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Meet the Rare Disease Institute Team



Genetic Counselors


  • Director, Metabolic Nutrition


    Languages Spoken



    Erin MacLeod, Ph.D., RD, LD, completed her doctoral training at the University of Wisconsin in 2010 where her dissertation focused on the nutritional management of phenylketonuria. She joined Children’s National Hospital that same year and is the director of metabolic nutrition. Her research interests include nutrition education of metabolic disorders, PKU and urea cycle disorders.

  • Languages Spoken



    Nina Mickle earned her Master's of Nutrition from Hunter College in 2018. While completing her coursework, Nina developed a passion for metabolism after volunteering at the Mount Sinai metabolism clinic and seeing the impact metabolic dietitians had on their patients. Following graduation, Nina completed her dietetics training at the NIH Clinical Center in 2019, which included a rotation at Children’s National’s Hospital Genetics and Metabolism Clinic. Nina worked as an inpatient clinical dietitian at Children’s National from 2019-2021, with specific focus on patients with complex care needs. Now, her role as a Metabolic Dietitian at CNRIC feels like coming home.

  • Locations

    Languages Spoken



    Danielle Starin, RD, completed her nutrition education at the University of Maryland and her dietetic internship at the National Institutes of Health. She joined the Children’s National Rare Disease Institute in 2016. Her clinical interests focus on metabolic disorders. Her research interests focus on dietary treatment of metabolic disorders and associated outcomes.

Physician Assistants


Care Team Professionals

Nursing Team

Administrative Staff