Born in 1979 in Yokohama. Graduated from Sophia University with a degree in journalism. Has produced movies including "Train Man", "Confessions", "Villain", "Moteki", "Ookami kodomo no ame to yuki (Wolf Children)", "Parasyte", "The Boy and the Beast", and "Bakuman". In 2010, was chosen by U.S. magazine The Hollywood Reporter for its "Next Generation Asia" list. In 2011, became the youngest person to receive the "Fujimoto Award", an award given to outstanding movie producers. Published his first novel "If Cats Disappeared from the World" in 2012 which became a bestseller, with more than 1.3 million copies being sold. It was nominated for the Japan Booksellers' Award and made into a movie starring Takeru Sato and Aoi Miyazaki. In 2013, published children's picture book "Fuusen Inu Tinny (Tinny the Balloon Dog)". An animated television series based on the book is currently being broadcast by NHK. In 2014, published children's picture book "Moom". In the same year, animation directors Robert Kondo and Dice Tsutumi - makers of the short film "The Dam Keeper" that was nominated for the Academy Award - decided to make it into an animated movie. Also in 2014, published "Shigoto (Work)" a well-received book containing interviews with 12 people on the topic of work. The 12 were Yoji Yamada, writer Kotaro Sawaki, photographer Hiroshi Sugimoto, scriptwriter So Kuramoto, lyricist Yasushi Akimoto, animation director Hayao Miyazaki, copywriter Shigesato Itoi, photographer Kishin Shinoyama, poet Shuntaro Tanikawa, animation film producer Toshio Suzuki, artist Tadanori Yokoo, and musician Ryuichi Sakamoto. His second novel "Oku otoko (hundred million man)" which originally appeared in the Brutus magazine, became a bestseller. It was nominated for the Japan Booksellers' Award in 2015, marking the second time that Kawamura's work had been nominated for the award. Has recently published "Rikei ni manabu (Learning from science), which contains dialogues with people in the field of science such as anatomist Takeshi Yoro, astronaut Koichi Wakata, Nobuo Kawakami, head of Dwango, scientist Masahiko Sato, and Joichi Ito, director of MIT Media Lab. Another recent book is "Cho Kikaku Kaigi (Ultra planning conference) which depicts an imaginary conference held with Hollywood movie directors.