Changjin Choi
데이터 분석가 at Assembly Global
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolChangjin Choi is a data analyst based in Seoul with 9 years of professional experience and over 3 years focused on digital marketing analytics at a global agency. He designs and validates attribution models, builds advanced ADH and GA4 queries on BigQuery, and translates complex user-behavior signals into actionable marketing investments. Changjin has developed purchase-prediction and sales time-series pipelines for global clients, and drives dashboard innovation in Google Data Studio and Tableau to surface clear insights for stakeholders. His background in economics (University of Minnesota; KAIST master's) underpins a rigorous approach to causal inference and performance measurement. Comfortable working across SQL-heavy analytics stacks, he combines hands-on modeling with operational QA to ensure trustworthy results. Colleagues value that he balances technical depth with pragmatic storytelling, turning noisy ad-channel data into business-ready recommendations.
9 years of coding experience
학사, Economics, 학사, Economics at University of Minnesota석사, Economics, 석사, Economics at KAIST COLLEGE OF BUSINESS
Github Skills (2)
filesystem1
windbg1
Github contributions (5)
ethobis/mfd
Jun 2017 - Nov 2018
Contributions:17 commits, 37 pushes, 1 branch in 1 year 5 months
ethobis/KernelExploitDriver
Sep 2017 - Sep 2017
Contributions:7 commits, 16 pushes, 1 branch in 16 days
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