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Meet the Clinical Nutrition Team

About Our Patient Satisfaction Scores

The Patient Rating score is an average of all responses to care provider related questions on our nationally-recognized Press Ganey Patient Satisfaction Survey.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

Dietitians

  • Clinical Dietitian

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    English

    Biography

    Sydney Antolini, M.S., R.D., L.D., C.S.P.C.C., is a pediatric clinical dietitian in the Neonatal Intensive Care Unit (NICU) at Children's National Hospital. She completed her undergraduate degree in dietetics at the University of Dayton. She went on to earn her master's degree in nutrition and complete her dietitian internship through the University of Mississippi's coordinated program with an emphasis on pediatric nutrition. She is an involved member of Academy of Nutrition and Dietetics (AND) and Pediatric Nutrition Practice Group. She is a board-certified specialist in Pediatric Critical Care (CSPCC).

  • Clinical Dietitian

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    Biography

    Blasine Besore, M.S., R.D., is an inpatient pediatric dietitian at Children’s National Hospital who currently specializes in hematology and oncology. She earned her Bachelor of Science in Dietetics from the University of Florida in 2019 then went on to complete a combined Master of Science in Clinical Nutrition and Dietetic Internship program from Rush University in 2021. She is a member of the Academy of Nutrition and Dietetics (AND) and the Pediatric Nutrition Practice Group.

  • Clinical Dietitian

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    English

    Biography

    Sydney Blakeslee, M.S., R.D., is a clinical dietitian for the General Nutrition Outpatient Clinics and Gastroenterology Division at Children’s National Hospital. She completed a five-year combined Bachelor and Master of Science program at D’Youville College in Buffalo, NY. Sydney obtained her B.S. and M.S. degrees in Dietetics in May of 2019. She became a registered dietitian in July of 2019. She is currently a member of the Academy of Nutrition and Dietetics (AND).

  • Clinical Dietitian

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    Biography

    Christy Bock, M.S., R.D., L.D.N., is an outpatient pediatric dietitian serving the children and families of the multidisciplinary Improving Diet, Energy and Activity of Life (IDEAL) Weight Management Clinic and the surgical bariatric nutrition program. She is a resourceful and personable dietitian who has helped children and adults experience success within weight management, nutrition related illnesses and diseases, as well as conditions associated with poor nutrition. She first earned her undergraduate degree from the University of Wisconsin Stout, then completed her dietetic internship at C.W. Post in Brookville, NY and is currently pursuing her Master's in Nutrition and Dietetics through Central Michigan University's online campus.

  • Clinical Dietitian IV

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    Biography

    Suzanne (aka Suzie) Bruels, M.P.H., R.D., L.D., is an outpatient dietitian working at Children’s National in the Special Immunology clinic working with patients who are living with HIV. She completed her bachelor's degree in food science and nutrition from Central Washington University in Ellensburg, Wa and her dietetic internship at Oregon Health and Science University in Portland, Or. Suzie has a diverse background of work experiences including working as a WIC dietitian and lactation counselor, serving as a Peace Corps volunteer, working with patients living with HIV and five years of overseeing a community kitchen that makes meals from scratch for kids and seniors in need. Recently, Suzie received her Master of Public Health degree from Johns Hopkins Bloomberg School of Public Health. 

  • Clinical Dietitian

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    Biography

    Jessica Cavall, M.S., R.D., currently works as an outpatient dietitian specializing in hematology, oncology, and stem cell transplant. She earned her undergraduate degree as a double major in Communication and Spanish from Rutgers University, her Master of Science in Clinical Nutrition from New York University, and completed her dietetic internship at Virginia Commonwealth University. Her experience includes pediatric oncology and transplant both inpatient and outpatient settings as well as critical care. She is an active member of the Academy of Nutrition (AND) subgroups for both oncology and pediatrics.

  • Lead Inpatient Dietitian

    Pediatric Dietitian Expert

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    English

    Biography

    Sarah Davis, R.D., C.N.S.C., C.S.P., L.D., is a clinical dietitian in the Cardiac ICU as well as the dietitian for the Single Ventricle Taskforce team at Children’s National Hospital. She completed undergraduate training at Missouri State University with a degree in Health Sciences and Nutrition and later completed her didactic requirements at Fontbonne University. Sarah completed her Dietetics Internship at St. Louis University. In addition, she is a board-certified nutrition support clinician and a board-certified specialist in pediatric nutrition. Sarah serves as a member of the Nutrition and Growth Learning Lab for the National Pediatric Cardiology Quality Improvement Collaborative (NPC-QIC).

