School of Medicine
Showing 1-100 of 168 Results
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Katherine Arnow
Biostatistician 3, Stanford-Surgery Policy Improvement Research and Education Center
BioKate is a biostatistician with the Stanford-Surgery Policy Improvement Research & Education Center (S-SPIRE). She has a degree in epidemiology and has worked in both academic and public health settings. She has particular experience working with Medicaid claims data and analyzing patient reported health outcomes. Kate collaborates with Department of Surgery researchers on study design, data analysis, and reporting.
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Tiffany E. Chao, MD, MPH, FACS, FCS (ECSA)
Clinical Associate Professor (Affiliated), Surgery - General Surgery
Staff, Surgery - General SurgeryBioDr. Tiffany E. Chao is a board-certified general surgeon at Santa Clara Valley Medical Center (SCVMC), a Clinical Associate Professor of Surgery (Affiliated) in the Stanford Department of Surgery (Division of General Surgery), and an Adjunct Professor in the university's Program in Human Biology. At SCVMC, Dr. Chao is the Site Director for the Stanford medical student surgical clerkship and the Associate Site Director for the Stanford General Surgery Residency Program. Her interests in surgery include minimally invasive foregut, hernia, and colorectal surgery, in addition to acute care & trauma surgery.
At Stanford, she is the Primary Instructor of the undergraduate course HUMBIO 29: Introduction to Global Health and the medical school seminar SURG 236: Seminar in Global Surgery and Anesthesia, both Winter Quarter classes. Her other roles at Stanford include Faculty Fellow with Center for Innovation in Global Health and the Clinical Competency Committee of the General Surgery Residency. Dr. Chao's research interests are in global surgery, including cost-effectiveness analysis, surgical device innovation, and expansion of surgical delivery for low-income populations through surgical workforce and infrastructure development.
Dr. Chao holds dual Bachelor's degrees in Symbolic Systems and Psychology from Stanford University, as well as MD and MPH degrees from Mount Sinai School of Medicine, where she graduated with Alpha Omega Alpha honors. She completed General Surgery residency at the Massachusetts General Hospital in Boston, the Paul Farmer Global Surgery Research Fellowship at Harvard Medical School's Program in Global Surgery and Social Change, and the CTSA/Lucile Packard Innovation Fellowship at Stanford Biodesign. Through the Biodesign program, she co-founded Zenflow, Inc., a venture-backed medical device company working in minimally-invasive therapy for prostate disease, and is a Founding Partner of 4i Ventures.
In addition to being a Fellow of the American College of Surgeons since 2018, Dr. Chao was also elected to be an Overseas Fellow of The College of Surgeons of East, Central and Southern Africa (COSECSA) in 2022. She has also been appointed as an Extraordinary Senior Lecturer at the Centre for Global Surgery at Stellenbosch University in Cape Town, South Africa and serves on the Editorial Board of the World Journal of Surgery. -
Peiqi Chen
Social Science Research Professional 1, Stanford-Surgery Policy Improvement Research and Education Center
BioPeiqi Chen, M.A., B.A., is a Social Science Research Professional at the S-SPIRE Center. She holds a BA from the University of Iowa with a background in Sociology and Psychology. She also gained a certificate in Nonprofit Organization Management & Philanthropy. Currently she is still in her MA program in Social Science at the University of Chicago and writing a thesis about family planning policy evaluation on women’s maternity rights. At S-SPIRE, she assists with clinical researchers on qualitative data gathering and analysis. Before attending Stanford, she completed two internships at nonprofit organizations. She conducted research on social stigma toward COVID19 patient and front-line health workers during the pandemic. Her research interests lie in between sexual health, policy outcomes evaluation, and social welfare improvement for underrepresented population.
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Zaria Cosby
Social Science Research Professional 2, Stanford-Surgery Policy Improvement Research and Education Center
BioZaria Cosby, MPH, is a Social Science Research Professional at the S-SPIRE Center. She completed her Master of Public Health with a concentration in Biostatistics and Epidemiology, as well as her Bachelor of Science in Health Promotion and Disease Prevention, at the University of Southern California. During her time at USC, Zaria worked on multiple projects across a variety of topics, the most recent being her master’s capstone: a mixed-methods study into the lived experiences of women of color with HIV during the Covid pandemic. At S-SPIRE, she supports qualitative and quantitative data collection, analysis, and interpretation. Zaria also holds a Certified Personal Trainer certification from the National Academy of Sports Medicine. No matter the position or project, Zaria’s overarching goal is to help people become their healthiest selves through research and education.
