Our Staff


Founded in 1996, we were the first private medical practice in the United States to focus exclusively on the specialty of breastfeeding medicine.  In the twenty years since Breastfeeding Resources was founded, we’ve grown and shrunk and grown again, as our all-mother clinical staff have each negotiated the complicated paths that criss-cross between nurturing breastfeeding families and nurturing our own families.

Clinical staff
  • Sue Iwinski, IBCLC, is board certified by the International Board of Lactation Consultant Examiners, and has been with our practice since 2000. Her attention and care with each and every family draws many mothers to our practice by word of mouth. This thoughtful approach to each family, as well as her clinical expertise and insight, have set the tone for our practice, individualizing care to each family’s circumstances. A leading voice for babies in her role with Connecticut’s La Leche League, she speaks regularly at League annual conferences. She has two adult children, and is lead vocalist for AfterShock, Connecticut’s powerhouse danceable rock band.
  • Sue Marchitto, APRN, IBCLC, is also certified by the International Board of Lactation Consultant Examiners. She works partttime with us, and remains a valuable member of the Yale Health Plan pediatrics team, sharing her breastfeeding expertise with families both in New Haven and with us.
  • Maria del Mar Mazza, RN, IBCLC, our newest staff member, is fully  bilingual, seeing both English and Spanish speaking families. She comes to us with an extensive resume, including many years as principal Spanish translator for La Leche League International. She translated Dr. Smillie’s DVD, the Mother-Baby Dance.
  • Christina Smillie, MD, our founding physician, devotes full time to clinical practice at Breastfeeding Resources, while finding time to speak occasionally both nationally and internationally. Board certified as both pediatrician and lactation consultant, she is a Fellow of both the American Academy of Pediatrics and the Academy of Breastfeeding Medicine. She has two adult children and one grandchild, still thriving on his mama’s milk.

Valued and recent professional staff:

  • Mary Griffin Kellogg, MD, IBCLC was until this summer the backbone of our practice, supporting more families with difficult breastfeeding challenges over the past decade than any other clinician in New England. Her compassion, care and attention to each family were matched by her observant eye, technical expertise, clinical insight and thoughtful analysis. She has now returned home to be a full-time stay-at-home mom, a profession she honored with every day of her work with us and with all of you.
  • Regina Eichenberger, PA, IBCLC, who was with us for 6 years, is now sharing her breastfeeding expertise in the NICU at Maria Fareri Children’s Hospital at Westchester Medical Center in Valhalla, NY, just minutes from her home in New York.
  • Becky Eleck, MD, was with us for a year expanding her breastfeeding education, and has now started her own all-housecall family medicine practice in Middletown.

All of us have experience balancing the juggle of managing family responsibilities with employment, and we’ve also each spent a chunk of time as stay-at-home mothers, working exclusively inside the home with our young children.

Administrative staff

Reception– Lisa Papp Terifay and Linda Kozlowski

Billing and office management–Deborah Brunson and Sharon DeBernardo