Stanford University
Showing 101-150 of 454 Results
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Carlos O. Esquivel, M.D., Ph.D.,FACS
Arnold and Barbara Silverman Professor in Pediatric Transplantation and Professor of Surgery (Abdominal Transplantation) and of Pediatrics (Gastroenterology, Hepatology and Nutrition)
Current Research and Scholarly Interests1) Induction of immunotolerance
2) Rejection of liver and intestinal transplantation.
3) Clinical outcomes of children with unresectable liver tumors. -
Micaela Esquivel, MD, FACS
Clinical Associate Professor, Surgery - General Surgery
BioDr. Esquivel is a board-certified, fellowship-trained bariatric and minimally invasive surgeon. She is a clinical associate professor of surgery at Stanford University School of Medicine. Specialties of Dr. Esquivel include foregut surgery and bariatric surgery. She performs robotic surgery as well as therapeutic surgical endoscopy.
She has developed the Bariatric Endoscopy Program of Stanford Health Care. She offers endoscopic sleeve gastroplasty and endoscopic suturing of the gastric pouch and outlet after gastric bypass, and endoscopic sleeve revisions/reductions, for patients experiencing weight regain.
Dr. Esquivel has a great interest in helping everyone access the care they need. She values work that minimizes disparities and promotes health equity. Research interests of Dr. Esquivel range from the global, like minimum rates of surgery to support desirable outcomes, to the more specific, such as weight loss before bariatric surgery. She has studied access to surgical care in California, as well as access to care in Zambia, Guatemala, and other countries.
Dr. Esquivel has made numerous presentations on surgical care access, among other topics, at conferences including the American College of Surgeons Clinical Congress, Academic Surgical Congress, and the UK’s Royal Society of Medicine. In addition, she has written more than two dozen articles on topics such as surgical outcomes, weight loss before bariatric surgery, and global access to surgical services. Her work has appeared in JAMA, the World Journal of Surgery, Journal of Surgical Research, Journal of Surgical Education, Lancet, and elsewhere.
Among her many honors, Dr. Esquivel has won the prestigious Samuel L. Kountz Humanitarian Award, awarded to a Stanford resident distinguished by professionalism, compassion, and respect for the dignity of others—attributes shared by the late Dr. Kountz, a trailblazing surgeon and the first African American surgical resident at Stanford. Dr. Esquivel also won the Resident Research Award of the Year in Stanford General Surgery and the Post-Doctoral Fellowship Award from Stanford’s Hispanic Center for Excellence.
Dr. Esquivel also directs the “Service Through Surgery: Surgeons with an Impact” course in the Stanford University School of Medicine. -
Amin Etemad, MBA, SSGB
Quality Programs Manager, Surgery
BioAmin Etemad holds a Bachelor's degree in Management from HEC Montréal and an MBA in Medical Management from the University of St. Thomas in Minneapolis, earned in 2008. He began his career as an Operations Manager at Amazon’s MSP5 fulfillment center in Shakopee, MN, before moving to Allina Health, where he served as a Process Improvement Manager within the supply chain team. Amin later transitioned to a central Quality Improvement role at Allina, where he contributed to Minnesota’s COVID-19 surge planning for the ED and ICU in 2020.
In the fall of 2020, Amin joined Stanford Health as a Quality Improvement Project Manager in Radiology. In 2023, he moved to the School of Medicine, where he now leads the quality improvement team in the Department of Surgery.
Outside of work, Amin is passionate about tennis, soccer, and music—playing both acoustic guitar and a traditional string instrument called the Santoor. He is fluent in five languages, having lived on three continents and in five countries. Raised in a family of over 10 medical professionals, Amin has a deep love for travel, exploring new cultures, and experiencing diverse cuisines. -
Brady Evans, MD, MBA
Clinical Assistant Professor, Orthopaedic Surgery
Clinical Assistant Professor (By courtesy), Surgery - Plastic & Reconstructive SurgeryBioDr. Evans is an orthopaedic surgeon and a clinical assistant professor of orthopaedic surgery specializing in the treatment of hand and upper extremity conditions. He has extensive training in the full range of orthopaedic treatment approaches, from noninvasive strategies to the most advanced surgical procedures, including peripheral nerve and microvascular surgery.
