Perimeter DeskPerimeter People / Writer, angel investor and podcast host
Lenny Rachitsky writes Lenny’s Newsletter and hosts Lenny’s Podcast, concentrating on product development, growth and professional progress. His work combines researched advice with interviews of founders and experienced operators. He also invests in startups as an angel investor. Across the newsletter and podcast, he focuses on practical questions facing product leaders, people building companies and others developing their careers.
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Interviews · Lenny Rachitsky
Lenny Rachitsky interviews product leaders, founders and growth practitioners about how companies develop products, attract customers and organize teams, with practical detail for people doing the work.
Best forProduct managers, founders and business readers who want to understand how software companies turn strategy into customer experiences, growth experiments and team decisions.
Researched advice on building products, driving growth, and developing a career, with practical frameworks and contributions from experienced founders, operators, and product leaders.
Sources & further reading
Profile checked September 18, 2026. Editorial notes are Perimeter’s interpretation.