
Grit She Sold Her Startup for $500 Million, Here’s Her Next Idea
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Nov 24, 2025 Brynn Putnam, founder and CEO of Board, previously created the connected fitness brand Mirror, which she sold to Lululemon. In this discussion, Brynn shares insights on her transition from ballet dancer to fitness entrepreneur and the personal motivations behind her ventures. She unveils Board, an innovative face-to-face game console designed to reconnect families. Brynn also delves into challenges like integrating with large corporations and her vision for creating a seamless gaming experience that caters to all ages.
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Selling Mirror Just Before COVID
- Mirror launched in September 2018 and sold to Lululemon in early 2020, a little under two years after launch.
- The sale happened days before COVID lockdowns dramatically increased at-home demand for fitness tech.
Prototype The Experience First
- Brynn prototyped Mirror as an animated explainer behind one-way glass to show experience before building functionally.
- That early brand-first demo helped secure seed funding and guided her product priorities.
Timeline Misalignment Is The Core Hardware Risk
- The hardest operational problem was aligning hardware, software, and content timelines because each moves at different speeds.
- Misaligned timelines create the core execution risk for integrated physical products.
