Mary Elizabeth Pipher (born October 21, 1947), also known as Mary Bray Pipher, is an American clinical psychologist and author, most recently of The Green Boat, which was published by Riverhead Books in June 2013. She received a Bachelor of Arts degree in anthropology from the University of California, Berkeley in 1969 and a PhD in clinical psychology from the University of Nebraska–Lincoln in 1977. She was a Rockefeller Scholar in Residence at Bellagio in 2001. She received two American Psychological Association Presidential Citations. She returned the one she received in 2006 as a protest against the APA's acknowledgment that some of its members participate in controversial interrogation techniques at Guantánamo Bay and at US "black sites".