Steve Jobs was a co-founder of Apple Inc. and Pixar who helped revolutionize the technology and entertainment industries. Some key events in his career include co-founding Apple in 1976 and introducing the Apple II computer, returning to Apple as CEO in 1997 after it nearly went bankrupt, and leading the development of iconic products like the iPod, iPhone, and iPad that transformed how people interact with technology. He passed away in 2011 after making Apple one of the world's most valuable companies.