Tom Zoellner is the author of "The Heartless Stone: A Journey Through the World of Diamonds, Deceit and Desire" (http://www.heartlesstone.com).
In addition, Zoellner is a contributing editor for Men's Health magazine and an award winning investigative journalist with newspapers such as the San Francisco Chronicle, The Arizona Republic, and The Salt Lake Tribune.
Zoellner is also the co-author of "An Ordinary Man, The Autobiography of Paul Rusesabagina," whose actions during the 1994 Rwandan genocide were portrayed in the movie Hotel Rwanda.