What are Bill Joy's background and achievements in the book Outliers?

This story
comes in Chapter Two, The 10,000-Hour Rule. Here Gladwell shows us that even people with
innate talent have to practice or work on their craft for a long time in order to become
knowledgeable and proficient. 10,000 hours turns out to be the right amount to gain expert
status.

Bill Joy was interested in science when he got to the campus of the
University of...