: Classical theories and organisational culture The 20th century experienced significant changes in the way professional managers carried out their tasks, mostly basing their management decisions on a certain theory or a favoured guru. As the 21st century progresses, Free (2010) say that these theories are still relevant and specific theorists have continued to command huge influence. In addition, when professionals and organisational culture is utilised fully in all sectors of the organisation, it will be possible to affect changes to bureaucratic model of management. Since organisations continue to face unpredictable changes in economic, technological and political factors, organisational culture is one important source of agility that can eliminate wasteful bureaucracies (Davidson, 2007).