Dr. Cadwell is a nationally and internationally recognized speaker, researcher and educator. She is a member of the faculty of the Healthy Children Project and convened Baby-Friendly USA, the organization implementing the UNICEF Baby-Friendly Hospital Initiative in the United States. Dr. Cadwell counsels breastfeeding mothers at the Center for Breastfeeding, a community-based lactation clinic on Cape Cod.
Karin is a delegate to the U.S. National Breastfeeding Committee. She is a member of the faculty of Union Institute and University's Bachelor of Science major in Maternal Child Health: Lactation Consulting. She was Visiting Professor and chair of the Health Communications Master's Program at Emerson College (a joint program with Tufts University School of Medicine and Public Health.)
She is the author of numerous books and articles including Breastfeeding A - Z: Terminology and Telephone Triage, Case Studies in Breastfeeding, Maternal and Infant Assessment for Breastfeeding and Human Lactation and Reclaiming Breastfeeding for the United States. She has led delegations focusing on Breastfeeding and Human Lactation to China, Sweden, Denmark, Russia, Romania, Latvia, Cuba, Egypt, and Israel. Dr. Cadwell was awarded the designation IBCLC in 1985 for "significant contribution to the field" and has also certified by exam.