Leadership Team


Kazuhiko Umemura
General Manager of GX Business Division
Kazuhiko Umemura joined enechain in November 2025 as General Manager of GX Business Division. Prior to enechain, Umemura served as an Executive Officer at PLAID, where he played a pivotal role in the company's IPO in 2020. He oversaw overall business operations while leading M&A initiatives and group company management. Earlier in his career, Umemura was responsible for platform marketing and new business development at GREE. At Rakuten, he led domestic e-commerce projects before relocating to the US to drive local business expansion and assist Japanese companies with market entry. Umemura began his professional career at ExxonMobil, engaging in sales strategy planning for petroleum and lubricant products. Umemura is a graduate of the University of Massachusetts Business School.
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Ryo Nozawa
Representative Director, Founder and CEO
Hideaki Kato
Divisional Executive officer and Executive Vice President / Representative Director of zillion Corporation
Yuki Yabuuchi
Board Director and CFO
Seita Otsu
Executive Officer / Representative Director of eClear Corporation
Yusuke Suto
Executive Officer and Chief Technology Officer
Tadayoshi Tarui
Executive Officer, CRevO (Chief Revenue Officer) and General Manager of CEO's Office
Tomoya Arai
Executive Officer / Representative Director of eXstend Corporation
Keiya Ohashi
Executive Officer and CPO(Chief Product Officer) / Representative Director of eSquare Corporation
Leem Mangi
Executive Officer and CISO
Miyoko Suzuki
Executive Officer and Head of Power Brokerage Division
Takayuki Hasegawa
Executive Officer and Head of Product Development
Yuki Kawamoto
Divisional Executive officer, COO of eClear
Hiromasa Takaura
VP of HR
Yo Nagami
Board Director
Masako Takahashi
Corporate Auditor

















