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Gerard Berry

M.D., FACMG

Director, Metabolism Program

Boston Children’s Hospital Harvey Levy Chair in Metabolism

Boston Children’s Hospital Professor of Pediatrics

Harvard Medical School

Dr. Berry is the Harvey Levy Chair in Metabolism at the Boston Children’s Hospital, and Professor of Pediatrics at the Harvard Medical School. He is the Director of the Metabolism Program at BCH, and the Harvard Medical School Biochemical Genetics Training Program. He received an MD degree from the Jefferson Medical College and completed his residency in pediatrics at the Thomas Jefferson University Hospital in 1978. He then began a combined fellowship in biochemical genetics and pediatric endocrinology at the Children’s Hospital of Philadelphia, and joined the faculty of the University of Pennsylvania School of Medicine as an Assistant Professor of Pediatrics in 1981. Dr. Berry was promoted to Professor of Pediatrics in 1995. He was the recipient of the 2004 Emmanuel Shapiro SIMD Award. Dr. Berry is the president of the Society for Inherited Metabolic Disorders (“SIMD”). He is also co-chair of the Undiagnosed Disease Network‘s Metabolomics Working Group.

Gerard Berry

M.D., FACMG

Director, Metabolism Program

Boston Children’s Hospital Harvey Levy Chair in Metabolism

Boston Children’s Hospital Professor of Pediatrics

Harvard Medical School

Dr. Berry is the Harvey Levy Chair in Metabolism at the Boston Children’s Hospital, and Professor of Pediatrics at the Harvard Medical School. He is the Director of the Metabolism Program at BCH, and the Harvard Medical School Biochemical Genetics Training Program. He received an MD degree from the Jefferson Medical College and completed his residency in pediatrics at the Thomas Jefferson University Hospital in 1978. He then began a combined fellowship in biochemical genetics and pediatric endocrinology at the Children’s Hospital of Philadelphia, and joined the faculty of the University of Pennsylvania School of Medicine as an Assistant Professor of Pediatrics in 1981. Dr. Berry was promoted to Professor of Pediatrics in 1995. He was the recipient of the 2004 Emmanuel Shapiro SIMD Award. Dr. Berry is the president of the Society for Inherited Metabolic Disorders (“SIMD”). He is also co-chair of the Undiagnosed Disease Network‘s Metabolomics Working Group.

Recent Publications

Bone mineral density in participants with phenylalanine hydroxylase (PAH) deficiency: a report from the PHEFREE rare disorders consortium

Published On 2026 Aug 26

Journal article

Low bone mineral density (BMD) in individuals with phenylketonuria (PKU) due to phenylalanine hydroxylase (PAH) deficiency has been variably reported in the medical literature, but the clinical significance of this observation has been uncertain. We measured BMD in a cross-sectional cohort of 117 individuals with PAH deficiency between 6.2 and 56.8 years age who participate in the PHEFREE Consortium Longitudinal Natural History Study. 49% of children under age 18 years and 26% of adults were...


"It didn't feel like anything unusual because we had already been through so much": Disability-related research experiences of families with children enrolled in the undiagnosed diseases network

Published On 2026 Jul 13

Journal article

CONCLUSION: Parents of children in the UDN make considerable investments of time and resources to accommodate their children's disabilities and facilitate their participation. Future research should explore these issues in other genomics research studies and identify practical approaches to mitigating barriers to and employing facilitators of disability-related research participation.