IHRM has become a considerable strategy assisting international organization to be successful by managing the effective employees for running international activities in MNCs (Briscoe & Schuler, 2004). Therefore, it is likely important to integrate appropriately organizational strategy with international HRM (SIHRM) in order to implement the global achievement of organization and obtain competitive advantages. However, the important issue of SIHRM is a design of SIHRM in term of how to balance the needs between integration and differentiation of both parent organizations and their affiliates that influence by internal factors, such as experience in managing internal operations and external factors, such as industry and regional characteristics. (Shuler, Dowling & De Cieri, 1993 cited in Taylor, Beechler & Napier, 1996). This essay will argue that the attitudes of senior management could be an emphatic challenge because it is an important key of designing appropriate SIHRM orientation relating with MNCs ' strategy. Additionally, culture diversity is
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