review.firstround.com · 2025-10-14 · 232d

Building Resilient Co-Founder Relationships: A Framework for Startup Partnership Success

Executive coach Rachel Lockett presents a practical framework for maintaining strong co-founder relationships throughout a startup's growth journey. She identifies three critical areas of alignment—vision and strategy, individual founder growth, and relationship health—and offers five rituals to prevent common breakdown patterns that lead to the 65% of startups that fail due to co-founder splits.

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Metrics in this report

Startup Failure Rate Due to Co-Founder Breakup

65%

all startups