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Kristen Davis-Lopez
S-SPIRE Project Manager, Stanford-Surgery Policy Improvement Research and Education Center
BioKristen Davis-Lopez, MPH, CAPM is the Research Project Manager at the S-SPIRE Center. She has a background in biology as well as public health. She supports multiple principal investigators with their current funded projects as project manager. Kristen also assists with the grant submission process within the Department of Surgery acting as a liaison with the Research Management Group.
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Heather Sydney Day
Biostatistician 1, Stanford-Surgery Policy Improvement Research and Education Center
Current Role at StanfordBiostatistician 1, Stanford-Surgery Policy Improvement Research and Education Center
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Malav P Desai
Research Data Analyst 1, Stanford-Surgery Policy Improvement Research and Education Center
Current Role at StanfordResearch Data Analyst, S- SPIRE center
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Mary Estakhri
Clinical Assistant Professor (Affiliated), Surgery - General Surgery
Staff, Surgery - General SurgeryBioDr. Mary Estakhri practices General and Bariatric Surgery in Pleasanton. She is a fellow of the American College of Surgeons.
Dr. Estakhri has also held a number of leadership positions including: Medical Director of Bariatric Surgery at Stanford Health Care Tri-Valley, past chair of the Department of Surgery, and a past board member at the American Cancer Society of Contra Costa County.
She is a 3rd Degree Black Belt (2nd Dan) for the US International Taekwon-Do Federation. -
Chandrayee Ghosh
Basic Life Res Scientist, Surgery - General Surgery
Current Role at StanfordBasic Life Research Scientist
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Joshua D. Grab
Biostatistician 2, Stanford-Surgery Policy Improvement Research and Education Center
BioJoshua Grab is a Biostatistician at the S-SPIRE Center in the Department of Surgery. He has Masters' degrees in Biostatistics and Mathematics.
Josh has 12 years of experience as a biostatistician and data analyst. As a data analyst at UCSF, he worked primarily for the Liver Transplant Center doing survival analyses. At Wake Forest University, he worked on genome-wide association studies for various disease conditions. Before that, he worked at the Duke Clinical Research Institute (DCRI), building logistic models for mortality within the Society of Thoracic Surgeons' National Cardiac Database.
Josh has been a SAS user for all of his time in biostatistics and has beginner to intermediate skills with various other software packages, including R, STATA, and MATLAB, and is learning Python.
In addition to his biostatistics career, Josh also has 7 years of experience teaching mathematics and introductory statistics at the community college level. -
Laura Graham
Casual - Non-Exempt, Surgery
BioLaura is a health services researcher with a wide variety of experience in data management and analysis, including large multi-center health services and outcomes research studies, provider survey studies, and laboratory-oriented research. Her research interest include surgical outcomes research, informatics, and implementation science to translate evidence into practice. The bulk of her research experience is centered around the use and analysis of large administrative datasets collected by the Veterans Health Administration. She has been involved in a multitude of Health Services Research & Development funded and unfunded studies using these administrative data to assess surgical outcomes.
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Beth Habelow
Lecturer, Surgery - Anatomy
Current Role at StanfordLecturer Division of Anatomy
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Haaris Kadri
Casual - Non-Exempt, Surgery - Multi-Organ Transplantation
Current Role at StanfordResearch Assistant (Melcher Lab): July 2020 - Present
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Karthikeshwar Kasirajan (Kasi)
Clinical Professor, Surgery - Vascular Surgery
Clinical Professor, Surgery - Vascular SurgeryBioDr. Kasirajan is a board-certified, fellowship-trained vascular surgeon. Also known as Dr. Kasi, he is a clinical professor of vascular surgery at Stanford University School of Medicine.
Dr. Kasirajan preserves limbs, facilitates access to dialysis, and helps his patients manage conditions such as aneurysms, varicose veins, thoracic outlet syndrome, and deep vein thrombosis. Many of his limb preservation patients smoke, have diabetes, or are experiencing renal failure. Dr. Kasirajan’s experience also centers around the treatment of aneurysms and prevention of strokes.
