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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 StoryPhil G.

How Phil G. scaled from $80K to a $1M+/month run rate with StefanBrain

Phil G. uses StefanBrain as his creative-strategy home base, scaling from $80K in January to a $1M+/month run rate while keeping overhead under 5%.

Revenue growth

12.5x

Hooks

15

Overhead

Under 5%

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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.
Customer StoryJames Klein

How James Klein turns a multi-day creative brief around in under two hours with StefanBrain

James Klein uses StefanBrain to turn multi-day creative briefs into shippable statics, advertorials, and listicles in hours.

Advertorials

100+

Statics

70

Live page

42 sec

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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.
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.