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Meet the Clinical Nutrition Team

Dietitians

  • Assistant Director, Clinical Nutrition

    Languages Spoken

    English

    Biography

    Jessica McGee MS, RD, CSP-CC, CNSC, LD is the Assistant Director of Clinical Nutrition. She completed undergraduate training at Bridgewater College in Nutrition and Wellness. Jessica completed her Masters of Science in Health Sciences from James Madison University and completed her dietetic internship at University of Virginia.

    She’s worked at Children’s National Hospital since 2010 in the areas of GI, surgery, inborn errors of metabolism and CICU. She was promoted to manager of the nutrition program in 2014. Jessica believes in the power of food as medicine and specialized in CICU nutrition.

    Jessica was elected by peers to the Academy of Nutrition and Dietetics Pediatric Nutrition Practice Group Nominating Committee. She sits on the Commission for Dietetic Registration Certified Specialist in Pediatric Critical Care (CSP-CC) Nutrition Exam Writing Committee.

  • Languages Spoken

    English

    Biography

    Kayla Bergman is a pediatric clinic dietitian. She completed undergraduate training at the University of Wisconsin-Madison with Bachelor of Science degrees in genetics and dietetics. Kayla completed her dietetic internship at Saint Louis University with an emphasis in pediatrics. She went on to receive her Master’s degree from Saint Louis University in medical dietetics. In addition, she is a board- certified specialist in pediatric nutrition and a certified health coach. Kayla has worked in a variety of clinical setting over her career including adult critical care, inpatient rehabilitation and inpatient and outpatient pediatrics. Kayla currently focuses on pediatric critical care, metabolic disorders and pediatric malnutrition.

  • Locations

    Languages Spoken

    English

    Biography

    Sydney Blakeslee is a clinical dietitian at Children’s National. She completed a five-year combined Bachelor and Master of Science program at D’Youville College in Buffalo, NY. Sydney obtained her BS+MS degree in Dietetics in May of 2019. She became a registered dietitian in July of 2019. Currently, she is the full-time outpatient clinical dietitian. Her interests lie in pediatric weight management and promoting optimal nutritional health. She is currently a member of the Academy of Nutrition and Dietetics (AND). Sydney hopes to one day be a board-certified Specialist in Pediatric Nutrition (CSP) as well as become certified in Childhood and Adolescent Weight Management. She looks forward to continuing and expanding her knowledge in all areas of pediatric nutrition.

  • Lead Outpatient Dietitian

    Languages Spoken

    English

    Biography

    Angela Boadu is the lead outpatient pediatric dietitian at Children's National. Angela has helped patients and families tackle the complexities of childhood obesity and related complications including diabetes, fatty liver disease and heart disease. She primarily treats patients in the multidisciplinary Improving Diet, Energy and Activity of Life (I.D.E.A.L.) Weight Management Clinic and works with the surgical team at Children's National to address the eating patterns of bariatric patients throughout their health journey. Angela also works in the hospital’s general nutrition clinic addressing concerns of malnutrition, food allergies, poor weight gain, selective eating, lipid metabolism and general nutrition inquiries.

    She is a member of the Academy of Nutrition and Dietetics and its Weight Management Dietetic Practice Group.

  • Languages Spoken

    English

    Biography

    Hayden Chung is a clinical dietitian at Children’s National. She completed undergraduate training at Cornell University with a Bachelor of Science in Nutritional Sciences in 2016. In May 2018, Hayden completed her Masters in Food and Nutritional Sciences and dietetic internship through Ohio University’s Combined Master of Science and Dietetic Internship program. She became a registered dietitian in July 2018. Currently, she is the full-time intestinal rehab dietitian. Her interests lie in gastrointestinal disorders and neonatal care. She is currently a member of the Academy of Nutrition and Dietetics (AND).

  • Languages Spoken

    English

    Biography

    Macy Coleman is a pediatric clinical dietitian at Children’s National. She completed undergraduate training at Arizona State University with a Bachelor’s Degree in Nutrition and Dietetics. Macy completed a dietetic internship at the Veterans Affairs San Diego Medical Center in May of 2015. Macy came to Children’s National in July 2018 to pursue a passion in pediatric gastrointestinal health. She is an involved member of the Academy of Nutrition and Dietetics, American Society for Parenteral and Enteral Nutrition (ASPEN), and The Dietitians in Integrative and Functional Medicine practice group. She has an invested interest in discovering new nutrition related research involving products, technologies and clinical findings. She most recently became a Board Certified Nutrition Support Clinician (CNSC) with a goal of becoming Board Certified as a Specialist in Pediatric Nutrition (CSP) in the upcoming future.

