About this site

The Lifecycle Brief is an independent publication by Brian Heying focused on lifecycle marketing, retention systems, experimentation, GTM infrastructure, and AI-enabled operational workflows.

The goal is simple: surface high-signal ideas, operational patterns, and emerging shifts that matter to modern growth and lifecycle operators.

Topics include:

• lifecycle marketing and retention strategy
• experimentation and measurement
• customer data infrastructure
• marketing operations and orchestration
• AI workflows and operator tooling
• GTM systems thinking

Most issues are built through a combination of retrieval systems, editorial synthesis, and operator analysis.

New issues are published weekly on Wednesdays.