The co-founder handbook
Reference chapters on the questions people ask before they co-found something: what the words actually mean, how to find the right person, and what a matching process can and cannot tell you.
- 01
Co-founder vs founder: what actually separates them
A founder is whoever started the company. A co-founder is someone who joined while it was still being started, and who took ownership and risk rather than a salary. The distinction is about timing, equity and exposure, not about who is more senior or whose name is on the incorporation.
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How to find a co-founder
You find a co-founder by being specific rather than broad. Describe the actual work and the actual terms, look where people who want that work already are, test the fit on something small and real before committing, and write the equity and vesting down before either of you has invested months. Broad networking produces conversations; specificity produces co-founders.
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Co-founder matching: what it scores and where it breaks
Co-founder matching is a structured way of pairing a person with a venture on three things: the skills the seat needs, the hours the person can genuinely give, and the stage the venture is at. It works because it makes those three explicit early. It fails when a match is scored on skill alone, because partnerships break on available time and mismatched expectations far more often than on capability.
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