1) Alumni of Stanford University feel strongly connected to their alma mater and frequently start technology companies in Silicon Valley or become donors and advisors. David Kelley of IDEO exemplifies giving back by teaching at Stanford in addition to running his company. 2) John Hennessy, the current dean of Stanford engineering, co-founded MIPS Computing after taking a sabbatical from Stanford, showing the fluid movement between academia and industry. 3) Yahoo co-founders Jerry Yang and David Filo began working on lists of their favorite websites while graduate students at Stanford, which eventually led to the successful founding of Yahoo after they were given flexibility by the engineering school.