The style of leadership portrayed by Bruce Willis was decisive and with full conviction, in the best interest of everyone under his care and jurisdiction as shown below.
a) As a father, he undertook the sole responsibility of bringing up his daughter from young, after his separation from his wife. He brought her everywhere he went and when she got romantically involved with one of his workers, he showed much concern and took actions in the interest of his daughter's future.
b) As a company boss, he was decisive in terminating the services of his best worker, for taking matters in his own hands and thus jeopardizing the safety of the other workers. He did not tolerate any insubordination and commanded everybody's respect.
c) As a project team leader for NASA, he showed great concern for all humanity and thus, agreed to undertake the assignment. This decision showed his compassion and his willingness to make the ultimate sacrifice for the sake of others. As he was knowledgeable and showed great leadership skills, even NASA staff listened to him. This emphasize the fact that a good leader is able to influence and guide everyone, through exemplary actions and compassion for others.
d) His willingness to make the ultimate sacrifice and switch places with his worker in staying back to detonate the bomb summarizes all his leadership qualities. As a father, he was more concerned for his daughter's future and happiness and thus switched place with his worker, even though he realized that by doing so,