School of Medicine
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Associate Professor (Research) of Surgery (Health Services Research Unit)
Bio Todd Wagner is an Associate Professor in the Department of Surgery at Stanford University. He studies health information, efficiency and value, and health care access. He is particularly interested in developing learning health care systems that provide high value care. In addition to his role at Stanford, he Directs the Health Economics Resource Center and is the Associate Director for the Center for Innovation to Implementation, both at the Palo Alto VA. He also co-directs the VA/NCI Big Data Fellowship.
Associate Professor of Surgery (Pediatric Surgery) and, by courtesy, of Bioengineering
Current Research and Scholarly Interests Health Technology Innovation
Irene Wapnir, MD
Professor of Surgery (General Surgery)
Current Research and Scholarly Interests Clinical trials in operative procedures such as Nipple-sparing mastectomy, arm lymphatic mapping, skin perfusion and Treatments for Breast Cancer, especially local recurrence. Dr. Wapnir is institutional Principal Investigator and Chair for National Surgical Adjuvant Breast and Bowel Project (NSABP) clinical trials. Laboratory and translational research includes exploring the activity of breast iodide transporter in breast cancer brain metastasis.
Thomas G Weiser, MD, MPH
Clinical Associate Professor, Surgery - General Surgery
Bio Dr. Thomas Weiser is a general and trauma surgeon, and surgical intensivist. He treats and cares for injured patients and those with acute surgical emergencies as well as manages critically ill surgical patients in the Intensive Care Unit.
His research is focused on evaluating the role surgical care plays in the delivery of health services in resource poor settings, in particular low and middle income countries. He is interested in barriers to access and provision of surgical care, the quality of surgical services, and outcomes research as well as the science of implementation, how improvements can be made, and how to strengthen compliance with best practices and change behaviors for the better. He also has an interest in domestic policy as it relates to trauma outcomes, trauma systems, insurance coverage and costs of care, and firearm violence.
Dr. Weiser's current projects focus on the quality of surgical care and strategies for improving the safety and reliability of surgical delivery in resource poor settings. He is the Consulting Medical Officer for Lifebox, a nonprofit focused on improving surgical and anesthetic safety worldwide. Lifebox delivers programs throughout the world in combination with local partners including individual professionals, professional societies, hospitals, other NGOs, and ministries of health. Lifebox works with hospitals in Ethiopia, Liberia, Madagasgar, India, Honduras, and Nicaragua, amongst others, to improve care and evaluate the impact of our work. A few programs of particular impact are the distribution of low cost devices to improve the safety of care (including pulse oximeters for the routine monitoring of patients undergoing anesthesia and a new surgical headlight program) and Clean Cut, a surgical infection prevention and control program now being introduced in several countries.
He has been involved in surgical program assessment projects in numerous countries. From 2006-2009, he was part of the World Health Organization?s Safe Surgery Saves Lives program where he quantified the global volume of surgery and created, implemented, evaluated, and promoted the WHO Surgical Safety Checklist. He has worked with the WHO and the World Bank, and is currently the recipient of a Gates Grand Challenge grant to improve the safety of cesarean section in Ethiopia.
Professor (Teaching) of Surgery (Anatomy)
Current Research and Scholarly Interests The development of better regimes for teaching Anatomy using Cadavers.
Sherry M. Wren, MD, FACS, FCS(ECSA)
Professor of Surgery (General Surgery)
Current Research and Scholarly Interests Our research interests are primarily in global surgery,robotics,surgical oncology, especially gastrointestinal cancers.