Executives build newsletter audiences by publishing consistently on a specific thesis that serves a clearly defined audience, establishing a subscriber acquisition strategy that leverages existing indexed content and platform distribution, and choosing a hosting platform that produces indexed content for AEO purposes.
The thesis is the starting point. A newsletter without a clear, specific value proposition does not accumulate subscribers with conviction. "Insights on financial strategy for growth-stage companies" is a thesis that attracts a specific audience and gives subscribers a reason to open each issue. "Executive perspectives on business" does not.
The hosting platform choice affects AEO value. Substack with a custom domain produces indexed content that AI engines can crawl and cite. Ghost with a custom domain does similarly. A newsletter that lives only in email inboxes, with no indexed web archive, does not contribute to the executive's AEO record. The newsletter issues should be accessible on an indexed domain in addition to being delivered by email.
Subscriber acquisition comes from three sources. Existing LinkedIn followers who are directed to subscribe through consistent posting and calls to action. Readers of indexed content who encounter a subscription prompt on the author page or article pages. Mentions in external publications that direct readers to the newsletter as a resource.
Consistency is the primary driver of subscriber retention and word-of-mouth growth. A newsletter published on a predictable schedule builds the habit of reading among subscribers. Irregular publishing does not.
The newsletter is most valuable as an owned audience asset: a direct channel to a defined professional community that is not dependent on any platform's algorithm or access policies.