Gyuhwan Choi
Chicago,USA
Summary
Data Scientist with 5+ years of experience in transforming complex datasets into actionable insights. Proficient in Python, SQL, and R for comprehensive statistical analysis. Demonstrated ability to leverage data analytics in strategic projects to drive operational efficiency.
Overview
4
4
years of professional experience
Work History
Data Analyst
Clouty
08.2024 - Current
- Developed and maintained a data ingestion pipeline integrating raw streaming data, RIAA data, Billboard data, and metadata
- Designed scripts for processing high-volume data and collaborated with engineering teams to ensure stability and performance
- The pipeline enabled real-time analysis, providing accurate insights into music trends for strategic decision-making at Clouty
- Created weekly data-driven reports for decision-makers on music derivative market trends, enabling strategic actions such as prioritizing top-performing genres and optimizing product offerings, increasing efficiency by 15%
- Collaborated with marketing teams to deliver audience segmentation analyses used in strategic content planning and campaigns, leading to a 20% increase in audience engagement
Team Lead
LIKELION US
05.2024 - Current
- Recruited and managed a diverse team, fostering a collaborative and motivating environment, and overseeing coding education in web/app development, data science, and machine learning
- Directed the planning, execution, and delivery of tech projects and hackathons, ensuring timely completion and quality standards
- Led promotional efforts that resulted in a 23% increase in participation compared to the previous year
- Organized conferences and networking events, connecting team members with industry leaders and professionals, particularly from Silicon Valley
National AI Researcher
Hallym University
01.2024 - Current
- Contributed to advancing the AI strategy for a national project aimed at improving digital therapeutics for firefighters with trauma and sleep disorders, applying advanced data analytics to enhance healthcare models focused on sleep health
- Designed and implemented a system for analyzing sleep patterns, utilizing biosignal data from a custom-designed sleeping eye mask, which led to more accurate diagnoses and treatments of sleep disorders
- Created personalized AI-driven VR content for therapeutic purposes, employing data analytics to tailor recovery scenarios to individual firefighter experiences, advancing the field of digital therapeutics
Data Analyst
Withus Computer
07.2020 - 06.2022
- Analyzed sales and profit trends for products and regions using advanced statistical methods
- Provided key insights for CEO-led strategic product lineup optimization
- Developed an AI-powered website chatbot focused on efficiently addressing queries, guiding users, and offering troubleshooting and recommendations, resulting in a 30% increase in customer interactions within the 1st 3 months since launch
Education
AI Bootcamp - Deep Learning, NLP, and LLMs; hands-on projects in cloud deployment
Hanghae99
12.2024
Master of Information Technology and Management - Data Analytics and Machine Learning
Illinois Institute of Technology
Chicago, IL12.2024
Bachelor of Information Technology and Management - Computer Science
Illinois Institute of Technology
Chicago, IL07.2023
Exchange semesters - Computer Science
Korea University
06.2020
Skills
- Programming: Python, R, SQL, JAVA, JavaScript, TypeScript, Mojo, C, C, Scala
- Python Libraries: NumPy, pandas, scikit-learn, Matplotlib, Selenium, Keras, PyTorch, Beautiful Soup, spaCy, Gradio, Streamlit, OpenCV
- Data Visualization: Tableau, Power BI, Matplotlib, Seaborn, ggplot2
- Big Data & Distributed Systems: Spark, Hadoop, Apache Kafka, AWS (EC2, S3), Microsoft Azure, Microsoft Fabric, Apache Airflow
- Database Management: Oracle, MySQL, DuckDB, PostgreSQL, MariaDB
- Web Development Stack: HTML, CSS, React, NodeJS, WebAssembly, Express
- Technologies & Tools: Git, Bash, Docker, Excel, PowerPoint, Batch File, Notion, Packer, Terraform
Personal Information
Title: Data Scientist
Timeline
Data Analyst
Clouty
08.2024 - Current
Team Lead
LIKELION US
05.2024 - Current
National AI Researcher
Hallym University
01.2024 - Current
Data Analyst
Withus Computer
07.2020 - 06.2022
Master of Information Technology and Management - Data Analytics and Machine Learning
Illinois Institute of Technology
Bachelor of Information Technology and Management - Computer Science
Illinois Institute of Technology
Exchange semesters - Computer Science
Korea University
AI Bootcamp - Deep Learning, NLP, and LLMs; hands-on projects in cloud deployment
Hanghae99
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