Charles Bruce Greyson (born October 1946) is an American psychiatrist and near-death experience researcher.
[3][4] Greyson, along with Kenneth Ring, Michael Sabom, and others, built on the research of Raymond Moody, Russell Noyes Jr and Elisabeth Kübler-Ross.
Greyson's scale to measure the aspects of near-death experiences[5] has been widely used, being cited over 450 times as of early 2021.
[7] Greyson wrote the overview of Near Death Experiences for the Encyclopædia Britannica and was the Editor-in-Chief of the Journal of Near-Death Studies (formerly Anabiosis) from 1982 through 2007.
[8][9][10][11][12][13][14] Greyson is author of After: A Doctor Explores What Near-Death Experiences Reveal about Life and Beyond (Macmillan, 2021), co-author of Irreducible Mind: Toward a Psychology for the 21st Century (Rowman and Littlefield, 2007)[15] and co-editor of The Handbook of Near-Death Experiences: Thirty Years of Investigation (Praeger, 2009).