A former chef who has directly experienced customer reactions and real-world business challenges, now leveraging data to solve problems.
Aspiring to be an actionable data analyst with a strong business sense.
Email : sano035@gmail.com
Linkedin : GangHoon Choi | LinkedIn
Github : sano035-design (Ganghoon Choi)
| SUMMARY
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Passionate about documentation and continuously archiving learned knowledge through tech blogging.
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Constantly seeking ways to improve operational efficiency beyond traditional methods.
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Highly enthusiastic about learning new skills and proactively applying them to real-world scenarios.
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Strongly task-oriented with a high level of independence and ownership in managing end-to-end tasks.
| SKILL
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SQL
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Proficient in standard SQL syntax, subqueries, and window functions.
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Capable of writing SQL queries for analytical frameworks, including RFM, cohort, and funnel analyses.
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Python
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Experienced in data cleaning and visualization using core Python functions and analytical libraries.
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Proficient in data merging and restructuring into pivot tables.
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Power Query & DAX
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Skilled in loading, transforming, and cleaning data, as well as generating custom calculated columns.
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Able to write and implement required DAX measures.
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Data Visualization
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Proficient in building interactive dashboards using Power BI and Tableau.
| PROJECT
| Blog
| CERTIFICATIONS
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Datarian SQL Data Analysis Bootcamp | Introductory & Advanced (Cohort 55, In Progress)
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Developing advanced SQL skills tailored for business analytics frameworks such as RFM and cohort analysis.
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DataCamp Online Platform | SQL Fundamentals & Intermediate (2026)
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Acquired competencies in SQL data transformation functions, filtering techniques, conditional formatting, and business KPI analysis.
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Codeit Online Platform | Python Data Analysis for Everyone (Cohort 37) (2025)
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Applied core Python libraries including NumPy, Matplotlib, Pandas, and Seaborn for data manipulation and visualization.
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Gained foundational statistical knowledge essential for data analysis, including outliers, variance, standard deviation, and graph interpretation.
| EDUCATION
Queenstown Resort College (QRC), New Zealand | Data Analytics Fundamentals (2026)
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Core concepts of data analytics, data transformation, and cleaning using Python and Power Query.
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Entity-Relationship Diagrams (ERD) and fundamental data modeling principles.
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Hands-on experience in building interactive dashboards using Power BI and Tableau.
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Collaborative project work involving data collection, group discussions, domain communication, and final presentations.
| WORK EXPERIENCES
SkyCity Queenstown, New Zealand | Chef (2018.06 ~ 2026.04)
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Collaborated with management on monthly revenue analysis and strategic initiatives to boost sales, including menu optimization and cost-reduction strategies.
Ulsan Nam-gu District Office, South Korea | Civil Servant / Architectural Engineering (2006.07 ~ 2019.02)
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Digitized and managed legacy manual documents into the centralized architectural administrative database system.
| LANGUAGE
English
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Professional working proficiency: Capable of primary research, formal document drafting, and business communication.