  • Clinical Dietitian

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    Biography

    Emily Frymark, M.S., R.D.N., L.D.N., works with the Endocrinology and Diabetes team for Children’s National Hospital. She earned both her Bachelor of Science in Food and Nutrition (2015) and her Master of Science in Rural Nutrition (2021) with Appalachian State University in Boone, NC. She completed her Dietetic internship in conjunction with her Master’s degree in Raleigh, NC. Prior to working with Children’s National, Emily worked in an outpatient eating disorder clinic with focus on Intuitive Eating and Health at Every Size. She is currently a member of the Academy of Nutrition and Dietetics (AND).

  • Clinical Dietician

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    English

    Biography

    Elizabeth Haracz, M.S., R.D., is an inpatient dietitian at Children’s National Hospital, covering the hematology, oncology, and neurology units. She completed her undergraduate degree at Virginia Tech with a B.S. in Human Nutrition, Foods, and Exercise. She then completed a combined M.S. in Nutrition Sciences and Dietetic Internship from The University of Alabama at Birmingham (UAB). She also completed a traineeship at the Pediatric Pulmonary Center (PPC) at UAB.  Elizabeth is a member of the Academy of Nutrition and Dietetics (AND).

  • Clinical Dietitian

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    English

    Biography

    DoYeon (Kimberley) Lee, RD, LDN, CNSC is an inpatient clinical dietitian with the Gastroenterology and Intestinal Rehabilitation Services at Children’s National Hospital. She received her Bachelor of Science in Dietetics from the University of Delaware in 2016 and completed her Dietetic Internship in 2018. Kimberley is a certified as a nutrition support clinician. She is currently a member of the Academy of Nutrition and Dietetics and American Society for Parenteral and Enteral Nutrition. 

  • Clinical Dietitian

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    English

    Biography

    Morgane Lemire, R.D., L.D.N., MPPD, is a clinical dietitian at Children’s National Hospital. She completed her undergraduate degree at Pennsylvania State University with a B.S. in Nutritional Sciences in 2017. She then completed her Dietetic Internship and earned her Master of Professional Practice in Dietetics in 2019 from Iowa State University. Morgane started her career at Children’s National in November 2022. She currently works with the gastrointestinal and intestinal rehabilitation team.

  • Clinical Dietitian

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    English

  • Clinical Dietitian II

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    English

    Biography

    Mackenzie Morgan, MPH, RD is a dietitian in the NICU at Children’s National. She completed a B.S. in Health Sciences at Clemson University in 2016 followed by a coordinated MPH/RD program at the University of North Carolina at Chapel Hill in 2019. 

  • Clinical Nutrition Manager

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    Biography

    Nikki Potolicchio, RD, CSP, LD, completed undergraduate training at the College of the Holy Cross with a degree in Psychology and later completed her didactic requirements as well as a Dietetics Internship at the University of Maryland.  She started her career at Children’s National Hospital in 2014 in the Pediatric Intensive Care Unit (PICU) and Bone Marrow Transplant (BMT) unit. She worked in those departments for 8.5 years.  Nikki became the Inpatient Lead Dietitian in 2020 and then became the Clinical Nutrition Manger in 2023. 

  • Clinical Dietitian

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    Sara Preisendanz, M.S., R.D., L.D., completed undergraduate training at Clarkson University with a degree in BioMolecular Science and later fulfilled didactic requirements at New York University. She completed her Dietetic Internship and earned her Master's Degree in Nutrition from Texas Woman's University. As a clinical dietitian she has worked in the intensive care unit (ICU), renal and liver transplant, oncology, bariatrics and many others. Most recently, she provided nutrition assessment and education for families of children with inborn errors of metabolism. She enjoys problem-solving and developing achievable diet plans and goals for families of children with complicated nutrition needs.

