Data Science Analysis

Vivian Zhao

*************@*****.*** 858-***-**** San Diego, CA LinkedIn

EDUCATION

University of California, San Diego Sep 2021 - Mar 2025 Double Major: B.S. in Data Science, B.S. in Economics GPA: 3.953/4.0

Skills: Deep Learning, LLMs, PyTorch, Tensorflow, NLP, AWS, S3, Machine Learning, Python (pandas, numpy, sklearn), SQL, Tableau, Excel, Java, JavaScript, D3.js, Svelte, HTML, Stata, Matlab Relevant Coursework: Data Analysis and Inference, Representation Learning, Data Mining, Data Management, Data Structure, Systems for Scalable Analytics, ML with Few Labels, Business Analytics, Financial Accounting, Econometrics INTERN EXPERIENCE

Clinical Research Data Insights Intern July - Sep 2024 LinkDoc Technology, Beijing, China

● Designed and executed a nationwide survey targeting 300+ doctors specializing in ROS1-positive cancer treatment, achieving 95% response accuracy.

● Developed a standardized SOP for survey creation, reducing bias and enhancing reliability for future studies.

● Analyzed 10,000+ medical insurance records across hospitals to identify fraudulent claims, ensuring compliance with government policies.

● Presented insights on treatment trends and market gaps, guiding pharmaceutical clients' product strategies. Gender Recognition Lived Name Analyst Mar - July 2024 UCSD Health Information Services, San Diego, CA

● Coordinated with 1000+ health practitioners to ensure accurate and inclusive patient data collection.

● Spearheaded comprehensive data analysis across multiple datasets, leveraging advanced Excel functions to parse and scrutinize data, providing actionable insights for strategic decisions.

● Automated data validation and cleansing, reducing errors by 30% and ensuring policy compliance. Python Tutor / Instructional Assistant for Undergrad Level Coding Class 2024 - March 2025 UCSD HDSI Data Science Department, San Diego, CA

● Applied a strong understanding of Python fundamentals to answer 300+ student questions via the online class forum.

● Developed and graded exams and instructional materials, proctored exams, and beta-tested assignments. Analytics Tool Developer & Jet Engine Data Analyst June - Sep 2023 HanDao Tech (Aviation Engine Industry), Shanghai, China

● Developed a Python-based analytics package tailored for jet engine data, reducing data processing time by 40% through automated workflows incorporating ML regression models, visualizations, and PCA analysis.

● Conducted in-depth analysis of jet engine data, leveraging predictive models to identify anomalies and optimize maintenance schedules, resulting in a 20% decrease in unplanned downtime. PROJECTS (Link to Github: https://github.com/VivianZhao12/) Multimodal Sentiment Analysis with Enhanced Sarcasm Detection (report) Winter 2024

● Designed a sentiment analysis model that integrates audio and text data, with a newly added sarcasm detection module to enhance sentiment classification accuracy.

● Achieved 88% sentiment classification accuracy and enhanced sarcasm detection to 83%. Interactive Visualization Webpage - US COVID Cases Winter 2023

● Utilize d3.js and javascript to create map based interactive visualization https://vivianzhao12.github.io/dsc106-project3/ Power Outage Analysis and Prediction Project (analysis and prediction) Spring 2023

● Conducted exploratory data analysis and hypothesis testing, building predictive models to analyze the impact of fuel supply disruptions on power outage durations, achieving 85% model accuracy.

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