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Ryo Shima is a global executive with a unique background as an operator and investor, serving in executive roles in the software and private equity industries.  He led multinational teams in Silicon Valley, Tokyo, and London as COO, SVP, and CEO respectively.

Currently, Ryo is the CEO of Global Tech Partners, a boutique management consulting firm, which he founded in 2018.  He is responsible for providing strategic advice to CEOs of global companies, including TSE listed Japanese companies, a fast-growing Indian gaming company, and a growth stage AI company. 

Prior to Global Tech Partners, Ryo served as the COO of GREE International, one of the premier Japanese mobile gaming companies. He was responsible for the division leading GREE’s charge into the Western market and led operation & finance teams both in San Francisco and Berlin.  Under his leadership, he executed multiple transformation initiatives and was also appointed as the Corporate Executive Officer (Shikko Yakuin).

Earlier in his career, Ryo spent 3 years at Merrill Lynch Tokyo as an investment banker and 4 years at Carlyle Japan as an investor managing a $1.2 billion buyout fund.


Ryo holds a law degree from Kyoto University and an MBA from Stanford Graduate School of Business.

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