Human experience,
into AI characters.

We use AI to carry the knowledge and experience people have built —
creating a way for it to be passed on, across borders.

Try aikoo

Backed by

Product

aikoo

aikoo turns real human expertise into AI characters you can talk to. From lifestyle advice and professional consulting to entertainment — each character is built on genuine knowledge and experience, delivering personalized conversations that actually help.

AI characters across lifestyle, wellness, consulting & more
Natural, personalized conversations

Visit aikoo.me

Team

Who we are

Ryu Ishihara

Co-Founder & CEO

Hiroaki Shuto

Co-Founder & CTO

Company

Company Information

Company	COSA, Inc.
Founded	2025
Headquarters	178 Bluxome St., San Francisco, CA 94107, USA
CEO	Ryu Ishihara
Japan Office	COSA LLC 1-10-8 Dogenzaka, Shibuya-ku, Tokyo, Japan
Legal Counsel	TMI Silicon Valley LLP
Contact	info@co-sa.co

Contact

Get in touch

For business inquiries, partnerships, or press — reach out anytime.

Email info@co-sa.co