Penny Simkin, a physical therapist, has been a childbirth educator and doula since 1968. She trains childbirth educators, doulas, and doula trainers and frequently conducts workshops for doctors, nurses, and other medical professionals. Ms. Simkin also teaches sibling preparation classes and provides counseling to expectant parents. Janet Whalley, a registered nurse, has been a childbirth educator since 1975. She is the former executive director of the Childbirth Education Association of Seattle. Ms. Whalley provides breastfeeding counseling for new mothers and also teaches classes on newborn care and breastfeeding. Ann Keppler, a registered nurse, parish nurse, and lactation specialist with a master's degree in maternal-child nursing, has taught childbirth and new-parent classes since 1975. She is the clinical nurse specialist for the family maternity center at Evergreen Hospital in Kirkland, Washington.Simkin, Penny is the author of 'Pregnancy, Childbirth, and the Newborn The Complete Guide' with ISBN 9780743212410 and ISBN 074321241X.