is the Chairman and Chief Executive Officer of Chugai Pharmaceutical Co., one of Japan's largest drug companies.
He is also Chairman of the Board of Directors of Sony Corporation.
Nagayama is a member of the Board of Directors of the International Centre for Missing & Exploited Children (ICMEC), a global nonprofit organization that combats child sexual exploitation, child pornography, and child abduction.
He obtained his bachelors degree from Keio University in 1971.
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| NAME = Nagayama, Osamu
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| SHORT DESCRIPTION = businessman
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