Jack Welch transformed GE into one of the most successful and admired companies in the world during his 21 years as CEO from 1980 to 2001. He increased revenues five-fold to $130 billion and income ten-fold to $15 billion through innovative management techniques like restructuring the company into a flat organization, prioritizing cultural change, and developing leaders. Welch was known as a tough but inspiring leader who empowered people and shared his vision to make GE the number one or number two in all of its business sectors.