Catherine Watson Genna BS, IBCLC is an International Board Certified Lactation Consultant in private practice in New York City. Certified in 1992, Catherine is particularly interested in helping moms and babies breastfeed when they have medical challenges. She serves as an active clinical mentor, and speaks to healthcare professionals around the world on assisting breastfeeding babies with anatomical, genetic or neurological problems. Catherine is collaborating with Columbia University and Tel Aviv University Departments of Biomedical Engineering on research projects investigating the biomechanics of the lactating nipple and various aspects of sucking and swallowing during breastfeeding. In addition to this volume, she is the author of Selecting and Using Breastfeeding Tools: Improving Care and Outcomes (Hale 2009) as well as peer-reviewed journal articles. She currently serves as Associate Editor of the United States Lactation Consultant Association's official journal Clinical Lactation.