Tatsuya Kosaka

Global Assistance Dept. - Medical Service Group At Ms&ad Grand Assistance(former: Jaic) at International Assistance Group

Tatsuya Kosaka has extensive experience in customer service and management across various industries, specializing in global assistance and support for premium clients. Currently, Tatsuya works in the Global Assistance Department at MS&AD Grand Assistance, where responsibilities include medical service management. Previous roles include providing travel and lifestyle services at American Express for premium Japanese credit card members, and serving as an international office administrator at MANABI Japanese Language Institute. Tatsuya's expertise also encompasses global customer service at JTB Corp., administration at Tokyo West International School, and executive management at Saiwai Industrial Co., Ltd., where roles involved innovative corporate strategies and safety management. Tatsuya holds a BSBA in International Business from the University of Denver.

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