Born in Yamagata, Japan.
Haga graduated from the Department of Architecture and Design, Faculty of Engineering, Yamagata University. He later withdrew from the Graduate School of Tokyo Metropolitan University. With an interest in tectonic perspectives in architecture, he studied in a laboratory specializing in building construction studies.
He joined TAKT PROJECT in 2025.
AWARD
2007 GOOD DESIGN NEW HOPE AWARD 2023 – Honorable Mention