rinna
rinna is a Japanese AI developer that took over Microsoft's Rinna chatbot business in 2020. It later published Japanese language, image-generation and image-text models.
Company & leadership
- Founding leadership
- Zhan “Cliff” Chen was the representative director named at launch. The announcement does not provide a complete founder roster.
- Last verified chief executive
- Joohoun Song was identified as CEO in a July 2024 post by company executive Alex Lagata. This review could not confirm current tenure.
- Published office
- WeWork Shibuya Scramble Square, Shibuya, Tokyo, Japan. The location is documented in the company launch and an executive interview.
- Ownership information
- The 2020 announcement describes separation from Microsoft. Current shareholders and control were not verified.