Wui Lung (Andy) Choi

WUI LUNG CHOI (ANDY) Sunnyvale, CA 94086 | +1 - | - | https://www.linkedin.com/in/andycwl/ Professional Summary: Data-driven professional with 3 years of experience in operations data analysis, abnormal data detection, and risk mitigation within consumer tech platforms. Proven ability in delivering actionable insights through SQL and data modeling. EDUCATION ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ NORTHEASTERN UNIVERSITY Boston, MA Master of Analytics, 4.0 GPA, Concentration: Applied Machine Intelligence Jun 2024 ● Relevant Coursework: Predictive Analytics, Data Mining Applications, Data Base Management Systems, SQL, Python ● Honor: Northeastern University Lux. Veritas. Virtus. Society of Distinction — 2024 Inductees UNIVERSITY OF CALIFORNIA, BERKELEY, HAAS SCHOOL OF BUSINESS Berkeley, CA Bachelor of Science in Business Administration, 3.6 GPA, Concentration: Competitive Strategy and Finance May 2018 ● Relevant Coursework: Financial & Managerial Acct., Financial Analysis, Investment, Macro & Micro Economics PROFESSIONAL EXPERIENCE ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ PROXYBLE LTD, e-commerce platform startup funded by HK Science & Technology Park Kowloon Bay, Hong Kong Chief Operation Officer & Co-founder Jan 2021 – Jun 2022 ● Analyzed sales operations data to refine promotion strategies, predict products demand, and optimize inventory levels ● Conducted 100+ in-person market research in NPS metrics to assess user satisfaction for product management decisions ● Utilized JIRA and Agile methodologies to drive a cross-functional team in product management and app launching LALAMOVE LLC, leading on-demand logistic platform in Asia Kowloon Tong, Hong Kong Business Operations Analyst Apr 2020 – Sep 2020 ● Identified fraudulent driver behaviors and irregular activities by analyzing customer support tickets with SQL and Tableau, leading to streamlined ticket escalation procedures for customer support team and reduced fraudulent incidents ● Defined success metrics and KPIs of marketing campaigns for 20+ cities by conducting analysis via SQL and Tableau ● Improved customer engagement and conversion rates by 25% through A/B testing analysis of marketing campaigns RICEPO LLC, leading Asian food delivery platform in US (acquired by Weee! in 2021) San Jose, CA Business Operations Analyst Jan 2019 – Jan 2020 ● Automated ETL workflows to Tableau and analytics models, generating KPI reports for executive strategy decisions ● Built data models in Python to forecast order demand, and optimize driver pay and delivery time through shift planning ● Monitored data dashboard for abnormal findings weekly and identified promo code abuse fraud and scammer drivers PROJECTS ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ YELP DATA ANALYSIS PROJECT [SQL, Python] San Jose, CA Individual Project Mar 2024 – Apr 2024 ● Performed data cleaning and EDA on diverse Yelp datasets with Python, ensuring data integrity for accurate insights ● Conducted sentiment analysis using NLP on 6.9M restaurant reviews and built a regression model to predict ratings ● Identified influential keywords that would influence customer satisfaction and help restaurants improve their business AIRBNB LISTING PRICE PREDICTION MODEL DEPLOYMENT [Python, Google Cloud Run] San Jose, CA Class Project – Applications of Artificial Intelligence Sep 2023 – Dec 2023 ● Developed and deployed a regression model on Google Cloud Run to predict Airbnb listing prices with 37 features ● Conducted data cleaning and pre-processed features with one-hot encoding and scaling for accurate predictions ● Achieved a fully functional deployment with 78% accuracy, integrated via a Docker-based microservice using Flask BOSTON CRIME ANALYSIS WITH DATA VISUALIZATION DASHBOARD [Python, Tableau] San Jose, CA Class Project – Communication and Visualization for Data Analytics Jul 2023 – Aug 2023 • Analyzed Boston crime data to provide insights into crime types, timing, and locations for evaluating livability ● Crafted intuitive dashboards featuring bar charts, heat maps, and trend lines based on Gestalt principles using Tableau ● Offered relocation recommendations through customizable filters while highlighting high-crime areas and peak times SKILLS ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ ● Proficient Skills – Data: SQL, Python, R, Tableau, Predictive Modeling, Hypothesis Testing, ETL Pipelining, AWS ● Proficient Skills – Business: Capital Budgeting, Financial Analysis, DCF, Root-Cause Analysis, Excel, Agile PM, PowerPoint ● Languages: Native in English, Mandarin, and Cantonese, Elementary in Japanese