Masako, Crown Princess of Japan (雅子皇太子妃殿下, Masako kōtaishihi denka, the Crown Princess Masako?, born December 9, 1963) is the wife of Naruhito, Crown Prince of Japan, the first son of the Emperor Akihito and the Empress Michiko, and a member of the Japanese Imperial Family through marriage.
She was born Masako Owada (小和田 雅子, Owada Masako?), the eldest of Hisashi Owada, a senior diplomat. She has two younger sisters, twins named Setsuko and Reiko. Masako went to live in Moscow with her parents when she was two years old, and attended kindergarten in Moscow. Upon returning to Japan, she attended a private girl's school, Denenchofu Futaba, in Tokyo from elementary school through her second year of senior high school. Masako and her family moved to the United States when her father became a guest professor at Harvard University and also vice ambassador to the United States. She graduated from Belmont High School in Belmont, Massachusetts, near Boston, where she was president of the National Honor Society.
Princess Masako holds a Bachelor of Arts (BA) magna cum laude in Economics from Harvard University and attended but did not finish the graduate course in International Relations at Balliol College, Oxford University. Her senior thesis advisor at Harvard was Jeffrey Sachs. She also studied briefly at the University of Tokyo, where her father taught, in preparation for the entrance examinations at the Japanese Ministry of Foreign Affairs.