Hiroyuki Asai

Chairman at COMSYS HOLDINGS CORPORATION

68 year

Non-Energy Minerals

Industrial Services

Profile

Hiroyuki Asai currently works at COMSYS Holdings Corp., as Chairman from 2026 and Sumitomo Metal Mining Co. Ltd., as Director & Head-Legal Affairs from 2019.

Hiroyuki Asai active positions

Companies	Position	Start
SUMITOMO METAL MINING CO., LTD.	Director/Board Member	2016-06-27
COMSYS HOLDINGS CORPORATION	Chairman	2026-06-25

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Linked companies

Private companies	2
Sumitomo Metal Mining Co. Ltd. Sumitomo Metal Mining Co. Ltd. Other Metals/MineralsNon-Energy Minerals Explores, mines and refines and markets nonferrous metals and processes metals such as gold, silver, copper, nickel, lead and zinc	Non-Energy Minerals
COMSYS Holdings Corp. COMSYS Holdings Corp. Engineering & ConstructionIndustrial Services Provides construction and engineering services	Industrial Services

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Hiroyuki Asai