In February 2010, Zimbardo was a guest presenter at the Science of a Meaningful Life seminar: Goodness, Evil, and Everyday Heroism, along with Greater Good Science Center Executive Director Dacher Keltner.
I februar 2010, var Zimbardo gæsteforelæser ved "Science of a Meaningful Life seminar: Goodness, Evil, and Everyday Heroism" sammen med Greater Good Science Center Direktør Dacher Keltner.