Kei Mamiya, from Yokohama, Japan, graduated from Meiji Gakuin University in Tokyo. He has worked for a travel company in Tokyo for three years. He was in charged of planning tours in foreign countries, mainly in Europe, and also did tour leading in those countries. He is currently a first-year graduate student in Sociology department at the University of Mississippi. His interest include how race and ethnicity are presented in society. He likes playing badminton, running, traveling, and photography.