About Us

About Us

Pediatric Sub-unit Leadership

Nancy Sacks, MS, RD, LDN

Nancy is a Clinical Dietitian at The Children's Hospital of Philadelphia. She has over 25 years of experience in the nutrition field including the clinical, research and education setting. Her research and clinical work has been focused on pediatric cancer and survivorship. She developed nutrition information for the pediatric oncology population on websites for The Children's Oncology Group (CureSearch), The American Cancer Society, and the National Cancer Institute. In addition, she served as the Pediatric Subunit Chair for the American Dietetic Association (ADA) - Oncology Practice Group (1998-2006) and is currently the Co-Chair (2014-Present). She also participated as co-chair for the Children's Oncology Group within the Cancer Control Nutrition Subcommittee (2001-2008). She received her Bachelor of Science in Human Nutrition and Dietetics from the University of Arizona and her Master of Science in Human Nutrition and Foods from Virginia Polytechnic Institute and State University. She has a Post Master's Certificate in Clinical Research Operations from La Salle University. She is currently working toward her Doctorate in Clinical Nutrition from Rutgers University and is expected to complete her program next year

Karen Ringwald-Smith, MS, RD, LDN, FAND

Karen currently works at St. Jude Children's Research Hospital as the Research/Education/ Project Manager.  She has been at St. Jude since 1990 and has worked with many research and medical teams striving to optimize the medical nutrition therapy provided and improve health outcome.  Karen is actively conducting several research and evidence based studies, with over 50% of her research funded by grants.  Her core research team consists of four graduate students from the University of Memphis, two undergraduate student assistants employed by St. Jude, and four research observers from various undergraduate nutrition programs.  In addition to her research of which she is the primary investigator, she also assists the dietitians in the department with their research efforts.  Karen enjoys program development and providing education to the St. Jude family, which includes staff, patients, and caregivers.  She is currently managing several pediatric oncology education programs including Taking it to the Streets, the Nutrition Express, Mommy and Me, and the St. Jude Healthy for Life Program.  Annually, she develops campus wide nutrition activities including National Nutrition Month, Kids Eat Right Month, and Childhood Cancer Awareness Month.  Karen is adjunct faculty at the University of Memphis and Southwest Tennessee Community College teaching nutrition classes.  

Jennifer Caceres, MS, RD, LD

Jennifer is a Clinical Dietetian at Nickalus Children's Hospital (formerly Miami Children's Hospital) in Miami, Fl where she works within the Hematology/Oncology, Adolescent Medicine, Psychiatry, and Pulmonary departments. She enjoys baking, reading, and running. Over the past three years, she has dedicated a large portion of her time to working with Team in Training which involves raising money for the Leukemia and Lymphoma society while simultaneously training for half and full marathons. She completed her first half and full marathons in 2013!  She received her Bachelor of Science in Human Ecology-Dietetics and Bachelor of Arts in Psychology from Ohio State University. She went on to complete her Masters of Science in Nutrition at Texas Woman's University.

Kristy Gibbons, MS, RD, CSP, CSO, LDN

Kristy is a Clinical Dietitian at St Jude Children's Research Hospital in Memphis, TN.  She has specialized in working with pediatric oncology patients in the Bone Marrow Transplant Clinic for the past 8 ½ years. She also covers a monthly subspecialty GI clinic to provide nutrition intervention for oncology GI disorders.  Besides direct patient care, Kristy helps with in the mentoring of the dietetic graduate assistants that are assigned to St Jude through the University of Memphis dietetic internship program.  Previous work experience was in general pediatric nutrition that included a wide variety of areas: PICU, CVICU, NICU, Inborn Errors of Metabolism, and a Developmental Feeding Clinic.  She received her Bachelor of Science Degree from Harding University in Searcy, Arkansas, completed her dietetics internship at the University of Arkansas for Medical Sciences in Little Rock, Arkansas, and obtained her Master's Degree in Clinical Nutrition at the University of Memphis in Memphis, TN.  

Chelsea Schulman, MS, RD, LDN

Chelsea is a Clinical Dietitian with the Newborn/Infant Intensive Care Unit at The Children's Hospital of Philadelphia (CHOP) in Philadelphia, PA. She previously covered  patients under the General Surgery (General, Thoracic, and Fetal), Trauma, and Orthopedic services and provides outpatient services for General Surgery patients and patients within the Pulmonary Hypoplasia Program at CHOP.  Her areas of interest include prevention of malnutrition in oncology patients and long-term nutrition-related effects in survivorship. Outside of her clinical role, she is also the Student Editor for the Research Dietetic Practice Group's online newsletter, The Digest. In her free time, she enjoys exercising and spending time with her friends and family. She received her Bachelor of Science in Interdisciplinary Health Services from Saint Joseph's University and her Masters degree in Human Nutrition at Drexel University, both in Philadelphia, PA. She completed her internship at the National Institutes of Health in Bethesda, MD.

Rachel Hill, RD, LD, CSO, CNSC

Rachel is a Clinical Dietitian at Cook Children's Medical Center in Fort Worth, TX. Specifically, she specializes in hematology and oncology as she works with the survivorship population and patients with leukemia, lymphoma, and solid tumors. Her areas of interest include: obesity prevention for pediatric acute lymphoblastic leukemia patients, prevention and treatment of malnutrition in pediatric cancer patients, and nutrition support. Within Cook Children's Medical Center, she also leads the Leukemia Maintenance Nutrition Education Program and a clinic nutrition screening effort. She received her Bachelor of Science in Nutritional Sciences from Louisiana State University in Baton Rouge, LA and completed her internship at Baylor University Medical Center in Dallas, TX.

Page updated: September 2017