Betty-Anne Daviss has served as a midwife for 45 years and is internationally renowned as a breech expert and researcher on home birth and ethnography in childbirth. She is Adjunct Professor at the Pauline Jewett Institute of Gender and Women's Studies, Carleton University, Canada, and has privileges at l'Hôpital Montfort and the Ottawa Hospital.

Robbie Davis-Floyd is Adjunct Professor in the Department of Anthropology at Rice University, Houston, Texas. She is a well-known international speaker and researcher on transformational models in childbirth, midwifery, and obstetrics.