  • Languages Spoken

    English

    Biography

    Kirsten Cook is a registered dietitian in the Neonatal Intensive Care Unit at Children’s National. She completed her undergraduate training at The Pennsylvania State University with a Bachelor’s Degree in Nutritional Sciences and Dietetics. Kirsten completed her Dietetic Internship at The University of Virginia Health System (UVAHS). During her time at UVAHS, she enjoyed presenting her abstract, The Nutrition Adequacy of Preterm Infants During the First Week of Life, at The Virginia Academy of Nutrition and Dietetics Conference and The Pediatric Nutrition Practice Group Joint Symposium. Kirsten is a member of The Academy of Nutrition and Dietetics and The Pediatric Nutrition Practice Group. She looks forward to obtaining her Certified Nutrition Support Clinician (CNCS) credentials in the near future.

  • Languages Spoken

    English

    Biography

    Sarah is a clinical dietitian in the Cardiac ICU as well as the dietitian for the Single Ventricle Taskforce team at Children’s National. 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). Sarah has a special interest in identifying, documenting, and treating pediatric malnutrition and has spoken on the topic to colleagues at Children’s National, to Morrison dietitians via webinar, and at the Morrison Pediatric Nutrition Symposium.

  • Languages Spoken

    English

    Biography

    Julia Jankowski is a pediatric dietitian nutritionist for the Children’s National. She completed undergraduate training at West Chester University of Pennsylvania with a Bachelor of Science in Human Nutrition and Dietetics and a minor in Psychology. Julia completed her dietetic internship with the Veterans Affairs Healthcare System. She is a member of the Academy of Nutrition and Dietetics and earned her certificate of training in childhood and adolescent weight management from the Commission on Dietetics Registration. Julia provides monthly weight management cooking classes that focus on education and learning as well as cooking and shopping skill building. She is currently participating in Children’s National ‘Mindful Mentor’ training program and serves as a dietetic intern preceptor. Julia specializes in motivational interviewing and lifestyle adjustments within a multidisciplinary team to improve the health of her patients. Julia primarily works to improve chronic conditions including diabetes, obesity, hyperlipidemia, hypertension, fatty liver disease and counsels patients undergoing bariatric surgery.

  • Languages Spoken

    English

    Biography

    Hannah Leu is a pediatric clinical dietitian at Children’s National. She attended The Ohio State University, and graduated with a bachelor’s degree in Human Nutrition and Dietetics, with a minor in Sociology. Hannah completed her Dietetic Internship at Johns Hopkins Bayview Medical Center following university. In addition, she is a Board Certified Nutrition Support Clinician and a Board Certified Specialist in Pediatric Nutrition. Hannah is the dietitian for the inpatient and outpatient Hematology and Oncology patients in the Center for Cancer and Blood Disorders.

  • Languages Spoken

    English

    Biography

    Victoria Mullen is a clinical dietitian at Children’s National. She completed undergraduate training at Purdue University with a Bachelor of Science in Dietetics. In May 2018, Victoria completed her dietetic internship through Purdue University’s Coordinated Program in Dietetics. She became a registered dietitian in June 2018. Currently, she works as a staff relief dietitian. Victoria enjoys getting to work with the interdisciplinary teams in various specialties of the hospital. She has particular interest in gastrointestinal disorders and intensive care medicine. She is currently a member of the Academy of Nutrition and Dietetics. Victoria hopes to one day be board certified in Nutrition Support (CNSC), as well as become a board certified Specialist in Pediatric Nutrition (CSP). She looks forward to continuing to expand her knowledge in all areas of pediatric nutrition.

  • Languages Spoken

    English

    Biography

    Olivia Munger is the outpatient dietitian for Ryan White HIV Services at Children’s National. She completed undergraduate training and the nutrition internship at UT Southwestern School of Health Professions. She specializes in promoting healthy behavior changes and designing programs that encourage smarter eating choices, biometric improvement and weight management. In addition to two years spent as a health coach, she has over three years of experience creating and delivering a variety of group education classes such as children’s summer camps and a ten-class healthy lifestyle program for families. At Children’s National Health System focus she focuses on the nutritional needs of HIV-positive children by performing nutrition in-clinic nutrition assessment and education, connecting food-insecure patients with community resources and holding monthly cooking classes.

