From The Greats
Tadashi YanaiFounder of Fast Retailing and builder of UNIQLO
Tadashi Yanai identifies the original Professional Manager as the book from which he learned the most about management and describes its impact on his own work.
Recommended · Wording not verified
Source: PRESIDENT / PRESIDENT Books
Evidence details
柳井 正:プロマネ・ノートはこう読んでほしい！Conservative English paraphrase of Yanai’s own Japanese endorsement; no exact translated quote asserted.
This text documents what the source says, but it is not verified as a word-for-word quote.
PRESIDENT / PRESIDENT Books · 2011-01-23 · accessed 2026-10-01
Article · Signed reading endorsement
Signed winter2010 piece, published2011-01-23. Separate explicit endorsement names original Professional Manager as lifetime most-learned book. Reader instruction about Notes adaptation is not transferred to original.