Peter Vaill
Peter Brown Vaill (November 5, 1936 – March 24, 2020) was an organizational change theorist who published widely in the fields of organizational behavior, organization development (O.D.), and leadership studies, including the intersection of spirituality and leadership.[1][2] Life Vaill was born in St. Cloud, Minnesota, on November 5, 1936, to Stanley and Elizabeth (Brown) Vaill. Peter’s father, who worked for