U-ZERO Inc. (Headquarters: Chiyoda-ku, Tokyo; CEO & CPO: Masamune Mimura; hereinafter "the Company"), which supports employee engagement reform to enhance job satisfaction and eliminate unhappy workers, announces that its representative, Masamune Mimura's new book, "Feedback Management: From 'Silent Organizations' to 'Mutually Enhancing Organizations'" (Nikkei BP), has gone into its fourth printing. This marks the fourth reprint approximately three weeks after its release on June 8. An event titled "U-ZERO DAY 2026," centered on the book's theme, is scheduled for July 15, and anticipation is growing ahead of its opening. Features of the Book 1. Unveiling the Structure of "Silent Organizations" and Offering Solutions The book categorizes the symptoms of organizational silence into six types and presents "Feedback Management," which consists of three pillars for their resolution. It logically explains the root causes of organizational issues, which have often been perceived intuitively, with concrete examples. 2. Transformation Practices from Six Company Executives Part 5 introduces real-life cases from six companies (Sumitomo Pharma, KITZ, Fujitsu, Deloitte Touche Tohmatsu, AstraZeneca, and Yayoi) that have tackled feedback management. In each case, the executives themselves recognized the lack of employee voice circulation as a management issue and personally initiated reforms. 3. The Author Himself Created a "Silent Organization"—Born from Failure and Regeneration When Masamune Mimura, the author, became the first president of Concur Technologies, Inc. in 2011, he inadvertently created a silent organization while pursuing immediate results. Through repeated dialogue with employees, he found a breakthrough in feedback. Through continuous trial and error, and by engaging with feedback as a manager, he established a domestic record of seven consecutive years of first place in the Great Place To Work® Japan "Best Workplaces" ranking (medium-sized companies) starting in