Ken Wilber is a renowned American philosopher, author, and teacher who is best known for his Integral Theory and Integral Philosophy. He was born on January 31, 1949, in Oklahoma City, Oklahoma, and grew up in a conservative Christian family. Wilber's interest in philosophy and spirituality began at a young age, and he was particularly drawn to the teachings of Eastern and Western mysticism.

After completing his undergraduate studies in chemistry and biology, Wilber pursued a graduate degree in biochemistry at the University of Nebraska. However, he soon realized that his true passion lay in philosophy and spirituality, and he dropped out of the program to focus on his studies in these areas.

Wilber's work is heavily influenced by the teachings of various Eastern and Western philosophies, including Buddhism, Hinduism, Taoism, and Christianity. He is known for his ability to synthesize these diverse perspectives into a comprehensive and integrated framework, which he calls Integral Theory.

Integral Theory is based on the idea that reality is multi-dimensional and can be understood through four fundamental perspectives - the individual, the collective, the interior, and the exterior. Wilber argues that all of these perspectives are equally important and must be taken into account when trying to understand any phenomenon.

In addition to Integral Theory, Wilber is also known for his concept of non-duality, which is the idea that all things are ultimately interconnected and part of a larger whole. He believes that this perspective is essential for achieving a more holistic and integrated understanding of reality.

Wilber has written over 25 books on a wide range of topics, including philosophy, psychology, spirituality, and science. His work has been influential in fields such as psychology, education, and business, and he has been described as one of the most important philosophers of our time.

In conclusion, Ken Wilber is a highly respected and influential figure in the world of philosophy and spirituality. Through his Integral Theory and non-dual perspective, he has made significant contributions to our understanding of reality and the human experience. His work continues to inspire and challenge people to think more deeply about the nature of existence and our place within it.