Stephen Wozniak also known by his nickname "Woz", is an American technology entrepreneur, electrical engineer, computer programmer, philanthropist, and inventor. In 1976, he co-founded Apple Computer with his early business partner Steve Jobs. Through his work at Apple in the 1970s and 1980s, he is widely recognized as one of the most prominent pioneers of the personal computer revolution.

Stephen Gary Wozniak was born on August 11, 1950, in San Jose, California. 27  His mother, Margaret Louise Wozniak (née Kern) (1923–2014), was from Washington state, and his father, Francis Jacob "Jerry" Wozniak (1925–1994) of Michigan,  18  was an engineer for the Lockheed Corporation.  1  Wozniak graduated from Homestead High School in 1968, in Cupertino, California. 25  Steve has one brother, Mark Wozniak, a former tech executive who lives in Menlo Park. He also has one sister, Leslie Wozniak. She attended Homestead High School in Cupertino. She is a grant adviser at Five Bridges Foundation, which helps at-risk youths in San Francisco. She once said it was her mother who introduced activism to her and her siblings.