Among the wide spectrum of conditions that Dr. Evans treats are joint, ligament, and tendon injuries; nerve and vessel disorders; all forms of arthritis; fractures; carpal and cubital tunnel syndrome; and, pediatric and congenital disorders of the hands and upper extremities.
Implementing a comprehensive patient treatment plan usually involves multiple specialists. Dr. Evans collaborates with other team members such as spinal care specialists, rheumatologists, plastic surgeons, and physical and occupational therapists. He also closely coordinates treatment and follow-up with the primary care physicians and emergency medicine physicians, as well as other orthopaedic specialists, who refer patients for his specialized care.
For every patient he sees, he develops a personalized plan of care emphasizing the most conservative treatment possible. The goal of each patient’s care plan is to precisely diagnose the condition, relieve symptoms that may include pain and immobility, and restore use of the affected hand or limb as safely and quickly as possible.
The opportunity to treat diverse, complex conditions from start to finish and help patients return to functionality and mobility are among the key reasons Dr. Evans chose to practice orthopaedic surgery. To help advance his specialty through innovative research initiatives, Dr. Evans has investigated applications of frontier technology such as virtual reality and artificial intelligence to enhance patient care and education. His research interests also include the management of distal radius fractures, surgical decision-making, and costs and outcomes of orthopaedic surgical procedures.
As an author, Dr. Evans has published articles in numerous journals including the Journal of Bone and Joint Surgery, Journal of Pediatric Orthopaedics, Archives of Surgery, Current Reviews in Musculoskeletal Medicine, and others. Article topics range from clinical issues to the financial aspects of care. He also has contributed textbook chapters as the primary author of “Fractures of the Distal Radius and Ulna” in Rockwood and Green’s Fractures in Adults, 9th edition and as an author of “Carpal Tunnel Syndrome After Fractures and Other Trauma” in the 2017 edition of the guide Carpal Tunnel Syndrome. In addition, he is a reviewer for HAND, the official journal of the American Association for Hand Surgery, and for the Journal of Hand Surgery Global Online.
Dr. Evans makes scientific presentations at major national conferences on a variety of topics: resident education, virtual reality in health care, plus various aspects of clinical care.
He has won honors and recognition for his research and scholarship, including the Richard J. Smith Award from Massachusetts General Hospital and Harvard Medical School for the best clinical/translational paper presentation.
Dr. Evans is board-eligible with the American Board of Orthopaedic Surgery and a member of the American Academy of Orthopaedic Surgeons and American Society for Surgery of the Hand. -
Joseph (Joe) D Forrester MD MSc FACS
Associate Professor of Surgery (General Surgery)
Current Research and Scholarly InterestsI am broadly interested in research exploring the care of the injured patient both in high- and low-resource settings. I have specific on-going projects assessing surgical site infection surveillance in low-resource settings, and surgical management of acute and chronic non-union rib fractures.
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Deshka Foster, MD, PhD
Assistant Professor of Surgery (General Surgery)
Current Research and Scholarly InterestsCancer associated fibroblasts in hepatopancreatobiliary (HPB) malignancies, tumor microenvironment, abdominal adhesion biology and fibrosis
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Paige Fox, MD, PhD, FACS
Associate Professor of Surgery (Plastic and Reconstructive Surgery)
BioDr. Paige Fox is Board Certified Plastic Surgeon who specializes in hand surgery, reconstructive microsurgery including facial reanimation, as well as peripheral nerve and brachial plexus surgery. She is an Associate Professor in the Division of Plastic and Reconstructive surgery in the Department of Surgery. She works with adult and pediatric patients. Her lab focuses on wound healing and nerve compression. She has clinical research interested in optimizing care of upper extremity and nerve disorders both in the US and internationally. Dr. Fox has a passion for sustainability and health care's effect on the environment. She is involved in efforts to green the OR and the clinics at Stanford.
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Eri Fukaya
Clinical Professor, Surgery - Vascular Surgery
Clinical Professor, Medicine - Primary Care and Population HealthBioDr. Fukaya practices Vascular Medicine at the Stanford Vascular Clinics and Advanced Wound Care Center. She received her medical education in Tokyo and completed her medical training both in the US and Japan. She joined Stanford in 2015.
Vascular Medicine covers a wide range of vascular disorders including chronic venous insufficiency, varicose veins, deep vein thrombosis, post thrombotic syndrome, peripheral artery disease, carotid artery disease, cardiovascular risk evaluation, fibromuscular dysplasia, rare vascular disease, lymphedema, arterial/venous/diabetic ulcers, and wound care.
