Reid Hoffman Reid Hoffman, cofounder of LinkedIn and coauthor of "The Startup of You."
In December 2002, Reid Hoffman launched a professional networking site that would become a $20 billion-plus company, called LinkedIn.
Hoffman reveals the career wisdom that helped lead him to that success in a book called "The Start-Up of You." Those ideas have been visualized in the following slideshow, which he's allowed us to republish on Business Insider.