The Nathan Barry Show How I Helped Grow Diary of a CEO to 14M Subscribers | 120
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Mar 19, 2026 Grace Miller, Head of Failure and Experimentation at Flight Story, leads YouTube growth, localization and shorts strategies. She recounts scaling a channel from 100k to 14M subscribers. Short, punchy takes cover experiments that failed, dubbing and localization tests, using chapters and posts, multi-channel tactics, and how a culture that celebrates learning fuels rapid growth.
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Align Experiments To Clear KPI Hypotheses
- Design experiments that align to company KPIs and clearly define hypothesis, metrics, and runtime before starting.
- Treat small, rapid tests as valid knowledge experiments that either directly grow KPIs or teach transferable lessons.
Prioritize Returning Viewers Over Viral Volume
- Track new vs returning vs casual viewers; boosting returning viewers is more valuable for long-term growth than chasing raw viral views.
- Grace flags returning viewers as a key metric because they indicate sustained interest and potential conversion.
Use Themed Series And Playlists To Drive Return Views
- Create themed series or playlists to encourage returning viewers and to let the algorithm recommend multiple related videos.
- Grace used a January health month and descriptive playlist names like 'How To Build Wealth' to boost sequential viewing.