Marshall Vian Summers (born January 28, 1949) is an American author and spiritual teacher who offers retreats, online broadcasts and events in the United States and abroad.
He is the author of numerous books and podcasts, and is the founder of The Society for the New Message, a religious nonprofit organization established in 1992 which supports and makes available his books and teachings.
He is the central figure within a new religious movement with an emphasis on the implications of exotheology for human evolution.
His followers and he designate themselves the Worldwide Community of the New Message from God.
His books are the basis for their beliefs and guiding principles, which break down categorically into warnings of extreme change and outside threat; and gifts of spiritual blessing and preparation for living in a world in decline.