Toyoko Matsuzaki is a Japanese hado master with twenty-two years' experience as a consultant all over Japan and Taiwan, with a growing following in the United States. Her clients include business professionals, artists, musicians, physicians, lawyers, actors, and homebuyers, among many others. Toyoko's background as an accomplished vocalist makes her especially sensitive to the wave motion of hado. She graduated from Japan's Musashino Academia Musicae College and is a past member of Kansai Nikikai Opera Company, one of the most prestigious opera companies in Japan. Although retired from the stage, Toyoko teaches vocal students in Japan. Natsumi Blackwell is a professional translator and has been studying hado with Toyoko Matsuzaki for two years. She lives in New York City.