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I am a data-driven performance marketer specializing in paid social campaign management, structured A/B experimentation and marketing analytics. I build measurement infrastructure, including GA4 funnel analysis and Meta Ads attribution, translating complex data into actionable commercial decisions. I am known for going beyond execution: questioning platform defaults, investigating what the data is really saying, and turning insight into measurable impact. I focus on turning data into strategy and delivering measurable improvements for brands through rigorous experimentation and intelligent allocation of paid media budgets.…I am a data-driven performance marketer specializing in paid social campaign management, structured A/B experimentation and marketing analytics. I build measurement infrastructure, including GA4 funnel analysis and Meta Ads attribution, translating complex data into actionable commercial decisions. I am known for going beyond execution: questioning platform defaults, investigating what the data is really saying, and turning insight into measurable impact. I focus on turning data into strategy and delivering measurable improvements for brands through rigorous experimentation and intelligent allocation of paid media budgets.

Nathan Chang

Marketing Analyst, Growth Marketer, Performance Marketer, +2

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I am a data-driven performance marketer specializing in paid social campaign management, structured A/B experimentation and marketing analytics. I build measurement infrastructure, including GA4 funnel analysis and Meta Ads attribution, translating complex data into actionable commercial decisions. I am known for going beyond execution: questioning platform defaults, investigating what the data is really saying, and turning insight into measurable impact. I focus on turning data into strategy and delivering measurable improvements for brands through rigorous experimentation and intelligent allocation of paid media budgets.…I am a data-driven performance marketer specializing in paid social campaign management, structured A/B experimentation and marketing analytics. I build measurement infrastructure, including GA4 funnel analysis and Meta Ads attribution, translating complex data into actionable commercial decisions. I am known for going beyond execution: questioning platform defaults, investigating what the data is really saying, and turning insight into measurable impact. I focus on turning data into strategy and delivering measurable improvements for brands through rigorous experimentation and intelligent allocation of paid media budgets.

Available to hire

I am a data-driven performance marketer specializing in paid social campaign management, structured A/B experimentation and marketing analytics. I build measurement infrastructure, including GA4 funnel analysis and Meta Ads attribution, translating complex data into actionable commercial decisions. I am known for going beyond execution: questioning platform defaults, investigating what the data is really saying, and turning insight into measurable impact.

I focus on turning data into strategy and delivering measurable improvements for brands through rigorous experimentation and intelligent allocation of paid media budgets.

Skills

GA4

SQL

Data Visualization

Experience Level

GA4

Expert

SQL

Expert

Data Visualization

Intermediate

Language

English

Fluent

Work Experience

Marketing Associate at Prospect Sporting Insights

December 5, 2015 - January 6, 2016

Designed and executed audience and creative A/B tests on Meta Ads, using historical ROAS and CPC data to size experiment budgets and determine test durations before scaling winners into live campaigns. Built multi-purpose Excel dashboards using PivotTables and XLOOKUP across budget management, experiment planning, and performance analysis to support rolling reallocation decisions.

Growth Marketing Executive at Fashion SPLY Sneaker Shop

February 1, 2022 - December 1, 2023

Implemented GA4 with UTM tracking across the website and Meta Ads campaigns, enabling accurate attribution of ad spend to on-site revenue and informing budget allocation. Used GA4 funnel analysis to identify checkout drop-off and recommended a self-pickup option, contributing to improved on-site conversion rate. Compared 7-day and 1-day click attribution windows to evaluate true conversion contribution and avoid overstating platform-reported ROAS. Designed and executed structured A/B tests across Meta Ads creatives and audience segments.

Account Executive at PARTIPOST TAIPEI LLC.

February 1, 2023 - April 1, 2023

Managed end-to-end delivery of a multi-channel campaign for Panasonic across influencers, YouTube and paid social, coordinating between creative, media and brand teams to ensure on-time delivery against agreed KPIs. Recommended a 25/75 YouTube/paid social budget split based on funnel analysis, prioritising paid social for conversion while using YouTube for upper-funnel awareness. Built performance reports using Excel to justify optimisation recommendations to clients, backing decisions with data and evidence.