Steve Wozniak, also known by his nickname "Woz", is an American electronics engineer, programmer, philanthropist, and technology entrepreneur. In 1976 he co-founded Apple Inc., which later became the world's largest information technology company by revenue and largest company in the world by market capitalization. Through their work at Apple in the 1970s and 1980s, he and Apple co-founder Steve Jobs are widely recognized as two prominent pioneers of the personal computer revolution.