Dr. Fukaya has a special interest in venous disease and started the Stanford Vascular and Vein Clinic in 2016.
Board Certified in Vascular Medicine
Board Certified in Internal Medicine
Board Certified in Internal Medicine (Japan)
Board Certified in Plastic and Reconstructive Surgery (Japan) -
John V. Gahagan, MD, FACS, FASCRS
Clinical Associate Professor, Surgery - General Surgery
BioJohn Gahagan, MD is a Clinical Associate Professor of Surgery in the Section of Colorectal Surgery, and serves as Chief of Surgery at the Stanford Tri-Valley Hospital. He joined Stanford in 2019 to build the Stanford colorectal surgery practice in the East Bay at Stanford Tri-Valley in Pleasanton and at Stanford Health Care – Emeryville. He has training in advanced minimally invasive surgical techniques including robotic and laparoscopic surgery. He has authored several textbook chapters and original articles in peer-reviewed journals. His clinical practice is focused on the surgical treatment of colon and rectal cancers, inflammatory bowel disease (ulcerative colitis and Crohn’s disease), and benign colon and anorectal diseases (diverticulitis, hemorrhoids, fistulas, fissures). He believes in patient-centered care and multi-disciplinary approach to the treatment of diseases of the colon, rectum and anus.
Outside of his clinical practice, he is involved in surgical education and serves as an Associate Program Director of the Stanford General Surgery Residency Training Program as well as the Site Director for the Stanford Tri-Valley surgery rotation. He serves in various administrative roles, including as a member of the Stanford Tri-Valley Medical Staff Quality Committee and the Stanford Medicine Partners Quality and Credentialing Committee. -
Dyani Gaudilliere
Clinical Associate Professor, Surgery - Plastic & Reconstructive Surgery
BioDr. Dyani Gaudilliere specializes in Dental Surgery and Oral Oncology in a hospital setting. As a hospital dentist she performs surgical treatment of infection and trauma to the teeth and supporting alveolar bone. She also performs medically necessary dental clearance and extractions in the context of larger medical conditions, such as cardiac disease, joint replacement, or organ transplantation. As an oral oncologist, she specializes in surgical dental treatment prior to, during, and following radiation therapy and chemotherapy.
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Chandrayee Ghosh
Basic Life Research Scientist, Surgery - General Surgery
Current Role at StanfordBasic Life Research Scientist
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Eric Matthew Gomez
Administrative Associate 3, Surgery - Vascular Surgery
Current Role at StanfordAdministrative Assistant III in the Department of Vascular Surgery
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Joshua D. Grab, MS, MA
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
Other Teaching Staff-Hourly, Surgery
BioI am an epidemiologist and health services researcher with nearly 20 years of experience in surgical outcomes research. My work focuses on improving healthcare delivery and outcomes for Veterans and other vulnerable populations, particularly those who are older or medically complex. Using large administrative datasets from the Veterans Health Administration (VA), I study surgical processes and outcomes to inform system-level improvements.
With postdoctoral training in health economics and implementation science, I bring expertise in causal inference methodology and artificial intelligence, particularly the use of natural language processing (NLP). I apply these methods to extract insights from unstructured clinical data and to strengthen causal analyses in complex healthcare datasets. These approaches allow me to address research questions that were previously difficult to study with standard empirical approaches.
As a collaborative leader, I have mentored junior investigators and worked across academic and industry sectors to advance health services research. My goal is to translate evidence into practice, ultimately improving the quality of surgical care for Veterans. -
Teodor Grantcharov, MD, PhD, FACS, FRCS (Glasg)
Professor of Surgery (General Surgery)
BioDr. Teodor Grantcharov completed his surgical training at the University of Copenhagen, and a doctoral degree in Medical Sciences at the University of Aarhus in Denmark.
Dr. Grantcharov is a Professor of Surgery at Stanford University and Associate Chief Quality Officer for Innovation and Safety at Stanford Healthcare.
