This paper explored the originality of the management by interest theory as an organizational management theory. The management by interest theory aims to provide strategic insights to understanding the dynamics involved in the operations of interest in executing organizations’ affairs by management. The study engaged a descriptive narrative methodology in exploring the concept of organizational interest, organizational member’s interest, stakeholders’ interest, dominant interest, management role, and postulations of the assumption of the management by interest theory. The study posits that the management by interest theory connotes the default interest that presently defines an organization's protocol of engagement in its present and future activities. In conclusion, the management by interest theory is relevant in explaining and understanding management exploration of interest and the interplay of organizations’ engagement protocol in today’s organizations.