Katsuhiro Okazaki (born 1980) is a Japanese entrepreneur, author, and speaker. Born in Saitama Prefecture, he graduated from the School of Management at Tokyo University of Science and joined SoftBank, where his work included developing key performance indicators for call-center operations. He became an independent entrepreneur in 2008 and is currently President and Representative Director of XYZ, while also working in corporate training, human resource development, consulting, publishing, and public speaking. In "Itsumo Kigen Yoku Irareru Hon," he examines how emotions influence judgment, behavior, work, and relationships and presents twenty-nine practical approaches to managing one's own mood and maintaining a more constructive state of mind in everyday life.
