Kwangsik Suh

AI Tutor / Data Annotation Specialist

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Busan, Korea, Republic of

Experience

Jul 2025 - Present
7 months

AI Tutor / Data Annotation Specialist

Volga Partners

  • Delivered advanced AI tutoring and guidance, supporting model reasoning and alignment tasks.
  • Contributed to AI’s advanced data annotation project, focusing on Reinforcement Learning from Human Feedback (RLHF).
  • Performed detailed annotations and evaluations to improve AI safety, user alignment, and instruction-following capabilities.
  • Developed structured feedback loops for fine-tuning large language models in collaboration with researchers and project managers.
Jan 2025 - Jun 2025
6 months

Data Annotator

iMerit

  • Performed quality control and labeling tasks for AI conversational system data.
  • Identified and classified personal information by sensitivity levels.
  • Assessed risk levels of text data and assigned appropriate ratings.
  • Ensured consistent labeling aligned with annotation guidelines.
Jan 2025 - Mar 2025
3 months

AI Adversarial Tester / Prompt Writer

TaskUs

  • Designed adversarial prompts to uncover weaknesses, safety risks, and edge cases in LLM behavior.
  • Wrote clear, testable, and structured instructions to evaluate AI systems’ performance.
  • Collaborated with remote teams to review outputs and escalate flagged issues.
  • Generated diverse prompt types across multiple domains (ethical dilemmas, policy, humor, reasoning).
Sep 2023 - Oct 2024
1 year 2 months

AI Data Trainer

Outlier

  • Created high-quality training data for software engineering tasks in Korean.
  • Evaluated AI responses and tested for accuracy and bias.
Nov 2019 - Dec 2022
3 years 2 months

Senior AI Research Scientist

PharmCADD

  • Led deep learning projects for protein structure prediction and de novo drug design.
  • Applied CNN models, active learning, and RNA structure prediction techniques.

Annotation Analyst (Web Search Evaluator)

Appen

  • Verified business and map data accuracy for AI training.
  • Supported self-driving car projects with high-quality labeled data.

Linguistic Specialist & Annotation Analyst

Lionbridge

  • Conducted software localization, SEO copywriting, NLP linguistic testing, and training data generation for major ML projects.

AI Prompt Engineer

Welocalize & Lionbridge

  • Designed, localized, adapted, and validated AI prompts for multiple applications and languages.
  • Ensured content safety, cultural relevance, and alignment with project guidelines.

Summary

AI and Machine Learning Specialist with over 10 years of expertise in prompt engineering, adversarial testing, and red-teaming for AI safety and alignment. Demonstrated success in designing high-quality, culturally adapted training data and optimizing AI model performance for global NLP projects. Proficient in Reinforcement Learning from Human Feedback (RLHF), advanced data annotation, and model evaluation, enhancing instruction-following, alignment, and safety of large language models. Adept at collaborating with cross-functional teams to deliver impactful solutions that strengthen AI reliability, user trust, and global applicability.

Skills

  • Ai & Machine Learning: Prompt Engineering, Adversarial Testing, Red-teaming, Llm Evaluation, Ai Safety
  • Technical Skills: Python, Pytorch, Tensorflow, Sql, Data Modeling, Active Learning, Seo, Localization
  • Soft Skills: Cross-functional Collaboration, Structured Feedback Development, Cultural Adaptation

Languages

Korean
Native
English
Advanced

Education

Pukyong National University

LL.B., Law · Law · Busan, Korea, Republic of

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