Faculty

Ronald L. Dalman, MD
Walter Clifford Chidester and Elsa Rooney Chidester Professor of Surgery 
Chief, Division of Vascular Surgery

Dr. Dalman graduated from the University of Michigan College of Literature, Science and the Arts (1981), and School of Medicine in (1984), both with distinction.  He was inducted in Alpha Omega Alpha in 1983. He completed his general surgery residency from University of Washington in 1989. He completed fellowship training in vascular surgery at the Oregon Health Sciences University in 1991. He is certified in both vascular surgery and surgery.

Dr. Dalman has been a Stanford vascular faculty member since 1992. He currently serves as the Chidester Professor of Surgery and Chief of the Division of Vascular Surgery. He served as section chief of vascular surgery at VA Palo Alto from 1991 to 2005.

Dr. Dalman's research interests include the basic underlying mechanisms responsible for abdominal aortic aneurysm (AAA) disease, as well as novel drug, device and exercise therapies to limit progression of small AAAs. He also has extensive experience investigating novel treatments for occlusive diseases of the lower extremities, including lower extremity limb salvage procedures and the modern management of walking disorders such as intermittent claudication (pain in the legs with exercise that is relieved by rest).

Specialties: minimally invasive revascularization techniques of the lower extremities, catheter-based and open management of carotid and extra-cranial cerebrovascular occlusive disease to prevent stroke, minimally invasive management of AAA disease, catheter-based and open management of venous diseases including varicose veins, subclavian vein thrombosis and superior vena cava syndrome, novel drug therapies for lower extremity ischemia and leg pain with walking, upper extremity circulation disorders, intestinal circulation disorders

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E. John Harris, MD
Professor of Surgery

Dr. Harris graduated from the St. Louis University School of Medicine in 1985. He completed his general surgery residency (1991) and vascular surgery fellowship (1992) at Oregon Health Sciences University. He is currently board certified in vascular surgery.

Dr. Harris has been a Stanford Vascular faculty member since 1992. He currently is a professor of surgery in the Division of Vascular Surgery.

Dr. Harris' research interests include role of thrombosis in stimulating venous wall morphologic change, and non-invasive vascular imaging.

Specialties: minimally invasive revascularization techniques, diagnosis and treatment of venous diseases, treatment of critical limb ischemia, management of aortic aneurismal disease, and treatment of cerebrovascular occlusive disease

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Jason T. Lee, MD
Professor of Surgery
Director of Endovascular Surgery
Vascular Surgery Program Director

Dr. Lee graduated with honors from the California Institute of Technology in 1994 and completed medical school at the University of California, San Diego in 1998. He completed his general surgery residency at Harbor-University of California, Los Angeles in 2004. During his residency he spent one year working under the tutelage of Dr. Rodney White at the St. John's Cardiovascular Institute testing various endovascular devices in animal models. Dr. Lee completed his vascular surgery fellowship at Stanford University in 2006. He is board certified in vascular surgery.

Dr. Lee has been a Stanford Vascular faculty member since 2006. He is currently a Professor of Surgery in the Division of Vascular Surgery at Stanford Medicine. He is the director of endovascular surgery at Stanford Health Care as well as program director of the vascular surgery residency and fellowship programs.

Dr. Lee's research interests include outcomes of catheter-based interventions compared to open surgery, functional outcomes after thoracic outlet decompression, imaging surveillance after endovascular aneurysm repair, and the application of endovascular technologies to thoracic and thoracoabdominal aneurysms.

Specialties: endovascular treatment of abdominal and thoracic aortic aneurysms, carotid angioplasty/stenting, open abdominal revascularization for aortic pathology, percutaneous interventions for upper and lower extremity arterial and venous peripheral vascular disease, thoracic outlet syndrome, vascular reconstruction for high-performance athletes.

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Shipra Arya, MD, SM, FACS
Associate Professor of Surgery
Chief, Vascular Section, VA Palo Alto Health Care System

Dr. Ayra received her medical degree from All India Institute of Medical Sciences in 2004. She has a master’s degree in epidemiology from the Harvard School of Public Health with focus on research methodology and cardiovascular epidemiology. She completed her general surgery residency at Creighton University Medical Center in 2011. She completed her vascular surgery fellowship at University of Michigan in 2013. She is board certified in both surgery and vascular surgery.

Dr. Arya joined the Stanford vascular faculty in 2018 as an associate professor of surgery in the Division of Vascular Surgery. She is currently section chief of vascular surgery at VA Palo Alto and maintains a practice at Stanford Health Care. Dr. Arya previously worked as an assistant professor of surgery and of epidemiology at Emory University and director of vascular lab and endovascular therapy at the Atlanta VA Medical Center.  

Her research is focused on improving quality of care and outcomes in older adults undergoing surgery. She recently completed an American Heart Association (AHA) grant on risk prediction of cardiovascular outcomes and limb loss in Peripheral Arterial Disease (PAD) patients. She is currently funded by the NIH/NIA GEMSSTAR grant studying the impact of frailty on quality of surgical care in PAD and aortic aneurysm patients. 

Specialties: Open and endovascular treatment of abdominal and thoracic aortic aneurysms/dissections, Open and endovascular treatment as well as medical management of peripheral artery disease, intestinal circulation disorders, carotid angioplasty/stenting, vascular trauma, dialysis access, thoracic outlet syndrome, venous disease and pediatric vascular disease. 