In all cases, his goal is to provide either noninvasive or minimally invasive management whenever possible. He performs open surgery only when it is the best option. Dr. Kasirajan treats many patients with stents and stent grafts, which can shorten hospital stays and recovery times.
Dr. Kasirajan (Kasi) receives referrals of patients from primary care physicians, nephrologists, podiatrists, cardiologists, woundcare specialists, diabetologists, neurologists, and other specialists. He welcomes referrals as early as possible, ideally before patients become symptomatic. A strong proponent of doing early screening for peripheral artery disease, Dr. Kasirajan advocates for the use of the ankle-brachial index (ABI) in routine physical examinations. When providers detect an imbalance between leg and arm blood pressure, Dr. Kasirajan can help create customized strategies to address the cause before the problem worsens.
In addition to offering excellent vascular care to the community, Dr. Kasirajan joined Stanford to continue pursuing his research interests. He has conducted research into advances in minimally invasive procedures for stroke prevention and for aneurysm management. His research has also focused on how to improve surgery outcomes to help patients suffering from peripheral vascular disease. Dr. Kasirajan has been the investigator in over 40 multicenter studies involving new stent graphs, thrombectomy catheters, and other advances in endovascular technology.
Dr. Kasirajan has made more than 100 presentations worldwide on minimally invasive vascular surgery techniques and preventive care in the vascular patient. He has spoken at multiple conferences including the Society for Vascular Surgery, Peripheral Vascular Society, and the South Asian American Vascular Society. He has earned numerous honors for his academic achievements, including the prestigious Alpha Omega Alpha award for medical student and resident education.
As the author of more than 120 journal articles, Dr. Kasirajan’s work has appeared in the Journal of Vascular Surgery, Endovascular Today, Pharmacogenomics Journal, Catheter Cardiovascular Intervention, and many other publications. He also has authored 20 book chapters in textbooks including Medical Management of the Surgical Patient 5th Edition, Advances in Phlebology and Venus Surgery Volume 1, Current Therapy in Vascular Surgery, Mastery of Surgery, and many more.
Dr. Kasirajan has served on the editorial boards of the Journal of Endovascular Therapy, Annals of Vascular Surgery, International Journal of Angiology, and other publications. -
Yen-Chung Andrew Lee
Clinical Assistant Professor (Affiliated), Surgery - General Surgery
BioDr. Yen-Chung Andrew Lee is a board certified surgeon who practices General and Bariatric Surgery in Pleasanton. He completed a fellowship in Advanced Laparoscopic Surgery at Brown University.
Dr. Lee's personal interests include golfing, fishing, cars, drawing, and playing violin. -
April Leyson
Section Administrative Supervisor, Surgery - General Surgery
Current Role at StanfordAdministrative Associate
For Drs. Dan E. Azagury, Byrne Lee, Carolyn Seib, and Dr. George Poultsides
Stanford Department of Surgery
Section of Bariatric and Minimally Invasive Surgery
& Section of Surgical Oncology -
Daniel S Logan
Research Data Analyst 1, Stanford-Surgery Policy Improvement Research and Education Center
BioDaniel Logan is a Research Data Analyst with the Stanford-Surgery Policy Improvement Research & Education Center (S-SPIRE). Daniel obtained a bachelors degree in Sociology from Bates College as well as a bootcamp diploma in Data Science. He has experience with a variety quantitative and qualitative research methodologies, making him unique situated for mixed methods research. As a research data analyst, he puts this background to use for machine learning optimization, data management, and general analytics for clinical and observational studies.
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Vanni Manthiram
Clinical Assistant Professor (Affiliated), Surgery - General Surgery
BioDr. Vanni Manthiram is board certified in General Surgery. She practices a broad range of general surgery including breast, colon, gall bladder, hernia, and minimally invasive surgery.
She is also a member of several professional organizations, including the American College of Surgeons and the American Society of Breast Surgeons.
Dr. Manthiram became a surgeon because it is extremely rewarding as patients are very grateful and often feel better immediately. She also enjoys making sure her patients understand the planned procedure.
Her personal interests include watching football, hiking, fitness, and spending time with family.
