Yoshio S.

AI Trainer / Evaluator

Ikeda, Japan

Experience

Nov 2011 - Mar 2014
2 years 5 months
Osaka, Japan
On-site

Associate at English Education Section

Withus Corporation

  • Created sales, business, and training materials, including presentations, manuals, and PR documents.
  • Handled client communication and support, ensuring smooth business operations.
  • Recruited and trained teachers, including support for new hires.
  • Worked as an English teacher for children, both face-to-face and via online platforms.
  • Collaborated with American instructors in joint online teaching sessions.
  • Developed English learning materials for elementary students (drafting, editing, proofreading).
  • Contributed to the launch of an online English learning platform, from concept to implementation.
Jun 2011 - Present
14 years 5 months
Remote

AI Trainer / Evaluator

TELUS Digital (formerly Lionbridge Technologies, Inc.)

  • Conducted content evaluation of generative AI outputs across text, websites, video, images, and audio.
  • Performed image annotation and data labeling to enhance AI training datasets.
  • Delivered English-to-Japanese translations for AI model fine-tuning and localization.
  • Ensured accuracy, cultural nuance, and quality standards in AI outputs.
Apr 2007 - Nov 2011
4 years 8 months
Japan

Associate at General Affairs and Human Resources Section

The Society for Testing English Proficiency (EIKEN) Inc.

  • Handled a wide range of administrative tasks, ensuring smooth day-to-day operations and supporting organizational efficiency.
  • Coordinated and facilitated new graduate recruitment, including candidate sourcing, interview scheduling, and onboarding support.
  • Built and maintained strong customer and staff relationships, acting as a key point of contact to resolve issues and foster engagement.
  • Provided executive secretarial support, including calendar management, correspondence handling, and meeting preparation.

Summary

  • AI & Data: Generative AI evaluation, RLHF, content quality review, image annotation
  • Translation & Localization: English → Japanese translation, cultural adaptation
  • Documentation: Business presentations, training manuals, sales & marketing materials
  • Education: English teaching (children), curriculum design, online education platforms
  • Soft Skills: Client relations, cross-cultural collaboration, recruitment, project support

Languages

Japanese
Native
English
Advanced

Education

Apr 2003 - Mar 2007

Outemon Gakuin University

B.A. · Psychology · Osaka, Japan

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