Her research has focused on testing new approaches for diagnosing and treating diabetes and developing systems of care to improve outcomes in diabetic populations. She has published over 200 articles, reviews, and abstracts and three books on diabetes. She has been an investigator on over 40 research studies and has spoken at over 400 programs throughout the US as well as internationally. She has served on many committees for the ADA and other organizations. Currently she is the chair of the Endocrine Society Committee on Diabetes Devices and is on the EASD/ADA Technology Safety Committee. Additionally she is a member of the JDRF Panel on Management of Exercise in Type 1 Diabetes. She is a member of the ABIM Endocrinology Subspecialty Board. She consults for many entities, including the FDA, Optum Rx and CVS/Caremark to help guide the development and use of treatments for diabetes.