Motivation and ambition
Explore why this problem matters, what kind of company each person wants, acceptable outcomes, time horizon, and personal definition of success.
Co-founder evaluation guide
Ask the questions that reveal how you will work together
A professional conversation framework for moving beyond credentials and evaluating the realities of a long-term founder partnership.
Updated
Build the right context
Treat co-founder interviews as mutual due diligence
The purpose is not to persuade someone to join as quickly as possible. Both people need enough information to decide whether the problem, venture, responsibilities, risk, and relationship deserve a serious commitment.
Do not conduct one marathon interview. Spread the topics across several conversations, verify important claims, observe behaviour in a trial project, and leave room for the candidate to investigate you with the same care.
Work and decisions
Compare pace, quality standards, communication, documentation, ownership, feedback preferences, and the process for resolving difficult disagreement.
Money and risk
Discuss runway, salary needs, family obligations, personal investment, fundraising appetite, dilution, risk tolerance, and conditions for going full time.
Search focus
Topics to put in writing
- Why this problem and why now?
- What evidence would change your mind?
- Which decisions do you need to own?
- What does full-time commitment require?
Team coverage
Questions to resolve together
- How do you handle direct feedback?
- What financial runway do you have?
- What would make you leave?
- How should we resolve a deadlock?
A repeatable framework
Move from conversation to evidence
Use evidence from shared work to make the partnership decision. Profiles and interviews begin the process; they should not replace it.
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01
Begin with individual histories
Discuss previous successes, failures, conflicts, commitments, and moments when each person changed their mind. Ask for concrete examples.
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02
Compare future expectations
Write down roles, time, location, financing, culture, growth ambition, ownership, and exit expectations independently, then compare.
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03
Complete reference checks
With permission, speak to former colleagues or collaborators about reliability, communication, leadership, conflict, and behaviour under pressure.
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04
Run a realistic trial
Choose meaningful customer, product, or distribution work and review both the venture result and the partnership dynamics.
Due diligence
Use this founder conversation checklist
Write down important answers and revisit them after a trial project. The purpose is to identify assumptions, not to force agreement where meaningful differences exist.
Try the co-founder compatibility test- Why this problem and why now?
- What evidence would change your mind?
- Which decisions do you need to own?
- What does full-time commitment require?
- How do you handle direct feedback?
- What financial runway do you have?
- What would make you leave?
- How should we resolve a deadlock?
Before the formal agreement
Write a one-page founder operating agreement
This is not a substitute for legal documents. It is a practical record of how you intend to work while the relationship is still being tested and the company structure is being prepared.
Decision domains
Name the decisions each founder can make independently, decisions requiring consultation, and decisions requiring unanimous approval.
Working cadence
Agree on weekly hours, core meetings, written updates, customer contact, location, response expectations, and how absences are communicated.
Money and expenses
Record current contributions, expense approval, salary expectations, financial runway, fundraising appetite, and when commitments will be reviewed.
Conflict and escalation
Define how disagreement is documented, when an external adviser is involved, and which behaviours are unacceptable even under pressure.
Confidentiality and work
Clarify confidential information, pre-existing work, ownership of trial outputs, third-party obligations, and records that must be maintained.
Pause or departure
Discuss what happens if commitment changes, a trial is stopped, someone accepts another role, or the founders decide not to continue.
After you decide to continue
The first 90 days as a founding team
Move from relationship testing to company evidence without losing the habits that made the trial useful. Keep responsibilities explicit and review the partnership alongside customer and product progress.
- Days 1-30
Align the foundation
Define the customer, riskiest assumptions, founder domains, meeting cadence, cash position, legal work, and one measurable milestone.
- Days 31-60
Create market evidence
Run customer, product, technical, or distribution experiments. Track decisions and distinguish strong behaviour from encouraging opinions.
- Days 61-90
Review the company and team
Assess evidence, pace, quality, finances, ownership balance, unresolved conflict, and whether the next quarter deserves greater commitment.
Common questions
Make the next decision with more context
How many times should I meet a potential co-founder?
There is no magic number. Use enough conversations and shared work to cover material topics, verify important information, experience some disagreement, and understand how each person follows through.
What are major co-founder red flags?
Watch for inconsistent commitments, evasiveness about money or history, exaggerated claims, unwillingness to provide references, contempt for former colleagues, pressure to decide quickly, and repeated failure to complete agreed work.
Should I ask about personal finances?
Discuss the practical financial runway and obligations that affect commitment while respecting privacy. Both founders need an honest view of salary needs, timing, and risk capacity.
Is a trial project necessary?
It is strongly useful because it reveals communication, judgment, pace, accountability, and conflict in a way interviews cannot. Agree on scope, confidentiality, ownership, and duration before beginning.
Start with a clear founder profile
Meet people who can evaluate the opportunity with you.
Share your strengths, startup context, and the ownership gap you want a co-founder to fill.
Create your profile