Family businesses exhibit one of the most fundamental characteristics of complexity theory – the interaction of three highly interdependent sub-systems. Not only are the interactions between the family, ownership, and business systems complex, but each of the systems are individually complex. Organization culture refers to shared assumptions, values and norms and is a source of sustained competitive advantage. Culture affects the decision-making process because shared beliefs and values give organizational members a consistent set of basic assumptions and preferences. Culture has been recognized as a contingent variable in the process of strategy
formulation. Certain types of culture could enhance organization performance and culture is related to organization strategy particularly in the implementation of a selected strategy.