Case Studies

Detailed accounts of how I've driven growth across edtech, telecom, and fintech — from building measurement infrastructure in emerging markets to managing $16M in enterprise media spend. Each case study follows the PSERL framework: Problem → Strategy → Execution → Results → Learnings.

Subscription Growth

3x conversion improvement · 55K+ paid subscribers

Building a Growth Engine From Zero in the World's Most Price-Sensitive Market

How a 4-person team and $420K annual budget scaled a subscription edtech app from early-stage to 55K+ active paid subscribers — with measurement sophistication that most $5M operations never develop.

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Performance Marketing at Scale

$16M annual budget · 21-person team · 6 countries

Multi-Market Performance Marketing at Enterprise Scale

Managing large-scale paid acquisition for telecom and fintech giants across South & Southeast Asia — $16M annually, 2,000+ campaigns per month, and a team built from scratch.

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Measurement & Intelligence

3.2x iROAS · 22% organic cannibalization exposed

Proving True Marketing Impact With Incrementality Testing

How we stopped trusting platform-reported numbers and built causal measurement — geo-lift studies, a media mix model, and incrementality-calibrated attribution — in a market where no one else had done it.

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Growth Framework

2x conversion from parent-initiated flows

The Dual-Audience Growth Challenge

When your users and customers are different people, every marketing decision is twice as complex. How I built separate acquisition funnels for students (users) and parents (payers).

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Lessons Learned

22% of "conversions" weren't real

The Channel We Thought Was Working

A channel we believed drove 25% of installs was actually contributing less than 8% incrementally. The story of wasted spend, the test that revealed the truth, and how it changed everything.

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