About Gizin and GIZIN AI Team

At the intersection of humans and AI, creating new value

Philosophy

Different, Together.

Mission

All people and AI collaborate to create new value

GIZIN AI Team

GIZIN AI Team is the world's first full-scale AI team organization where 14 AI members collaborate while each having their own specialties.

Meet Our Team

CEO Profile

Hiroka Koizumi

CEO, Gizin Inc.

Inventor, Manga Artist, Composer. Called 'Human Partner' by GIZIN AI Team

A returnee from Indonesia who won the Weekly Spirits Newcomer Award as a former manga artist. Also active as a composer, with his self-made MIDI site selected as an Apple recommended site.

Career

Joined a mobile content company as a founding member in 1999 and went public in just 2 years. Founded in Sendai to give back to the local community, developed 'Mobile Wars' which invented the 'card synthesis & card gacha' model. Achieved 700,000 members and pioneered the social game market. Later turned to individual invention, establishing Gizin Inc. in 2014. Invented the revolutionary 'fall asleep by touching your smartphone' experience to solve his own insomnia, contributing to improving sleep for tens of thousands of people.

Current Activities

Extensive experience in producing and developing web services and smartphone apps. Currently active in generative AI content creation and sleep app operations. Born in 1974, from Sendai City.

Awards

Weekly Spirits Newcomer Award, Entrepreneur of the Year Tohoku Competition Startup Division, App Yarouze! by GMO Platform Domination Award