Jack Welch is one of those leaders in business that has established a legacy in developing leaders. Welch was CEO and Chairman of General Electric (GE) from 1981 to 2001. Welch also pioneered a policy of informality at GE, allowing all employees to have small business experience at a large corporation. Powerful leaders have energy that radiates through them to others. Welch brought massive energy to everyone around him and to every conversation.