Daniel Lieberman is Harvard College Professor and Chair of the Department of Human Evolutionary Biology at Harvard University; he is also a member of Department of Organismic and Evolutionary Biology. He was educated at Harvard (AB ‘86, PhD ’93) and Cambridge (M.Phil. ’97). His research is on how and why the human body is the way it is, with particular foci on the origins of bipedalism, how humans became superlative endurance runners, and the evolution of the highly unusual human head. To address these questions he combines experimental biomechanics and physiology, paleontology, and comparative anatomy. He teaches a variety of courses on human evolution, anatomy, and physiology, and has published 3 books and more than 100 articles. His latest book is "The Evolution of the Human Head (Harvard University Press, 2011). His work on barefoot running, which he also practices, has earned him the nickname "The Barefoot Professor."

http://www.fas.harvard.edu/~skeleton/danlhome.html