Bio
Mary Leonard, MD, MSCE, is the Arline and Pete Harman Professor and Chair of the Department of Pediatrics at Stanford University School of Medicine and the Adalyn Jay Physician in Chief at Lucile Packard Children's Hospital Stanford. She assumed these positions on July 1, 2016.
Energetic and collaborative, Dr. Leonard is a compassionate clinician and researcher who cares deeply about improving the health and well-being of children everywhere. A graduate of the Stanford University School of Medicine, Mary returned to Stanford Medicine in 2014 after spending 25 years at the Children’s Hospital of Philadelphia and the University of Pennsylvania. At Stanford, her multi-disciplinary research program is focused on the impact of chronic diseases on bone metabolism and nutrition across the life span. Mary directs the innovative and trans-disciplinary child and maternal health research and training initiatives of the Stanford Child Health Research Institute.
Mary is a distinguished investigator, an expert clinician, and a respected mentor who embodies the academic and integrated mission of Stanford Medicine. A member of the Precision Health Committee, she is committed to Stanford Medicine’s vision of proactive and personalized health care and has been at the forefront of efforts to integrate Precision Health approaches and skills into our training programs.
Clinical Focus
- Pediatric Nephrology
Academic Appointments
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Professor, Pediatrics - Nephrology
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Professor, Medicine - Nephrology
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Professor (By courtesy), Epidemiology and Population Health
Administrative Appointments
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Member, Stanford Diabetes Research Center, Stanford University (2017 - Present)
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Chairman of Pediatrics, Stanford University (2016 - Present)
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Physician-in-Chief, Lucile Packard Children's Hospital (2016 - Present)
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Director, Maternal and Child Health Research Institute at Stanford, Stanford University (2016 - Present)
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Co-Leader, Spectrum Child Health, Stanford University (2014 - Present)
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Associate Dean, Maternal and Child Health Research, Stanford University (2015 - 2016)
Honors & Awards
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Member, Academic Pediatric Association (2017-)
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Member, Association of Medical School Pediatric Department Chairs (2016-)
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Member, American Society of Clinical Investigation (2008 -)
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Member, Society for Pediatric Research (2003 -)
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Faculty Mentor Award, The Children's Hospital of Philadelphia (2007)
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Young Investigator Award, American Society of Transplantation (1999)
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Teaching Fellow of the Year, The Children's Hospital of Philadelphia (1993)
Boards, Advisory Committees, Professional Organizations
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Co-Chair, Kidney Disease Improving Global Outcomes in CKD Metabolic Bone Disease (2014 - Present)
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Co-Chair, International Society of Clinical Densitometry Pediatric Consensus Guidelines (2013 - 2014)
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Councilor, American Society of Pediatric Nephrology (2010 - 2014)
Professional Education
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Medical Education: Stanford University School of Medicine (1989) CA
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Residency: Children's Hospital of Philadelphia Pediatric Residency PA
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Internship: Children's Hospital of Philadelphia Pediatric Residency PA
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Fellowship: Childrens Hospital of Philadelphia Nephrology Fellowship PA
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Board Certification: American Board of Pediatrics, Pediatric Nephrology (1997)
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MSCE, University of Pennsylvania, Clinical Epidemiology (1997)
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Fellow, The Children's Hospital of Philadelphia, Pediatric Nephrology (1995)
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Resident, The Children's Hospital of Philadelphia, Pediatrics (1992)
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MD, Stanford University (1989)
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BS, Northwestern University, Chemistry (1984)