M.A.M.A.S. is a bilingual practice of Certified Nurse-Midwives (CNMs). Mairi Breen Rothman, Kathy Peacock, and Miriam Rieger who all hold undergraduate degrees in nursing and graduate degrees from midwifery education programs accredited by the Accreditation Commission for Midwifery Education. They are certified by the American Midwifery Certification Board, and are licensed to practice in both DC and Maryland. Together, they have almost forty years of experience as midwives attending births at home, in birth centers and in hospitals. In addition, Máiri is one of the first 8 midwives in the United States who has a doctorate in midwifery.