Marsha Walker, RN, IBCLC is a registered nurse and international board certified lactation consultant (IBCLC). She has been assisting breastfeeding families in hospital, clinic, and home settings since 1976. Marsha is the executive director of the National Alliance for Breastfeeding Advocacy (NABA). She serves as USLCA’s representative to the USDA’s Breastfeeding Promotion Consortium, NABA REAL’s representative to the US Breastfeeding Committee, Associate Editor of Clinical Lactation, and a board member of the Massachusetts Lactation Consultant Association. Marsha is an international speaker, and an author of numerous publications including ones on the hazards of infant formula use, Code issues in the US, and Breastfeeding Management for the Clinician: Using the Evidence, 5th edition.