About us - Advancing humanity through the power of knowledge

Our purpose is to empower knowledgeable individuals and promote their social contributions.

Blue Office was established to provide various services centered around BookNotion, a reading record app developed by founder Kosaka.

In addition to reading-related services, we provide services to enhance the education and productivity of business elite.

As of March 2025

Company Information -
Blue Office Inc.Blue Office Inc.

Sho Kosaka

Founder / CEO

Founder / CEO

Graduated from Kyoto University Faculty of Science and completed Graduate School of Science.

Completed Ross School of Business at the University of Michigan (MBA, Beta Gamma Sigma member for academic excellence).

Worked as a data scientist at Nomura Research Institute, consulting for various industries.

Led Metro Engine, an IT startup, for 6 years as COO and Chief Data Scientist.

Developer of BookNotion, a reading record app that automatically saves Kindle highlights to Notion.

Founded Blue Office Inc. in March 2025.

For me, one of my guiding principles was "to create something that someone I respect would say from the bottom of their heart, This is amazing!"

For inquiries about our services, please use the contact page of each service.