Tadashi Yanai(柳井 正,Yanai Tadashi?, born February 7, 1949) is founder and president of Fast Retailing, of which Uniqlo (ユニクロ, "unique clothing") is a subsidiary. He is routinely ranked as one of the richest men in Japan, and in January 2014 was ranked 35th richest person in the world according to Bloomberg, making him the richest man in Japan with an estimated net worth of 19.9 billionUSD in 2009 and $17.6 billion in 2014.
In 1971, Yanai started in business by selling kitchenware and men’s clothing at a Jusco supermarket. After a year at Jusco, he quit and joined his father’s roadside tailor shop. Yanai opened his first Uniqlo store in Hiroshima in 1984, and changed the name of his father’s company Ogori Shoji to Fast Retailing in 1991. He has stated: "I might look successful but I've made many mistakes. People take their failures too seriously. You have to be positive and believe you will find success next time."
Yanai won the International Retailer of Year award for 2010 from the National Retail Federation in US. He was the fourth Japanese national to win it, and the first since 1998, when it was won by Masatoshi Ito, owner and honorary chairman of the Ito Yokado retailing group. He was also chosen as best company president in a survey of Japanese corporate executives by Sanno Institute of Management in 2008 and 2009.