B2C Growth &
Performance Marketing Leader

8 years across performance and growth marketing, with the last 5 dedicated to B2C mobile apps in APAC. Currently building Shikho's growth engine. Previously ran $16M paid portfolios at ADA Global across 4 APAC markets.

Shah Mahmud, B2C Growth and Performance Marketing Leader
ADA Global Shikho Robi Axiata Nagad Airtel
Worked at Forbes Asia 100 to Watch (Shikho) 2x DRUM Awards Gold and Silver BBF Awards

$16M

Peak Annual Budget

ADA, 2022 peak

$3M

Revenue Driven

Shikho, 2025-26

4

APAC Markets

BD, SL, NP, SG

50+

Experiments Documented

Shikho, 24 months

Featured Work

Browse all work →

Engine, Built from Zero

$3M revenue · 7X paid return · 24 months · 0 to 3 systems

Building the Growth Engine from Zero at Shikho

Joined Shikho April 2024 with strong product-market fit and zero growth infrastructure: no MMP, no shared definition of active, no funnel instrumentation. Built measurement, lifecycle, and experimentation systems from scratch over 24 months. All three are now operational. $420K of annual paid spend now drives $3M of annual revenue, sustained for 24 months without a regression quarter.

Read Case Study
Performance Marketing at Scale

$16M annual budget · 21-person team · 4 APAC markets

Multi-Market Performance Marketing at Enterprise Scale

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

Read Case Study
Cross-Functional Retention

262 live responses · 5 teams · 17K monthly false-churn exposed · 3 fixes in pipeline

A Live Cross-Functional Improvement Loop: Monthly Churn Feedback to Product Pipeline

A monthly recurring system at Shikho. Paid retargeting captures live feedback from users who just left. Cross-functional review with 5 teams converts each signal into named product, ops, brand, CX, and growth actions. First full cycle in March 2026: 262 coded responses, 10 action items, 3 product fixes now in active pipeline, 21% false-exit discovery exposing 17K monthly over-count.

Read Case Study
Right Message, Right Experience

+10% install-to-reg over 3 months · 11 deeplinks shipped · 0.08% IVR killed

Activating Users with Right Message and Right Experience via Deeplink

Install-to-registration rate at Shikho was flat. The first fix attempt (IVR call recovery) failed at 0.08%. The real bottleneck was the gap between what the ad promised and where the user landed after install. We shipped 11 in-app deeplinks, paired each paid campaign with feature-specific creative, and used deferred deeplinks so post-install users land on the promised page, not the home screen. Install-to-reg lifted 10+% over the first 3 months.

Read Case Study
"Precision is a synonym that goes well with Shahriar. While 10 eyes missed a significant detail, only his 1 eye could catch that. The way he pushes his team for perfection: it's remarkable."

Durdana Nur B., Former Colleague, ADA Global

Let's explore working together.