AbstractThe subject of this article concerns the effects of poor leadership in business management. Search methods included leadership excellence, corporate governance, leadership styles, Journal of Knowledge Management, Oxford Dictionary Online, information and management, OhioLink sources. The focus will be on Steven Berglas (2009) on the victims of success. The findings are in agreement with Patricia Hind, Andrew Wilson and Gilbert Lenssen (2009) Developing leaders for Sustainable Business; and Victor Newman & Kazem Chaharbaghi ​​(2000) The study and practice of leadership, and Norma Sutcliffe (1999) Leadership behavior and business process reengineering (BPR) outcomes: an empirical analysis of 30 BPR projects. It can be concluded that Leadership Styles (1997) and Oxford Dictionary Online (2010) have provided valuable information on which temperament corresponds to leadership styles. The Effects of Poor Leadership in Business Management Autocrat, Benevolent Autocrat, Consultative, Participatory, Consensus and Laissez-Faire are types of the leadership styles. Individuals' personalities have an influence on the leadership style they advocate. It is common knowledge among professional leaders that autocratic style leaders are directive and require immediate action from team members without explanation, whereas benevolent autocratic leaders state with explanation (Leadership Styles, 1997, p.1 and Sutcliffe, 1999, p.276). Interactive leadership styles are consultative and participatory. The consultant obtains opinions before deciding on the plan and participative leaders consider the views of team members before making final decisions (Leadership Styles, 1997, p.1 and Sutcliffe, 1999, p.276). Consensus and laissez-faire leadership roles...... middle of paper ......ReferencesBerglas, S. (2009). Victims of Success Avoid self-destructive actions. Excellence in leadership. Retrieved from OhioLINK Hind, P., Wilson, A., & Lenssen, G. (2009). Developing leaders for sustainable business. Corporate Governance, 9, 7-20. Retrieved from OhioLINKStyles of Leadership (1997). Retrieved from http://www.see.ed.ac.uk/~gerard/MENG/ME96/Documents/Styles/Newman, V., & Chaharvaghi, K. (2000). The study and practice of leadership. Journal of Knowledge Management, 4, 64-73. Retrieved from OhioLINKOxford Dictionary Online (2010). Retrieved from www.askoxford.com/dictionariesSutcliffe, N. (1999). Leadership behavior and business process reengineering (BPR) outcomes: An empirical analysis of 30 BPR projects. Information and Management, 36, 273-286. Retrieved from OhioLINK