Sarah Clark is a passionate and outspoken advocate for the joy and beauty involved in natural birth; she has been a childbirth educator since 2008, and has had four natural births herself. A writer, Sarah is probably best known for her active work on her natural-birth and mothering blog, Mama Birth. She has been published in several natural-birth magazines and is a regular contributor on the Mothering magazine blog. As part of the Birth Boot Camp advisory board, Sarah helps train teachers on the art of communicating natural-birth knowledge and helps develop content for teachers and students. Visit her website, birthbootcamp.com.