Mustafa Cengiz

15+ years leading growth at Turkey's top brands. Systematizing growth strategies and democratizing data-driven decision making for businesses of all sizes.


2025 — Present

Founder & Growth Strategist

MCAI Labs

Building a platform that makes enterprise-grade growth systems accessible to businesses of all sizes. Developing AI-powered MarTech tools to democratize growth intelligence.

  • Growth OS
  • 2 more products coming soon...
2022 — 2025

Growth & Digital Marketing Director

Boyner Group

Led the digital transformation of Boyner.com.tr and BoynerNow with a 16-person cross-functional team across SEO, Performance Marketing, Analytics, Influencer Marketing, Growth Marketing, Awareness, Full Funnel, and Omni-Channel strategies.

  • NowGo-To-Market
  • Morhipo Migration
  • Website Redesign
  • Marketplace Integration
  • Category Structure
  • +40% Unpaid Traffic
  • +55% Non-brand Organic
  • +21% Paid ECR
  • +50% MAU
  • +72% App Downloads
2020 — 2022

Growth & Performance Marketing Assoc. Director

Turkcell

Played a key role in establishing the digital growth organization. Modernized data analytics infrastructure and championed test-and-learn culture across teams.

  • PasajBlog Platform
  • GA4 + BigQuery Migration
  • 188+ A/B Tests/Year
  • +9.8% Lead Generation
  • 2x eCommerce Transactions
  • 13% Conversion Uplift
2019 — 2020

Growth Lead

iyzico

Bridged product and marketing teams to optimize merchant acquisition and onboarding processes. Delivered growth audits to 3,000+ e-commerce merchants.

  • Onboarding Flow Redesign
  • Google CoMa Initiative
  • 2,000+ Merchant Training
  • 1.51x Gross Profit
  • 1.52x Revenue/Merchant
  • UK Search Awards Finalist
2016 — 2018

Digital Marketing Team Lead

Hepsiburada

Developed data-driven models and predictive strategies for large-scale e-commerce operations. Built custom bidding algorithms with data science team.

  • Custom Bidding Algorithm
  • Budget Forecasting
  • A/B Testing Program
  • +104% ROAS (Record)
  • 50M+ TL Single Day Revenue
2015 — 2016

Performance Marketing Executive

adXclusive

Managed $8M+ media spend for Garanti Bank across Google Ads, Facebook, and Display networks.

  • Mobile App Marketing
  • YouTube Lead Generation
  • Account Rebuild
  • +13% Leads
  • -29% CPI
  • 2x App Downloads
  • 1 Global Case Study
2010 — 2015

Early Career

Mindshare, UM, Buzz Digital, İtü Sözlük

Built foundations in media planning and performance marketing for Turkey's leading brands including Unilever, Coca-Cola, Nike, and Absolut.

  • MIXX Awards Silver (Magnum Pink)
  • MIXX Awards Bronze (Magnum Black)

IAB Connect — Keynote (Marketing AI)
IAB Turkey Digital Summit — AI in Performance Marketing
Google Shopping Fest — Media Planning & AI
Google x iyzico CO-MA 2019 — Lead Instructor
TikTok Shopping Season 2023 — Panelist
Adjust Ignite Istanbul 2024 — Panelist

Koç University

MBA (Executive) — 2020-2021

Istanbul University

Bachelor of Economics — 2009-2014

Let's work together

1:1 Consulting

Strategic guidance on growth strategy, data analytics, and performance marketing.

  • Growth Strategy & Architecture
  • Performance Marketing Optimization
  • Data Analytics & Attribution
  • MarTech Stack Design
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Education

Empowering teams with AI-powered marketing skills and data-driven decision making.

  • AI-Powered Marketing Workshop
  • Digital Marketing
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