I believe there can be an overall corporate culture but also micro-cultures within the organization which can sometimes be at odds with the organization's general culture and philosophies. Different managers have different styles. An employee's work experiences are most directly affected by their interactions with immediate and proximate supervision. The CEO of a large corporation may be a fantastic person and manager but some first level supervisor in another location or department of the company may not. Top-notch selection processes and proper managing of managers at all levels is important. Think about what type of corporate culture you want as a leader, then act and hold others to those same standards.
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