Deena Metzger (born September 17, 1936) is an American writer, healer, and teacher whose work spans multiple genres including the novel, poetry, non-fiction, and plays. Her novel La Negra y Blanca won the 2012 Oakland Pen Award for Literature. She first introduced and convened Daré, monthly gatherings for community and individual healing in 1999 and then ReVisioning Medicine in 2004. Metzger is known for her image in Hella Hammid's 1977 photograph, sometimes referred to as "The Warrior," or “Tree” poster, in which the post-mastectomy Metzger stands in a celebratory pose.