
Hiroyuki
Sumiya
角谷 宏幸
Project Manager
Graduated from Yokohama National University and completed graduate programs at the University of Tokyo and GLOBIS University. Worked in construction management for logistics and industrial facilities at Meihou Facility Works and Mitsubishi Jisho Sekkei. Joined NOT A HOTEL in August 2025. Licensed First-Class Architect, Certified Construction Manager, and Quantity Surveyor.







