Koshiro Nagai is an experienced management consultant and sales manager with a background in international studies and public policy. With a Master's degree from the prestigious Tokyo University, Nagai has worked for a Japanese management consulting firm as well as a Korean cinema-tech company as a regional sales manager, primarily for the Japanese market. As a consultant, he was responsible for developing and executing growth strategies for Japanese companies, while his work as a sales manager involved supporting the opening process of 4DX theaters, writing contracts, and providing solutions based on theatrical drawings.

Nagai's education includes multiple degrees from prominent universities, including Seoul National University and Ohio State University. He has also studied as an exchange student in Beijing.

With a diverse set of professional experiences, including business consulting, research, and volunteer work, Nagai brings a unique perspective to his work. His expertise includes launching new businesses, business due diligence, and marketing strategy development.