Daniel Keauhou Matsu Yamashiro (born December 5, 1967), also known as D. K. M. Yamashiro, is an American clergyman, author, radio and podcast host, researcher, Christian media personality, and a chaplain at MIT who survived a 400-foot (122 meters) fall from the ridge of the Nuʻuanu Pali in Honolulu, Hawaii, at 18. He is the first researcher to present aggregate data on childhood trauma as it relates to American presidents. Yamashiro also produced the first comprehensive study on American presidents that investigates the influence of religious development from a lens of trauma.