  • Clinical Dietitian

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    Sabrina Riordan, RDN, is a staff relief dietitian at Children’s National Hospital. She earned her bachelor of science in nutrition and food science with a concentration in Dietetics from University of Maryland, College Park. She then went on to complete her dietetic internship at University of Virginia Health System, which specialized in pediatrics and nutrition support. Sabrina is also a member of the Academy of Nutrition and Dietetics (AND) and the Maryland Academy of Nutrition and Dietetics (MAND).

  • Clinical Dietitian

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    Sarah Roberts, M.S., R.D.N., L.D.N., works with the Endocrinology and Diabetes team for Children’s National Hospital. She completed her undergraduate degree at the University of South Carolina with a B.S. in Exercise Sciences in 2018. She went on to earn her M.S. in Nutrition and complete her Dietetic Internship through Boston University’s combined DPD/MS/DI program in 2022. She is currently a member of the Academy of Nutrition and Dietetics (AND).

  • Clinical Dietitian

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    English

  • Clinical Dietitian

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    English

    Biography

    Kristen Sgambat, Ph.D., R.D., is a registered dietitian nutritionist and has provided medical nutrition therapy to children with kidney disease at Children’s National Hospital since 2002. She received her Ph.D. in nutrition from the University of Maryland and is currently a Clinical Assistant Professor in the Division of Nephrology. Her studies have focused on cardiovascular outcomes in children with CKD and after kidney transplant, as well as effects of carnitine supplementation on cardiovascular function in children receiving HD and CRRT.

  • Clinical Dietitian

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    English

    Catherine Slomka, MS, RD, LD is an outpatient dietitian in the Adolescent Medicine Division, specializing in Eating Disorders. She completed her masters degree and dietetic internship at Loma Linda University. Catherine is a former professor for Point Loma Nazarene University and is also a member of the Academy of Nutrition and Dietetics.

  • Clinical Dietitian

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    English

    Biography

    Alyssa Tucker, M.S., R.D., L.D., C.L.C., C.N.S.C., is a pediatric clinical dietitian in the Neonatal Intensive Care Unit (NICU) at Children’s National Hospital. She completed her undergraduate training at the University of Mississippi. She went on to earn her Master’s degree in nutrition and complete her dietitian internship through the University of Mississippi’s coordinated program. She is an involved member of the American Society for Parenteral and Enteral Nutrition (ASPEN) and the Academy of Nutrition and Dietetics (AND). She is a Board-Certified Nutrition Support Clinician (CNSC) and a Certified Lactation Counselor (CLC).

  • Pediatric Dietitian Expert

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    Siobhan Vogel, M.S., R.D., C.S.P., L.D., is a clinical dietitian for the Cardiac ICU as well as one of the dietitians for the ketogenic diet, neurology services and neurosurgery services at Children’s National Hospital. She completed undergraduate training at University of South Carolina with a degree in Exercise Science and later completed her didactic requirements at Winthrop University. Siobhan completed her Dietetics Internship at Winthrop University. In 2015 she completed her Master's in Human Nutrition online through Northeastern University. She is a board-certified specialist in pediatric nutrition.

  • Clinical Dietitian

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    Biography

    Rebecca Wilson, R.D., L.D.N., is a clinical registered dietitian for the Neonatal Intensive Care Unit (NICU) at Children’s National Hospital. She completed her degree in Food and Nutrition from the University of Alabama in 2017 and went on to complete her dietetic internship at the University of Maryland, College Park in 2018. Rebecca is a member of the Academy of Nutrition and Dietetics and the Pediatric Nutrition Practice Group. She has completed her certificate of training in Childhood and Adolescent Weight Management and is in the process of obtaining her Certified Lactation Consultant (CLC) Certification.

  • Pediatric Dietitian Specialist II

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    Allison Wiseman, R.D., C.D.E., L.D., is a clinical dietitian in the Cystic Fibrosis Clinic. She has been at Children’s National Hospital since 2012. She completed her undergraduate degree in Nutrition Sciences at Syracuse University. She completed her dietetic internship at New York Presbyterian. She is a Certified Diabetes Educator and has worked alongside the Diabetes team to open the Cystic Fibrosis Related Diabetes Clinic. She continues to research the correlation between blood glucose control and lung function.