Rachel Zimmerman worked as a reporter for The Wall Street Journal for 10 years, most recently at the Boston bureau covering health and medicine. She’s also written for The New York Times, the (now-defunct) Seattle Post-Intelligencer, and the alternative paper Willamette Week in Portland, Oregon, among other publications. She is the co-author of "The Doula Guide To Birth," published by Bantam/Random House. In 2008, she spent the year as a Knight Science Journalism Fellow at MIT. Rachel lives in Cambridge with her two daughters.