Being knowledgeable does not automatically make someone easy to understand. Communicating evidence, choosing a useful topic and explaining the limits of a claim are part of the work. So are the commercial decisions about channels, education and the relationship between a public profile and a service.

The episodes below examine those choices through guests’ experiences. Listen for how each person connects expertise with the people they want to reach, and for the trade-offs involved in turning attention into a business. Audience growth alone is not proof of scientific authority or the quality of a health claim.

Questions to explore.

Curated by Oskar Moore, host of The Business of Longevity. Explore each episode for its source material, guest background and full conversation.