周大 廣田

Evaluated and ranked outputs from large language models (LLMs) across 50+ weekly tasks, providing structured feedback to improve AI response accuracy and relevance Designed and annotated training data across varied prompt categories, establishing labeling guidelines that improved model consistency on reasoning and data interpretation tasks

AI Data Annalist at Dataannotation (2025-03 – Present)

• Evaluated and ranked outputs from large language models (LLMs) across 50+ weekly tasks, providing structured feedback to improve AI response accuracy and relevance
• Designed and annotated training data across varied prompt categories, establishing labeling guidelines that improved model consistency on reasoning and data interpretation tasks

English/Japanese language teacher at DMM Eikaiwa (2024-03 – 2025-09)

• Developed tailored lesson plans aligned with individual student goals, incorporating real-world conversation practice, grammar instruction, and cultural context to accelerate language acquisition
• Personalized one-on-one English and Japanese language lessons to students of varying proficiency levels via online platform, consistently earning a 5-star rating for lesson quality and communication

Bachelor of Arts in Liberal Arts, Emphasis in Global Business / Finance – Akita International University (AIU) (2028-03)

B.S. in Business Administration; Finance and Economic Statistics – University of Colorado Boulder (2025-08 – 2026-05)