Lenny's Newsletter

Overthinking every thing. Mostly in charts.

Marketing advice for SaaS founders and marketers from Emily Kramer & Kathleen Estreich, former marketing leaders at Asana, Box, Intercom, Carta, & Scalyr.

Economics and other interesting stuff

Playbooks for bottom-up SaaS and the craft of company-building.

I am a serial entrepreneur obsessed with technology and startups.

Big Tech and high-growth startups, from the inside. Highly relevant for software engineers and managers, useful for those working in tech.

A popular weekly newsletter covering topics and trends in large-scale system design, from the authors of the best-selling System Design Interview series. Trusted by 200,000+ readers.

Nuanced, chapter-by-chapter book summaries you can trust.