Midori (美登里) is a sexologist, educator, author, artist, speaker, and coach. Midori wrote the first English language book with instruction on Japanese Rope Bondage and continues to write on alternative sexual practices, including BDSM and sexual fetishism, bondage, erotic fiction, and more. She teaches classes, presents at conferences, coaches individuals and professionals, and facilitates in-depth weekend intensives. She is based in San Francisco, California.