Jeffrey L. Funk, PhD., is a professor of business at Hitotsubashi University in Japan, where he has been studying the mobile phone industry for almost ten years. He has been a consultant to industry leaders like NTT DoCoMo, J-Phone, Nokia, Hutchison Telecom, KPN, and Bouygues Telecom and is a member of the Global Mobility Roundtable, which is an international research group dedicated to the mobile Internet.