How I built a 1M+ subscriber newsletter and top 10 tech podcast | Lenny Rachitsky - Lenny's Podcast: Product | Career | Growth Recap

Podcast: Lenny's Podcast: Product | Career | Growth

Published: 2026-03-12

Guests: Michelle Rial

What Happened

Lenny Rachitsky began his newsletter in 2019, which has since amassed over 1.2 million subscribers. His career journey included roles as a software engineer, product engineer, and product manager at companies like Airbnb. After leaving Airbnb, Lenny considered various paths, including starting a company or consulting, before ultimately choosing to focus on writing. A pivotal conversation with VC Lee Jacobs encouraged Lenny to pursue writing, noting its potential monetizability and the enjoyment people derived from his content.

Lenny's newsletter primarily features guest posts where individuals share vital lessons from their careers. He moved his newsletter to Substack, committing to a weekly schedule for nine months before introducing a paywall, which proved to be a successful strategy. Lenny's decision to continue with the newsletter was influenced by the Lindy effect, which suggests that the longer something has existed, the longer it is likely to continue. His confidence in writing was also bolstered by a psychedelic experience in Joshua Tree, where he felt a sense of wisdom to share.

Michelle Rial, Lenny's wife, joins this episode as a guest and discusses her creative process and new book, 'Charts for Babies.' Her charts, often shared widely on social media, sometimes without proper attribution, stem from a life of observation, meditation, and influences from her father's encouragement in math. 'Charts for Babies' is aimed at children aged two to four and covers early learning concepts through charts, set to release on April 7th.

Lenny previously worked on various projects before his newsletter success, including a website called atheistspot.com and a platform for user-contributed tutorials called Utorials. His startup LocalMind, which was sold to Airbnb, allowed users to ask questions to people checked in at locations worldwide. Lenny's journey reflects a blend of technical expertise and a passion for content creation, demonstrating his adaptability and innovative spirit.

Lenny's podcast often ranks among the top 10 tech podcasts, a testament to the quality and relevance of the content he produces. His creative process involves writing down ideas and visualizing them, influenced by early exposure to math and patterns. Strategic use of coffee, specifically a single shot latte, is part of Lenny's routine to enhance creativity and focus.

Aside from his professional pursuits, Lenny shares personal experiences such as dealing with mesophonia, where certain sounds like chewing are particularly bothersome. He also describes face blindness, a condition that makes it challenging to recognize people. These personal insights add depth to Lenny's character, showing how he navigates both professional and personal challenges.

Key Insights