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Case studies from teams using StefanBrain

See how operators use StefanBrain to validate ideas, compress creative cycles, and turn marketing context into faster execution.

Customer StoryHarvey Carnegie

How Harvey Carnegie is on track for $250M in 2026 with StefanBrain

Harvey Carnegie runs a portfolio of DTC brands that did $75M in revenue last year and is on pace to hit a $250M run rate in 2026.

Revenue growth

3.3x

Ads launched

~100

Testing cycle

Same day

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Abstract StefanBrain case study dashboard with a clear left-side headline panel, validation workflow, creative cards, and an upward results chart.