In 1976, with business partner Steve Jobs, he co-founded Apple Inc., which later became the world's largest information technology company by revenue and the largest company in the world by market capitalization. Stephen Gary Wozniak ( / ˈ w ɒ z n i æ k/ born August 11, 1950), also known by his nickname ' Woz', is an American electronics engineer, computer programmer, philanthropist, and technology entrepreneur.