He studied civil engineering at the University of Tokyo and have worked for Taisei Corporation since 2001. He has experienced the career in the construction sites, the civil engineering design department and the nuclear facilities division. His current position is a senior research engineer in the research institute, focusing on 3D printing method of cement-based materials and its labor-saving construction. He has a doctorate degree from the University of Tokyo and a professional engineer qualification, Japan.

Mr. Miyahara studied material science at the Tokyo Institute of Technology and have worked for Taisei Corporation since 2001. He has spent most of my career at Technology Center, and been developing new concrete and construction techniques. Since 2010, he has been developing low carbon concrete that uses minimum or no cement, which emits large amounts of CO₂ during its production.