this company look like in 5 years?"

Listen for: Aligned vision, realistic ambition, consistent answers

17. "What's your ideal exit scenario and timeline?"

Listen for: Alignment between founders, realistic expectations

18. "What would make you want to leave this company?"

Listen for: Honest self-reflection, potential red flags

19. "How do you define success for this venture personally?"

Listen for: Aligned motivations, sustainable expectations

20. "What will you do if this doesn't work out?"

Listen for: Realistic backup thinking, commitment level

Stress & Resilience

21. "What's been your hardest moment as co-founders? How did you handle it?"

Listen for: Authentic vulnerability, mutual support, growth

22. "How do you handle it when things are going badly?"

Listen for: Coping mechanisms, blame patterns, unity under pressure

23. "What do your families/partners think about this venture?"

Listen for: Support systems, sustainable sacrifices

24. "What keeps you up at night about your co-founders?"

Listen for: Honest concerns, addressed vs. festering issues

25. "If I called your co-founder right now, what would they say about working with you?"

Listen for: Self-awareness, authentic assessment

Using These Questions

Don't just check boxes. Listen for:

Consistency: between founders' answers

Emotional tone: when discussing difficult topics

Specific examples: vs. vague generalities

Body language: and non-verbal cues

ETA Scan systematizes this analysis, using AI to identify patterns across 25+ risk factors that predict founding team success or failure.

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