HAN ZAW HTET
BI & Data Analyst
Bangkok
Summary
Personable and analytical with deep interest in data management and interpretation. Proficient in data manipulation and visualization, with solid foundation in SQL and Python. Focused on leveraging skills to drive data-driven decision-making and insights.
Overview
3
3
years of professional experience
4
4
Certifications
Work History
AI Data Specialist
RWS Group
01.2026 - Current
- Supported AI model development by accurately labeling, annotating, and validating large datasets to improve model performance and reliability.
- Ensured high-quality data processing through meticulous attention to detail, consistency checks, and adherence to project guidelines.
- Delivered high-quality data labeling for text, image, and structured datasets, ensuring accuracy and adherence to project specifications.
- Improved dataset quality by identifying errors, inconsistencies, and edge cases, contributing measurable gains in model precision and recall.
- Collaborated on annotation guidelines and contributed insights to refine classification rules, enhancing training efficiency and dataset usability.
- Utilized AI tools and labeling platforms to complete tasks efficiently, demonstrating strong technical capability and a strategic approach to improving model outputs.
F&B Trainee
Ramada Menam Riverside Hotel
10.2025 - Current
- Provided high-quality guest service in a fast-paced food and beverage environment by supporting daily operations, table service, and customer interactions.
- Gained hands-on experience in hospitality standards, teamwork, and maintaining a clean and organized dining area.
- Assisted guests with seating, menu guidance, and order service while maintaining a welcoming and professional atmosphere.
- Prepared and organized tables, glassware, and cutlery to meet hygiene, safety, and presentation standards.
- Supported the service team during peak hours by delivering food, clearing tables, and ensuring smooth service flow.
- Collaborated with staff to handle guest requests, resolve minor issues, and enhance overall customer satisfaction and service experience.
Founder & Freelancer
Visualholic Insight
06.2025 - Current
- Supported business intelligence operations by managing, validating, and maintaining structured datasets across multiple reporting systems.
- Assisted in generating insights through accurate data preparation, cleaning, and organization to ensure high-quality analytics outputs.
- Entered, updated, and maintained accurate data in company databases and spreadsheets to support ongoing BI reporting and analytics activities.
- Identified and corrected data discrepancies through quality checks, improving overall data integrity and minimizing reporting errors.
- Assisted in the creation of operational and analytical reports by organizing datasets, preparing visualizations, and supporting data analysis processes.
- Troubleshot data-related issues and collaborated with cross-functional teams to ensure smooth data workflows and timely issue resolution.
- Developed strong partnerships with other businesses to allow for collaboration and more significant opportunities for growth.
- Established a successful business by identifying market needs and developing innovative solutions.
Junior BI Analyst
Yoma Fleet
08.2023 - 10.2025
- Supported business intelligence operations by managing, validating, and maintaining structured datasets across multiple reporting systems.
- Assisted in generating insights through accurate data preparation, cleaning, and organization to ensure high-quality analytics outputs.
- Entered, updated, and maintained accurate data in company databases and spreadsheets to support ongoing BI reporting and analytics activities.
- Identified and corrected data discrepancies through quality checks, improving overall data integrity and minimizing reporting errors.
- Assisted in the creation of operational and analytical reports by organizing datasets, preparing visualizations, and supporting data analysis processes.
- Troubleshot data-related issues and collaborated with cross-functional teams to ensure smooth data workflows and timely issue resolution.
Internship
Yoma Fleet
11.2022 - 02.2023
- Supported business intelligence operations by managing, validating, and maintaining structured datasets across multiple reporting systems.
- Assisted in generating insights through accurate data preparation, cleaning, and organization to ensure high-quality analytics outputs.
- Entered, updated, and maintained accurate data in company databases and spreadsheets to support ongoing BI reporting and analytics activities.
- Identified and corrected data discrepancies through quality checks, improving overall data integrity and minimizing reporting errors.
- Assisted in the creation of operational and analytical reports by organizing datasets, preparing visualizations, and supporting data analysis processes.
- Troubleshot data-related issues and collaborated with cross-functional teams to ensure smooth data workflows and timely issue resolution.
Education
Credential - Business Administration
University of The People
United State12-2027
Skills
Data analysis and visualization
AI-driven analytics
Data modeling with Microsoft Fabric
Independent project management
Power BI dashboard design and implementation
Data preprocessing for machine learning
Data validation expertise
Quality assurance analysis
Additional Information
I was awarded First Runner-Up in a local Power BI competition and regularly engage in Power BI challenge activities on LinkedIn to enhance my business intelligence skills and practical experience.
Certification
Business Analytics with Excel: Elementary to Advanced, JOHNS HOPKINS UNIVERSITY
Timeline
AI Data Specialist
RWS Group
01.2026 - Current
F&B Trainee
Ramada Menam Riverside Hotel
10.2025 - Current
Founder & Freelancer
Visualholic Insight
06.2025 - Current
Junior BI Analyst
Yoma Fleet
08.2023 - 10.2025
Internship
Yoma Fleet
11.2022 - 02.2023
Credential - Business Administration
University of The People