Lori M. Laffel is Chief of the Pediatric, Adolescent and Young Adult Section at the Joslin Clinic, and a Senior Investigator, Head in the Section on Genetics and Epidemiology at the Joslin Diabetes Center, as well as a Professor of Pediatrics at Harvard Medical School.

Under Dr Laffel's leadership, the pediatric program at Joslin has quadrupled in size and is now recognized worldwide as a major pediatric diabetes center for clinical care and research. She is the Co-Principal Investigator and Program Director for the NIH-funded Joslin and Boston Children's Hospital Early Career Development training grant for pediatric endocrinologists entering the field of diabetes research.

She is actively involved with the American Diabetes Association (ADA), as a member of the Boston Leadership Board, a previous member of the National Board of Directors of the ADA and the National ADA Committee for Professional Practice Guidelines, Chair of the ADA's Working Group on Transitions in Care for Young Adults with Diabetes, and past Chair of ADA's Youth Strategies Committee. She has also been a member of the Advisory Board of the International Society of Pediatric and Adolescent Diabetes and a member on the Clinical Advisory Committee for the JDRF. She was the Co-editor on the recently published ADA-JDRF Sourcebook on Type 1 Diabetes through the Lifespan and a co-author of the ADA Position Statement on Type 1 Diabetes across the Lifespan. Dr Laffel was named the ADA's 2015 Clinician of the Year, an honor bestowed annually upon a single diabetes clinician globally.

Dr Laffel lectures at undergraduate and graduate levels, and serves as an invited speaker at local, national, and international meetings, in areas of pediatric diabetes, childhood obesity, behavioral and outcomes research, and the assessment and translation of new technologies in diabetes. She is Principal Investigator on multiple clinical research projects, with grants from NIH, foundations, and industry. She also contributes to the peer-review process for journals and grant applications for national and international societies, and is an Associate Editor for Diabetic Medicine. Dr Laffel received her medical degree from the University of Miami School of Medicine, and her master's degree in Public Health from the Harvard School of Public Health. She completed her pediatric training at Boston Children's Hospital and her fellowship training at Boston Children's Hospital and the Joslin Diabetes Center.