Faculty Experts - Sunny G. Hallowell PhD, PPCNP-BC, IBCLC

Sunny G. Hallowell PhD, PPCNP-BC, IBCLC

Sunny G. Hallowell PhD, PPCNP-BC, IBCLC
Assistant Professor

Area of Expertise:

  • Breastfeeding
  • Neonatal intensive care
  • Pediatric and perinatal outcomes
  • Nursing workforce, staffing and work environments


There are many proven short and long-term benefits of breastfeeding for both mother and baby. Dr. Hallowell is at the forefront of the drive to utilize nurses to assist new mothers with breastfeeding as they transition from hospital to home and improve neonatal outcomes. With more than 15 years of clinical experience in pediatrics and perinatal care, and as a Lactation Consultant, Dr. Hallowell is a valuable source on all aspects of breastfeeding and neonatal care, as well as an advocate for patient-centered, evidence-based healthcare that is supported by policy and open to innovation.


  • Ph.D. University of Pennsylvania  
  • M.S.N. University of Pennsylvania
  • B.S.N. University of Toronto  

Selected Professional Experience

  • American Academy of Nursing, Jonas Foundation Health Policy Scholar—Expert Panel on Breastfeeding.
  • President of the National Association of Pediatric Nurse Practitioners, Pennsylvania Delaware Valley Chapter.
  • Board Certified Pediatric Nurse Practitioner at Children’s Hospital of Philadelphia, Neonatology and Hospital of the University of Pennsylvania, Neonatology and Newborn Services.
  • Post-Doctoral Fellowship, Center for Health Outcomes and Policy Research at University of Pennsylvania School of Nursing.
  • Philadelphia Social Innovations Lab Spring 2016 Nursing and Community Health Innovation Competition; first place winner for best Nursing and Community Health Innovation.
  • Lilly Education and Teaching fellow; Lilly Conference on Evidence-Based University Teaching and Learning.

Selected Publications

  • Hallowell, S.G., Froh, E.B., Spatz, D.L. and the American Academy of Nursing Expert Panel on Breastfeeding (2016). “Human Milk and Breastfeeding: An Intervention to Mitigate Toxic Stress? Policy Statement,” Nursing Outlook.
  • Hallowell, S.G. Spatz, D.L., Hanlon, A.L., Rogowski, J.A., Kenny, M., Lake, E.T. (2015).” Factors associated with infant feeding of human milk at discharge from neonatal intensive care: Cross-sectional analysis of survey and infant outcomes data,” International Journal of Nursing Studies. 53: 290-203.
  • Lake, E.T., Hallowell, S.G., Kutney-Lee, A., Hatfield, L.A., DelGuidice, M.,Boxer, B.A.,Ellis, L.N., Verica, L., Aiken, L.H. (2015). “Higher Quality of Care and Patient Safety Associated with Better NICU Work Environments,” Journal of Nursing Care Quality. 31(1): 24-32.
  • Froh, E.B., Hallowell, S.G., Spatz, D.L. (2015). “The Use of Technologies to Support Human Milk & Breastfeeding,” Journal of Pediatric Nursing.
  • Hallowell, S.G. & Spatz, D. L. (2012).  The Relationship Between Brain Development and Breastfeeding in the Late Preterm Infant.  Journal of Pediatric Nursing.  27. 154-162. doi:10.1016-j.pedn.2010.12.018.  Published online March 03, 2011.

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