Hansung K.
Senior Data Analyst
Experience
Jan 2024 - Oct 2024
10 monthsKorea, Republic of
Senior Data Analyst
Artefact
- Built a churn-prevention model by developing a customer-service chatbot that analyzed historical interaction logs and offered personalized retention packages addressing key complaints.
- Designed multi-turn conversational flows for the chatbot, integrating error recovery and state dependency handling to simulate realistic user–assistant interactions.
- Applied Generative AI and prompt engineering to produce actionable marketing insights and automated campaign reporting.
- Delivered C-level insights by linking chatbot outputs and BigQuery–Power BI pipelines with brand KPIs (CTR, engagement, retention).
Jan 2022 - Oct 2023
1 year 10 monthsMalaysia
Digital Data Analyst
Accenture
- Conducted data labeling, annotation QA, and content evaluation for large-scale AI model training projects.
- Reviewed labeled data for accuracy, consistency, and compliance with linguistic and contextual guidelines.
- Supported multiple data verticals — text, image, and social content — across English and Korean datasets.
Feb 2020 - Feb 2021
1 year 1 monthMalaysia
Digital Data Analyst
Teleperformance
- Worked on search relevance and AI moderation projects supporting global tech clients.
- Evaluated AI search result quality and applied structured feedback to improve model output relevance.
- Documented recurring annotation inconsistencies and proposed rule clarifications to labeling teams.
Languages
Korean
NativeEnglish
AdvancedEducation
Mar 2011 - Sep 2015
Kyung Hee University
Korea, Republic of
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