American author and businessman and spiritual leader.
Michael Alan "Mickey" Singer (or Michael A. Singer; born 6 May 1947) is an American author, journalist, motivational speaker, and former software developer. Singer is best known for his writings on spirituality, meditation, and New Age philosophy, and two of his books on the subject, The Untethered Soul (2007) and The Surrender Experiment (2015), were New York Times bestsellers. Singer established the Temple of the Universe, a yoga and meditation center in Alachua, Florida, in 1975. Singer is also involved in the medical software industry.
https://en.wikipedia.org/wiki/Michael_Alan_Singer