Extreme Foundership
Substacknewsletter · by Jean Lafleur · English
The operating system for founder-level impact and leadership at any stage of your career.
- Audience
- Not shown publicly
- We show a dash rather than guess
- Publishing
- No recent posts
- Observed from indexed posts
- Last post
- Feb 3, 2026
- Feb 3, 2026
- Likely audience
- Senior executives
- Inferred from post content
Extreme Foundership is a Substack newsletter by Jean Lafleur covering Leadership development, Team dynamics and Management psychology. Its most recent indexed post is from Feb 3, 2026.
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