Dr. Rosner is an Associate Professor of Medicine and an informaticist and digital health researcher in the Center for Clinical Informatics and Improvement Research (CLIIR).

Dr. Rosner is a nationally recognized researcher and entrepreneur in digital with a focus on patient generated health data (PGHD). Between 2008-2010, Dr. Rosner worked in health economics and outcomes research as a Medical Director at Archimedes, Inc., performing in silico clinical trials, publishing in the peer-reviewed literature, and influencing policy and clinical practice guidelines. Between 2011-2018, he was the founding Chief Medical Information Officer of a digital patient engagement company where he created automated remote patient guidance and monitoring technologies. In that capacity, he worked with C-suite health system leaders throughout the country, and top leadership at the Centers for Medicare & medicaid Services. He was the lead author of CMS' Merit Based Incentive Payment System's Improvement Activity IA-BE-14, Engage Patients and Families to Guide Improvement in the System of Care. Dr. Rosner also led the Patient Engagement and Empowerment Reporting national consortium to develop quality measures associated with engaging and empowering the patient.

Dr. Rosner serves as a digital health medical advisor to several nationally digital health not-for-profit organizations, and continues to work in policy related to digital health. His research at UCSF involves evaluation of digital health tools, understanding user behavior through the audit logs of the electronic health records, and using digital health tools to improve patient engagement and the pillars of the quadruple aim.

Dr. Rosner holds a PhD in Chemical Engineering from the University of Minnesota and spent a decade as a part time Hospitalist at Kaiser Permanente prior to joining UCSF.