Prior to joining Stanford, Dr. Grantcharov was a Professor of Surgery at the University of Toronto and Keenan Chair in Surgery at St. Michael’s Hospital in Toronto. He was the Founder of the International Centre for Surgical Safety – a multidisciplinary group of visionary scientists with expertise in design, human factors, computer- and data science, and healthcare research. He previously held Canada Research Chair in Simulation and Surgical Safety and was awarded the Queen Elizabeth II diamond jubilee medal for his contributions to clinical research and patient safety in Canada. Dr. Grantcharov was awarded the honorary fellowship of the Imperial College in London, the honorary fellowships of the Bulgarian, Danish and Brazilian surgical societies, the Spinoza Chair in Surgery from the University of Amsterdam and multiple national and international awards for his contributions to surgical education and surgical safety.
Dr. Grantcharov’s clinical interest is the area of minimally invasive surgery, while his academic focus is in the field of surgical innovation and patient safety. He has become internationally recognized as a leader in this area with his work on curriculum design, assessment of competence and impact of surgical performance on clinical outcomes. Dr. Grantcharov developed the surgical Black Box concept, which aims to transform the safety culture in medicine and introduce modern safety management systems in the high-risk operating room environment.
Dr. Grantcharov has more than 220 peer-reviewed publications and more than 200 invited presentations in Europe, South- and North America. He holds several patents and is the Founder of Surgical Safety Technologies Inc – an academic startup that commercializes the OR Black Box platform. He sits on numerous committees with Surgical Professional Societies in North America and Europe. -
Brooke Gurland, MD, FACS
Clinical Professor, Surgery - General Surgery
BioPelvic floor and functional bowel disorders refer to a series of symptoms and anatomic findings that effect men and women of all ages. These may include: constipation, difficult evacuation, fecal incontinence, irritable bowel disorders, diarrhea, pelvic organ prolapse, urinary and sexual dysfunction and pain. Although not life threatening, these disorders can severely affect quality of life and individual performance.
Over the past two decades I have dedicated my career to working with other specialists for comprehensive care for individuals with pelvic floor disorders. In July 2017, I joined The Department of Surgery, Division of Colorectal Surgery at Stanford University as the Medical Director of the Pelvic Health Center. I previously spent the prior decade at Cleveland Clinic running a multidisciplinary clinic and performing over 200 combined procedures in conjunction with colleagues in urology and urogynecology. We developed a robotic surgical approach to woman with vaginal and rectal prolapse and performed many surgeries to repair intestinal and rectal fistula (abnormal communications between the intestine and vagina).
Prior to that I established a Pelvic Floor Center at Maimonides Medical Center received a Jahnigan Career Development Award looking at multicompartment prolapse in elderly women. In addition to performing surgery and teaching throughout my career, I have maintained a commitment to long-term follow up of patients after surgery.
Although my training and focus is around surgical techniques and solutions for anorectal disorders and pelvic health, I believe that prevention, non-surgical alternatives, diet, exercise, and behavior management are vitally important to patient success.
One of my many goals is to educate patients, health care providers, and trainees about pelvic floor disorders.
When I am not at work I enjoy quality time with my three teenagers, dog, friends and I practice yoga. -
Geoffrey Gurtner
Johnson & Johnson Distinguished Professor of Surgery, Emeritus
Current Research and Scholarly InterestsGeoffrey Gurtner's Lab is interested in understanding the mecahnism of new blood vessel growth following injury and how pathways of tissue regeneration and fibrosis interact in wound healing.
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Paulina Gutkin
Affiliate, Department Funds
Resident in SurgeryBioMedical College of Wisconsin, Doctor of Medicine (2024)
Bucknell University, Bachelor of Science, Minor in Neuropsychology (2018) -
Dalena Ha
Affiliate, Department Funds
Resident in Surgery - Plastic and Reconstructive SurgeryBioDalena Ha, DMD, MPH, MS is a dental provider with a strong commitment to community service, public health, and advancing access to equitable care. She is a National Health Service Corps (NHSC) Scholar and holds degrees in Dental Medicine and Public Health from A.T. Still University, as well as a Master of Science in Biotechnology from Johns Hopkins University, where she concentrated on regenerative medicine and stem cell technologies.
During dental school, Dalena co-authored “The Current Applications and Efficacy of Stem Cells in Dentistry” published in EC Dental Science (2023), reflecting her interest in translational research and the future of regenerative therapies in dental care. Her academic work is rooted in a commitment to evidence-based practice and the integration of innovation into clinical decision-making.
