Cofounder Mode: My tactical guide to finding a cofounder
A tactical guide providing actionable advice on the process and strategies for identifying, evaluating, and securing a co-founder for a startup.
More resources on Finding Co-Founders
A Guide to Co-Founder Fit
An article from FundersClub focusing on evaluating co-founders and assessing compatibility and suitability, crucial for securing a strong founding team.
The First Deal: The Division of Founder Equity in New Ventures
Hellmann and Wasserman model founder equity division as costly bargaining and test it on 1,476 founders across 511 ventures. About one third split equally, and quick equal splits predict lower valuations at first financing. The only rigorous empirical treatment of the equity-split question rather than opinion.
The Founder's Dilemmas: Anticipating and Avoiding the Pitfalls That Can Sink a Startup
Wasserman analyzes roughly 10,000 founders and 3,600 startups to map early decisions about co-founders, roles, rewards, and control. Documents why friend-based teams show higher turnover and why fast equal equity splits track with worse financing outcomes.
How to Split Equity Among Co-Founders
Michael Seibel argues for equal or near-equal founder equity, working through the standard justifications for uneven splits — idea origination, prior work, timing — and treating four-year vesting with a one-year cliff as the real protective mechanism.
Y Combinator Co-Founder Matching
Free matching platform where founders publish a profile covering skills, location, and idea stage, then receive candidate recommendations and request introductions. Reports over 100,000 matches, with the deepest pools in San Francisco, New York, and London.
The Founder Dating Playbook
Gloria Lin documents the five-stage process she ran across six candidate partners over a year: sourcing, exploratory chats, a two-week joint prototype, a fifty-question alignment questionnaire discussed over several sessions, and an explicit commit-or-part decision.