School of Medicine
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Visiting Professor, Surgery - General Surgery
Bio Katarzyna Wac, Associate Professor of Computer Science
Quality of Life technologies lab, Center for Informatics, University of Geneva, Switzerland
Human-Centric Computing Section, Department of Computer Science, University of Copenhagen, Denmark
Research Vision: Leveraging behavioral markers to quantify and improve individuals’ Quality of Life in new ways – drawing on new emerging models from computer science incorporating examination and treatment of daily life as an “organ” – much like a cardiologist examines heart.
Professor of Surgery (General Surgery) at the Stanford University Medical Center
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
Associate Professor of Surgery (General Surgery) at the Stanford University Medical Center
Bio I am a general and trauma surgeon, and surgical intensivist. I treat and care for injured patients and those with acute surgical emergencies, and manage critically ill surgical patients in the Intensive Care Unit.
My research is focused on evaluating the role of surgical care in the delivery of health services in resource poor settings, particularly low and middle income countries. I am interested in barriers to access and provision of surgical care, the quality of surgical services, and outcomes research. My current projects focus on quality and cost effectiveness of care, and strategies for improving the safety and reliability of surgical delivery in resource poor settings. I have been involved in surgical program assessment projects in Cambodia, India, the UK, and the United States. From 2006-2009 I was part of the World Health Organization’s Safe Surgery Saves Lives program where we quantified the global volume of surgery and created, implemented, evaluated, and promoted the WHO Surgical Safety Checklist.
I am a trustee of Lifebox, a charity devoted to saving lives through safer surgery. We are currently engaged in a program to improve compliance with surgical safety standards in low resource settings, particularly as they pertain to infection prevention and control.
Mark Lane Welton
Harry A. Oberhelman, Jr. Professor
Current Research and Scholarly Interests Clinical research focused on the diagnosis, prevention and treatment of anal cancer and its precursor lesions. Clinical trials of ablative therapy for High-grade Squamous Intraepithelial Lesions (HSIL) of the anus and perianal tissues as a means for preventing anal cancer.
Basic science work in collaboration with Ronald Davis and Hanlee Ji focused on the molecular genetic and pathologic studies of anal cancers using moecular inversion probe genomic technology
Clinical Assistant Professor, Surgery - General Surgery
Current Research and Scholarly Interests Dr. Wheeler actively participates in both clinical and basic science research in order to create opportunities for her patients to optimize their care and treatment of breast cancer. By focusing on patient centric research, she is able to offer cutting edge therapies for her breast cancer patients. She currently collaborates with several basic science labs, including Dr. Jeffrey who studies circulating tumor cells and the tumor microenvironment. Dr. Wheeler has also collaborated with Dr. Quake’s lab looking at an early detection blood test for the diagnosis of breast cancer.
As a clinical educator, Dr. Wheeler is able to choose applicable studies for her patients that have the potential to impact future patients who are diagnosed with breast cancer. Past and current projects include a patient decision making study looking at motivating factors for patients who choose mastectomy vs breast conserving surgery. She also was a co-author on a study showing a novel intra operative warming device that led to a decrease in post-operative complications. She has collaborated with a psychologist to study a surgical success program with the goal of decreasing post-operative pain and disability.
Dr. Wheeler has also collaborated with her breast imaging colleagues to develop an augmented reality platform for tumor localization with the hopes of decreasing re-excision rates and performing an improved cosmetic outcome for breast cancer patients. She also participated in a study that tattooed sentinel lymph nodes in the pre chemotherapy setting in order to limit surgery in the axilla thereby decreasing lymphedema and pain associated with standard axillary lymph node dissections.
In addition to her clinical research, she is involved nationally in breast fellowship accreditation through the American Society of Breast Surgeons(ASBS). She serves on the Education board for ASBS and is invited to give talks nationally and internationally on her clinical interests and research. She has written several chapters and is a frequent peer review editor.
At Stanford Hospital and Clinics she is the surgical medical director of Clinical Advice Services (CAS). CAS is responsible for after hour patient related triage. She is the current co-chairwoman of professional development at a fraternal organization on the Stanford Campus. Mentorship of women at the college, and fellowship level continues to be a passion for her. She also enjoys yoga, painting, playing tennis and golf.
David J. Worhunsky
Affiliate, School of Medicine - Dean's Office
Bio Dave was born and raised in Terryville, CT. He attended Bates College where he studied biochemistry and philosophy, and worked in Paula Schlax’s lab studying gene expression in E. coli. He spent 2 years working in the Center for Regenerative Medicine at the Massachusetts General Hospital prior to medical school at Harvard. He has been a general surgery resident at Stanford since 2010. During his professional development time, he was the Clinical Research Fellow in the Division of Surgical Oncology at Stanford. He served as Administrative Chief Resident for general surgery from 2016-2017. In 2017, he will start his Pediatric Surgery fellowship at Yale-New Haven’s Children’s Hospital.
Sherry M. Wren MD, FACS, FCS(ECSA)
Professor of Surgery (General Surgery) at the Palo Alto Veterans Affairs Health Care System
Current Research and Scholarly Interests Our research interests are primarily in global surgery,robotics,surgical oncology, especially gastrointestinal cancers.