Born in Yokohama in 1952. He graduated in Architecture at the National
University of Yokohama in 1976. He worked for the studio Arata Isokazi &
Associates until 1979.
In 1984 he founded the Makoto Sei Watanabe/Architect’s Office. He has held lectures and conferences at the Denki University of Tokyo, the Housei University, and the National University of Yokohama.
His major architectural projects include the Aoyama Technical College in Tokyo, the Mura-No-Terrace in Gifu, the residential building Atlas, the K-Museum and the Metropolitan station, again in Tokyo. He also designed the Shin Minamata Station in Kumamoto and the Shangi House in Shangi (China).
His work has won awards and prizes, such as the ASLA Professional Award in 1997, the Gold Prize of Good Design Award in 2001, the AIJ Prize in 2002.
Publications on his work include the monograph Makoto Sei Watanabe, published by Arcaedizioni in 1998, the Japanese monograph Kentiku wa yawarakai kagaku ni tikazuku, in 2002, and the volume Induction Design, published in Birkhauser in Switzerland in 2002, which also appeared in Italian translation in 2004.