James Ogul is a specialist in World Expos who worked at the U.S. State Department for over 30 years. Ogul has worked on U.S. pavilions at ten Expos, starting at Expo 1982 in Knoxville.
The Bureau International des Expositions (BIE) is the intergovernmental organisation in charge of overseeing and regulating World Expos, Specialised Expos, Horticultural Expos and the Triennale di Milano.
Urso Chappell is a San Francisco-based designer, writer, and consultant. Born on the former site of the 1904 World's Fair in St. Louis, he has attended nine expos thus far. In 1998, he founded ExpoMuseum.com. As a designer, he was the winner of Expo 2005's Linimo Design Contest in 2004. He has reported on various expos and consults for future expos and expo bids.