She received her Diploma in Nursing and Certificate as a Pediatric Nurse Practitioner from The Johns Hopkins Hospital. She has a B.S. in Nursing from Eastern Michigan University. She has published articles and lectured on childhood obesity, infant colic, role of the P.N.P., growth and development issues, and infectious diseases. She is the author of "Clinical Insights Column," published biannually in the Journal of Pediatric Health Care. Jonides is past president of NAPNAP. She currently is a NAPNAP representative to the Maternal Child Health Bureau Task Force on Childhood Obesity and a member of the Lamaze Board of Consultants.