Michael E. Mann is a member of the Penn State University faculty, holding joint positions in the Departments of Meteorology and Geosciences and the Earth and Environmental Systems Institute. He is also director of the Penn State Earth System Science Center. He is the author of the recently published book, The Hockey Stick and the Climate Wars, and co-authored, with Lee Kump, the book Dire Predictions: Understanding Global Warming. Mann, who was awarded the 2012 Hans Oeschger Medal of the European Geosciences Union, is a cofounder and avid contributor to the award-winning science website, www.RealClimate.org.