Department of Medicine appoints two senior vice chairs

Andrew Hoffman and Ann Weinacker will strengthen ties between the Department of Medicine and other units within Stanford Medicine.

Andrew Hoffman

Professors of medicine Andrew Hoffman, MD, and Ann Weinacker, MD, have been named senior vice chairs in the Department of Medicine.

The appointments are part of an effort to strengthen relationships between the Department of Medicine and other organizations and departments within Stanford Medicine, according to Robert Harrington, MD, chair of the department and the Arthur L. Bloomfield Professor of Medicine.

Ann Weinacker

Hoffman, an endocrinologist, will be the senior vice chair for academic affairs. He will work to bridge the department’s research and education endeavors and others under way at the School of Medicine. 

Weinacker, a pulmonologist and critical-care specialist who serves as the associate chief medical officer of patient care services at Stanford Health Care, will be the senior vice chair for clinical operations. She will represent the department on clinical issues and collaborate with Stanford Health Care.

Stanford Medicine integrates research, medical education and health care at its three institutions - Stanford University School of Medicine, Stanford Health Care (formerly Stanford Hospital & Clinics), and Lucile Packard Children's Hospital Stanford. For more information, please visit the Office of Communication & Public Affairs site at

Leading in Precision Health

Stanford Medicine is leading the biomedical revolution in precision health, defining and developing the next generation of care that is proactive, predictive and precise. 

A Legacy of Innovation

Stanford Medicine's unrivaled atmosphere of breakthrough thinking and interdisciplinary collaboration has fueled a long history of achievements.