John Sculley is an American businessman. Sculley was vice-president and president of PepsiCo , until he became CEO of Apple on April 8, 1983, a position he held until leaving in 1993. Sculley is currently a partner in Sculley Brothers, a private investment firm formed in 1995. He is best known for his marketing skills, particularly in his introduction of 'the Pepsi Challenge' at PepsiCo, which allowed the company to gain market share from its primary rival, Coca Cola. Sculley used similar marketing strategies at Apple throughout the 1980s and 1990s to mass market Macintosh personal computers. In May 1987, Sculley was named Silicon Valley's top-paid executive, with an annual salary of US$2.2M.