Dr. Hans Rosling gives a keynote presentation at the 2013 ARPA-E Energy Innovation Summit. Dr. Rosling is a well-known public speaker on global change, listed as one of the 100 most influential people in the world by Time Magazine. He is professor of International Health at Karolinska Institute, the medical University in Stockholm, Sweden. He is also "Edutainer" at Gapminder Foundation where he produces educational videos and other educational material for the free website gapminder.org