Eating Disorders

Meet Our Team

Jasmine Reese, M.D. Adolescent Medicine

Dr. Reese is the director of the Adolescent and Young Adult Specialty Clinic within the Division of General Pediatrics and Adolescent Medicine. She is also the adolescent medicine rotation director for the pediatric residency program. She joined the Johns Hopkins All Children's medical staff in 2016 and serves as a full-time assistant professor of pediatrics in the Johns Hopkins University School of Medicine. Dr. Reese’s clinical interests include reproductive health and mental health, and her research focuses are medical education and curriculum development in adolescent mental health and depression. She is an active member of the Society for Adolescent Health and Medicine, where she also serves as the secretary for the southeast United States region.
View Jasmine’s Bio

Sarah Stromberg, Ph.D. Psychiatry / Psychology

Dr. Stromberg is a pediatric psychologist in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. She joined the hospital staff in 2019. In her role, Dr. Stromberg sees patients in the weight management and eating disorder clinics and provides weekly therapy for patients with disordered eating, body dissatisfaction, weight management concerns and psychological conditions.
View Sarah’s Bio

Brenna Denhardt, R.D., L.D./N

Brenna Denhardt, R.D., L.D./N Clinical Dietitian

Brenna is a clinical dietitian at Johns Hopkins All Children’s Hospital. She joined the hospital staff in June 2017. Brenna works with children and families providing nutrition education and interventions for many types of illnesses, including obesity, eating disorders, gastrointestinal disorders, malnutrition and kids with feeding tubes. Before joining Johns Hopkins All Children’s, Brenna worked as a clinical dietitian at a hospital in Missoula, Montana focusing on oncology nutrition. Brenna completed her undergraduate studies in nutrition and dietetics at Purdue University in West Lafayette, Indiana, and her dietetic internship at Montana State University in Bozeman, Montana. During her internship, she explored a variety of areas of nutrition, including food service, clinical nutrition and community nutrition.


Rebekah Diaz, LCSW

Rebekah Diaz, LCSW Clinical Social Worker

Rebekah Diaz is a clinical social worker in the General Pediatrics and Adolescent Medicine Clinic. In her role, Diaz conducts psychosocial assessments, provides support and interventions for families who are experiencing hardships and ensures patients’ and families’ needs are being met and the best care is being provided. Before joining Johns Hopkins All Children’s Hospital, Diaz worked as a therapist for children and adolescents who had experienced trauma. She also has experience working as an applied behavior analysis therapist for children with an autism diagnosis. Rebekah received her B.A. in Psychology and Health Communication and her Master’s degree in social work.


Sade Campbell

Sade Campbell Patient Service Representative

Sade Campbell is a patient service representative in the General Pediatrics and Adolescent Medicine Clinic and is the scheduling coordinator for the Eating Disorders Clinic. She joined the hospital staff in 2013. In her role, Campbell ensures patients and families are scheduled correctly and in a timely manner.


Nicholaos Gigintzis

Nicholaos Gigintzis Advanced LPN

Niko is an advanced LPN in the Adolescent and Young Adult Specialty Clinic at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2019 and has been an integral member of the various child and adolescent programs within the department of pediatrics and adolescent medicine. His roles as a licensed practical nurse in our teen specialty clinic as well as our eating disorder program are to provide direct patient care and enhance communication with teens, families and the medical team. Niko has several years of experience in the nursing field practicing at various health care facilities throughout Florida. He is passionate about working with teens and young adults and excels at providing comprehensive and compassionate care. Niko has worked extensively with youth through various programs of the YMCA including experience as a certified lifeguard as well as over 480 hours volunteering as a youth counselor.