She is the founder of the Remembering My Roots Charity Group, established in 2018 to serve underserved communities through local and international outreach. Her participation in the Good Samaritan Medical and Dental Mission further highlights her dedication to global health equity. Dalena also served as President of the ASDOH chapter of the American Dental Education Association (ADEA) and as a national board member on ADEA’s Council of Students, Residents, and Fellows, helping to shape student engagement and professional development in dental education. -
Beth Habelow
Lecturer, Surgery - Anatomy
BioPhysical therapist, lecturer
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S. Morad Hameed MD MPH
David L. Gregg, MD, Professor
Current Research and Scholarly InterestsTrauma Surgery
Emergency General Surgery
Critical Care
Public Health -
E. John Harris Jr.
Professor of Surgery (Vascular), Emeritus
Current Research and Scholarly InterestsI am interested in thrombosis and the role of thrombin and its receptor in venous wall remodeling following venous thrombosis. I am also interested in vascular hemodynamics and the use of ultrasound, MRI and computational modeling in evaluating arterial flow in exercise conditions.
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Sean Edmund Harris, MB BCh BAO
Clinical Assistant Professor, Surgery - Vascular Surgery
BioDr. Sean Edmund Harris is a board-eligible vascular surgeon with Stanford Health Care Vascular and Endovascular Care. He is also an assistant professor in the Department of Surgery, Division of Vascular Surgery at Stanford University School of Medicine.
Dr. Harris specializes in creating and maintaining dialysis access, working closely with nephrologists to provide complex kidney disease care. His other interests include venous disease management and endovascular management of aortic and peripheral vascular diseases. As a physician-researcher, Dr. Harris has traveled around the world and brings extensive and diverse vascular education back to his patients. He also understands the needs of the local community as a San Francisco Bay Area native.
Dr. Harris has published his findings in several peer-reviewed journals, including Annals of Vascular Surgery, the Journal of the American College of Surgeons, the Journal of Vascular Surgery, and the Journal of Thoracic and Cardiovascular Surgery. He has also shared his expertise globally, presenting leading-edge vascular surgery research at prominent conferences of the Society for Vascular Surgery (SVS), the European Society for Vascular Surgery, and the International Aortic Summit.
Dr. Harris is a member of the New England Society for Vascular Surgery and the SVS. -
Gary E Hartman, MD, MBA
Clinical Professor, Surgery - Pediatric Surgery
Current Research and Scholarly InterestsMinimal Access and Robotic Surgery
Neonatal Surgery
Childhood Oncology -
Michelle Hauser, MD, MS, MPA, FACP, FACLM, DipABLM, DABOM, Chef
Clinical Associate Professor, Surgery - General Surgery
Current Research and Scholarly InterestsPrimary care physician, prevention researcher, medical educator and classically-trained chef who combines these fields to move people away from diets that lead to chronic disease and toward eating delicious food that promotes health and well-being.
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Mary Hawn, MD, FACS
Emile Holman Professor of Surgery
Current Research and Scholarly InterestsMy area of research is health services researcher focusing on surgical quality measurement and policy. I have a background and training in epidemiology coupled with my leadership roles in surgical quality measurement. My expertise and extensive experience in evaluation of surgical quality process and outcome linkage has impacted national policy and changed guidelines. We performed a comprehensive evaluation of the Surgical Care Improvement Project (SCIP) implementation using national VA data. Defining robust metrics of surgical quality that are actionable and can lead to sustained improvement in our field are of utmost importance. I also have experience with risk prediction modeling for surgical patients. Our Decision Support for Safer Surgery study developed models of real-time risk prediction for major complications and prospectively validated our models in patients and with expert surgeons. We were able to discern where computational risk prediction has added value and where it falls short. We currently have a national study investigating readmissions following major surgical procedures to identify opportunities for improving care and reducing costs.
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Hui "Heather" He, PA-C, MSHS-PA
Affiliate, Surgery - General Surgery
BioHui "Heather" He, PA-C, MSHS-PA is an advanced practice provider who specializes in breast surgery and plastic reconstructive surgery. She completed the Masters in Health Sciences for Physician Assistants Program at the Weill Cornell Graduate School of Medical Sciences. Heather has a special interest in benign and malignant conditions of the breast, reconstruction after ablative treatment, and cancer-related lymphedema management. She finds joy in performing 3D nipple areolar tattoos to empower breast cancer patients to feel whole again.
