# Lenny's Newsletter

> Deeply researched product, growth, and career advice for product leaders, founders, and ambitious builders.

- **Platform:** substack
- **Category:** Business
- **Subscribers:** 1.2M
- **Paid subscribers:** 45K
- **Last updated:** 2026-10-14
- **Author:** Lenny Rachitsky
- **URL:** https://www.lennysnewsletter.com
- **Profile:** https://newsletterinsights.io/newsletter/lenny

## Recent Posts

- [Turning around an underperforming team - Issue 17](https://www.lennysnewsletter.com/p/this-week-17-turning-around-an-underperforming)
- [This Week #15: When should a SaaS startup raise money 💰](https://www.lennysnewsletter.com/p/this-week-15-when-to-raise-money)
- [Why your AI product needs a different development lifecycle](https://www.lennysnewsletter.com/p/why-your-ai-product-needs-a-different)
- [Productivity in the time of Corona 🦠 - Issue 18](https://www.lennysnewsletter.com/p/this-week-19-productivity-in-the)
- [The Subscription Value Loop: A framework for growing consumer subscription businesses](https://www.lennysnewsletter.com/p/the-subscription-value-loop-a-framework)
- [The Best of Lenny’s Newsletter 2023](https://www.lennysnewsletter.com/p/the-best-of-lennys-newsletter-2023)
- [How To Know If You're Supply or Demand Constrained 🤹‍♂️ - Phase 2 of Kickstarting and Scaling a Marketplace Business](https://www.lennysnewsletter.com/p/how-to-know-if-youre-supply-or-demand)
- [What They'd Do Differently 🔮 Kickstarting and Scaling a Marketplace Business](https://www.lennysnewsletter.com/p/what-theyd-do-differently-kickstarting)
- [Build your personal AI copilot](https://www.lennysnewsletter.com/p/build-your-personal-ai-copilot)
- [Positioning](https://www.lennysnewsletter.com/p/positioning)

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