Hiroko M. - Japanese AI Trainer

Soja, Japan

Experience

Feb 2025 - Present

10 months

Conduct Japanese linguistic evaluation and training to enhance AI model accuracy and fluency.
Analyze model errors, provide structured feedback, and support prompt engineering improvements.

Mar 2023 - Sep 2024

1 year 7 months

Japan

Expanded KOL Radar, an AI-powered influencer search platform, in Japan.
Signed 2 new agency partnerships; achieved 225% year-on-year growth in active SaaS accounts.
Conducted market research to localize sales strategies for Japanese clients.

Jul 2021 - Mar 2023

1 year 9 months

Japan

Managed IP collaborations to improve REALITY App and boost sales.
Oversaw planning, budgeting, and coordination with cross-functional teams and IP holders.
Achieved 242% of global target sales through major IP collaboration.

Feb 2016 - Aug 2016

7 months

Japan

Managed marketing for B2B cloud service startup, including SEO, paid media, and social campaigns.

Jan 2014 - Dec 2021

8 years

Japan

Jan 2011 - Dec 2013

3 years

Japan

Developed strategic partnerships with game developers; managed mobile app advertising campaigns.
Achieved 43% of total Advertising Division sales; awarded Monthly MVP twice consecutively.

Jan 2005 - Dec 2011

7 years

Japan

Supported merchants on Rakuten Ichiba, planned sales campaigns, and led key clients to achieve Rakuten Shop of the Year awards.
Consistently met sales targets for 40 consecutive months.

AI Trainer (Freelance): Currently working as a Japanese AI Trainer on multiple projects, including text and speech, contributing to improving AI models’ Japanese language performance through training, testing, and performance optimization.
Business Development & Sales: Led the new business development efforts for an AI-powered marketing tool, driving market expansion and fostering strategic partnerships to accelerate business growth at iKala Japan.
Account Management: Over 6 years, successfully contributed to sales growth, expanded marketing efforts, and developed strong client relationships as an Account Manager at Rakuten and GREE.
Marketing Strategy: Possess extensive experience in digital and offline marketing, social media management, and public relations, contributing to various successful marketing campaigns.
Project Management: Demonstrated expertise in coordinating cross-functional teams and managing projects, ensuring effective collaboration and timely delivery.
Brand Management: Managed well known IP/Brands in Warner Bros. for 6 years, i.e. Harry Potter, Tom & Jerry, DC Comics, The Lego Batman Movie etc.