Keiko Takahashi,, born in Tokyo in 1956, explains that at the foundation of the many challenges that modern society confronts, lies a hollowing out of the human being as many have lost sight of the origin of their existence as a soul that embodies eternal life. She has developed both a new perspective of human beings and that of the world that guide the recovery of that origin, compiling them into the comprehensive Study of the Soul. So that everyone can walk on this path in their daily lives, she has formulated a system of principles and methods for practice.

Keiko Takahashi leads GLA, a practicing group of the Study of the Soul and provides more than 300 lectures and personal guidance a year. She accompanies and guides individuals on their paths, across several demographics and career types, addressing professionals in business management, medicine, education, and other fields based upon her insight toward the future of Japan and the world. Providing exceptional dialogue-based guidance that deals with real problems from the dimension of the soul, she has gained trust from all walks of life as a comprehensive consultant in life and work. Keiko Takahashi's lecture series circuit for the general public has been ongoing since its inception in 1992, with the number of attendants exceeding 1.3 million.

The author's many major works include: The Reason Why You Live There; Reversing Destiny; We Can Change the Future!; The Soul Doctrine as a Way of Life; Your Best for a New Era; Realm of Hope; Discovery of the Soul; The Path of Prayer (Revised Edition); and The Reason Why You Were Born as You. English translations are available for The Soul Doctrine as a Way of Life, Your Best for a New Era, The Path of Prayer (Revised Edition), Realm of Hope, To the Land Beyond, Discovery of the Soul, Beyond the Vast Wasteland, The Reason Why You Were Born as You, The New Human Force, The Grand Challenge, and The Principle of Hope. (All by Sampoh Publishing Co., Ltd.)