  • Pediatric Dietitian Specialist II

    Languages Spoken

    English

    Biography

    Nicole Potolicchio is a clinical dietitian in the Pediatric Intensive Care Unit (PICU) as well as the Bone Marrow Transplant (BMT) unit at Children’s National. She completed undergraduate training as well as an dietetics internship at the University of Maryland. Nicole is a board-certified Nutrition Support Clinician. She is interested in nutrition as it relates to critical care. She has been in her current role since 2014 and has been involved in multiple projects to update standards of practice within these areas.

  • Languages Spoken

    English

    Biography

    Rachel Silverman is a clinical dietitian at Children’s National. She completed undergraduate training at George Mason University with a Bachelor of Science in Health Science and a minor in Nutrition. Rachel received her Master of Science at New York University and completed her dietetic internship at NYU Langone Medical Center in New York City. She became a registered dietitian in March 2017. She currently works in outpatient oncology and bone marrow transplant (BMT) clinics, as well as the child and adolescent clinics and IDEAL clinic. She enjoys working with the oncology and BMT population as her primary interest area. Rachel is currently a member of the Academy of Nutrition and Dietetics.

  • Languages Spoken

    English

    Biography

    Rebecca Vander Veer is a dietitian in the neonatal intensive care unit. She completed her undergraduate training at Samford University with a Bachelor of Science Fellow degree in Nutrition & Dietetics. She went on to complete her dietetic internship at the University of Virginia, focusing in pediatrics and nutrition support. Rebecca is board certified in nutrition support and is also a certified lactation counselor. Rebecca enjoys educating other healthcare team members about neonatal nutrition. Along with the other NICU dietitians on her team, she regularly provides NICU nutrition education to pediatric medical residents and NICU nurses. She has also given neonatal nutrition presentations to pharmacists, surgeons, neonatology fellows and dietetic interns.

  • Languages Spoken

    English

    Biography

    Siobhan Vogel is a clinical dietitian in the Cardiac ICU as well as one of the dietitians for the ketogenic diet, neurology services and neurosurgery services at Children’s National. 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 Masters in Human Nutrition online through Northeastern University. In addition, she is a Board Certified Specialist in Pediatric Nutrition.

  • Languages Spoken

    English

    Biography

    Kathleen Walters, RDN, LDN, is an outpatient dietitian. She completed an undergraduate degree in Political Science and Spanish at the University of Notre Dame and an undergraduate degree in Food and Nutrition at the University of Alabama. She completed her dietetic internship at Virginia Tech University. In addition to working in the GI Clinic with patients with IBD, IBS, hepatic steatosis, tube feedings, blenderized tube feedings, constipation, failure to thrive, FPIES and gastroparesis, she also works as part of the Feeding Team Clinic, EoE Clinic and Celiac Clinic. Kathleen is a member of the Academy of Nutrition and Dietetics, Virginia Academy of Nutrition and Dietetics, Integrative and Functional Medicine Dietetic Practice Group, and Weight Management Dietetic Practice Group. She completed the Certificate of Training in Childhood and Adolescent Weight Management.

  • Languages Spoken

    English

    Biography

    Rebecca is a dietitian in the Neonatal Intensive Care Unit at Children’s National Medical Center. She began her career at Children’s in August 2018 leading General Nutrition Outpatient Clinics across the DC-Metro area as well administering medical nutrition therapy as part of the health care team in the Cardiac Neurodevelopmental Outcome Program and IDEAL Clinic under the Obesity Program.

    She completed her second Bachelor’s 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 holds her first Bachelor’s degree in Marketing with a minor in Biology from the University of Tulsa.

    Rebecca is a member of the Academy of Nutrition and Dietetics and has completed her certificate of training in Childhood and Adolescent Weight Management. Rebecca specializes in motivational interviewing techniques and believes that exploring and resolving barriers to nutrition is essential for initiating behavior change and improving the health outcomes of her clients.

  • Pediatric Dietitian Specialist II

    Languages Spoken

    English

    Biography

    Allison Wiseman is a clinical dietitian in the Cystic Fibrosis Clinic. She has been at Children’s National Health System 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.

    Allison recently completed a three-year term on the exam writing committee of the Certified Diabetes Educator exam.

    Allison has a special interest in cystic fibrosis-related diabetes. She 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.