Her contributions to the science and practice of human milk and lactation for preterm infants and their mothers span three decades and many professional disciplines. Dr. Meier established the Rush Mothers' Milk Club, a program of evidence-based breastfeeding practices for preterm and high risk infants, in the Special Care Nursery at Rush Children's Hospital. This program has become the international "gold standard" for excellence in research and practice and serves as the model for neonatal intensive care units throughout the world.
Dr. Meier serves on the Executive Council for the International Society for Research in Human Milk and Lactation and as the Co-Chairperson for the Expert Panel of Breastfeeding for the American Academy of Nursing. She is also a member of the Health Advisory Council for LaLeche League and has chaired the 2004 CDC panel that reviewed breastfeeding promotion grants.