Warren Buffett is a business man and investor, the CEO of Berkshire Hathaway and Berkshire Hathaway runs more than 60 companies including Dairy Queen,Geico and Duracell (, 2018). Warren Buffett- CEO of Berkshire Hathaway (Source: Google) Emotional is the weakness of The Campaigner which they will do things led by their mood. The Campaigner is also a dreamer, a adventures, by using his creativity to change the world (16Personalities, n.d.). I am defined as The Campaigner in 16 Personalities. Image 1: 16 personalities – The Campaigner (Sources: ) To decide decision, as a leader, I listen to the opinion and the solution that provide from the staff who know it and involved it the most, the solution that leader provide may be just on leader’s perspective but not convenience to the person to do it. I am the person who like listen to others, that two heads are better one concept. I believe that rules and regulation setted strictly is not the way to lead a business and a team. My vision of leadership is to become a successful laissez-faire leader. That is combination needed to become a better leader. Laissez-faire Leadership, Transactional Leadership, Coaching Leadership, Charismatic Leadership, Visionary Leadership (Casimir, 2001). There are 12 leadership style that use to be an effective leader, such as Autocratic Leadership, Democratic Leadership, Strategic Leadership Style, Transformational Leadership. Leadership style is the way a leader to leads others.