A licensed architect and interior designer with a B.Arch. from Yokohama National University, Hisayama has been with Klein Dytham architecture since 1996. His deep understanding of the KDa approach complements his broad experience in all phases of the design process and extensive knowledge of materials and construction. He brings a strong artistic sensibility to his position as the most senior member of KDa. He has been directly or indirectly involved in nearly all of our projects including DAIKANYAMA T-SITE, SHONAN T-SITE, GINZA PLACE and RISONARE Yatsugatake. A Part-time lecturer at Kanto Gakuin University and Kuwasawa Design School.