Toshikazu Kawaguchi is a Japanese author whose novel, Before the Coffee Gets Cold, became an international bestseller that has been adapted for the screen. Other books from Kawaguchi's popular series include Tales from the Cafe, Before Your Memory Fades and Before We Say Goodbye. Kawaguchi was previously a producer, director and writer for the theatrical group Sonic Snail. As a playwright, his works include COUPLE, Sunset Song and Family Time.