Marie Kondo is an internationally bestselling author, having sold 14 million books over the last ten years alone, translated into more than 40 languages. She is the founder of KonMari Media, Inc., and oversees the Consultant Program with experts trained in her methods active in over 50 countries. She also hosted the Emmy-nominated Netflix show, Tidying Up With Marie Kondo. While globally active, Marie is based in Japan.

Marie began her consultancy as a 19-year-old university student in Tokyo, which inspired her to write, The Life-Changing Magic of Tidying, which landed at #1 on the New York Times bestseller list and topped bestseller charts around the world. Marie's simple yet revolutionary approach to living more joyfully has transformed countless homes and lives.

Marie has been featured in The New York Times, Vogue, The Wall Street Journal, The London Times, The Guardian, The Late Show with Stephen Colbert, The Ellen Show. She has also been named one of Time magazine's 100 Most Influential People in the world.

Her goal, now and always, is to spark joy everywhere. With Letter from Japan, she hopes to share the traditions of her homeland to spark joy all over the world.

Marie Iida is a writer and Japanese-English interpreter based in Los Angeles. She played a key role as the on-camera interpreter in the Emmy-nominated Netflix series Tidying Up with Marie Kondo. Her writing in translation includes over half a dozen monographs on contemporary Japanese artists, including Yayoi Kusama, Toyo Ito, and Kenya Hara for Rizzoli New York. Most recently, she co-translated Lady Joker (Soho Press/Baskerville), the acclaimed literary masterpiece by Kaoru Takamura, alongside Allison Markin Powell. She is currently working on her debut novel.