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Nicholas Leeper, MD
Associate Professor of Surgery
Chief, Vascular Medicine/Vascular Surgery
Director, Vascular Surgery Research

Dr. Leeper graduated with honors from the University of Chicago in chemistry (1999) and medicine (2003). He completed his internal medicine residency at the University of California, San Francisco in 2005. He then completed a Clinical Investigator Pathway (CIP) in cardiovascular medicine at Stanford University and served as the chief cardiology fellow in 2007. He completed advanced training in vascular medicine through the NIH K12 program at Stanford University in 2009. He is board certified in Internal Medicine, Cardiovascular Disease, and Vascular Medicine.

Dr. Leeper joined Stanford Cardiovascular Medicine faculty in 2009 and the Division of Vascular Surgery in 2011. He is currently an associate professor, holding appointments both in the Department of Surgery and the Department of Medicine. Dr. Leeper is the Director of Vascular Surgery Research.

Dr. Leeper performs translational research in vascular biology, and aims to understand the genetic causes of atherosclerosis and aneurysmal disease. His NIH-funded laboratory investigates the molecular biology of inherited genetic variants that promote smooth muscle cell dysfunction and lead to clinical events such as heart attack or aneurysm rupture. Dr. Leeper also is interested in vascular regeneration and performs clinical trials studying methods to grow new blood vessels for those with peripheral artery disease (PAD).

Dr. Leeper focuses on interdisciplinary approaches to these conditions with an emphasis on risk factor management. He serves as an investigator for several early phase clinical trials for patients with PAD, including studies of stem cell therapy for subjects with arterial insufficiency.

Specialties: Vascular Medicine and Cardiology including the diagnosis and non-invasive management of peripheral vascular disease, aortic aneurysms, carotid atherosclerosis, deep venous thrombosis, pre-operative risk stratification, and general cardiovascular risk factor reduction

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Elsie Gyang Ross, MD

Assistant Professor
Vascular Surgeon, VA Palo Alto Health Care System

Dr. Ross graduated from Stanford University School of Medicine in 2011.  She completed her vascular surgery residency at Stanford University School of Medicine in 2018.  During her residency, she completed a two-year post-doctoral fellowship in the Leeper Lab researching bioinformatics with the goal of using advanced data mining techniques and big data approaches to predict outcomes in patients with peripheral vascular disease.

Dr. Ross joined Stanford Vascular Surgery in 2018.  She is currently an Assistant Professor of Surgery in the Division of Vascular Surgery.  She is also a staff surgeon at the VA Palo Alto Health Care System (VAPAHCS). Dr. Ross also has a joint appointment with the  Department Biomedical Informatics Research.

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OIiver Aalami, MD

Clinical Associate Professor
Vascular Surgeon, VA Palo Alto Health Care System

Dr. Aalami graduated from Boston University School of Medicine in 1998. He completed his general surgery residency at the University of California, San Francisco-East Bay in 2005. During his residency, he completed a two-year post-doctoral fellowship at Stanford University researching transplantation immunology with Dr. Randall Morris and tissue engineering with Dr. Michael Longaker. He subsequently completed his vascular surgery fellowship at Northwestern University in 2007. During his fellowship, he spent one year performing translational research in Dr. Melina Kibbe’s lab evaluating the effects of nitric oxide on neointimal hyperplasia. He is board certified in both Surgery and Vascular Surgery.

Dr. Aalami joined Stanford Vascular Surgery in 2012. He is currently a Clinical Associate Professor of Surgery in the Division of Vascular Surgery. He is also a staff surgeon at the VA Palo Alto Health Care System (VAPAHCS). He serves as the Medical Director of the Vascular Laboratory at the VAPAHCS and is the education site director.

Dr. Aalami’s research interests include the development of minimally invasive vascular surgical devices and techniques, medical information technology and biology of neointimal hyperplasia.

 

Specialties: Vascular and endovascular treatment of abdominal and thoracic aortic aneurysms, dissections, vascular trauma, peripheral vascular disease, and dialysis access. Advancement of patient care through the development of innovative medical devices and health information technology.

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Venita Chandra, MD, FACS
Clinical Associate Professor of Surgery 
Co-Medical Director of the Stanford Wound Care Center
Vascular Surgery Fellowship Associate Program Director

Dr. Chandra earned her B.S. degree, Summa Cum Laude, in Genetics and Cell Biology from the University of Minnesota in 1999. She received her medical degree from the University of Chicago’s Pritzker School of Medicine and was elected to the Alpha Omega Alpha Honor Society in 2004. Dr. Chandra completed her general surgery residency at Stanford in 2011 and is a graduate of the Stanford Biodesign program. She completed her Stanford Vascular Surgery Fellowship in June 2013. She is board certified in both Surgery and Vascular Surgery.

Dr. Chandra joined Stanford Vascular Surgery in 2013. She is currently a Clinical Associate Professor of Surgery in the Division of Vascular Surgery.  She is also the co-director of the Stanford Wound Care Center as well as the Vascular Surgery Residency and Fellowship Associate Program Director.

Dr. Chandra's research interests include women’s vascular health, radiation safety, technology development and treatment optimization for complex open and endovascular treatment of peripheral vascular and aneurysmal disease.

Specialties: Women’s vascular health, traditional and percutaneous treatment of critical limb ischemia and peripheral vascular disease, complex aortic pathologies including aneurysm and dissection, vascular trauma, dialysis access and cerebrovascular disease.

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Tina Desai, MD, FACS
Clinical Associate Professor of Surgery

Dr. Tina Desai graduated from the Brown University Medical Education Program in Providence, Rhode Island in 1991. She completed her surgical residency in general surgery at the University of Chicago Hospitals and Clinics, including a 2-yr research fellowship, in 1998. She completed her Vascular Surgery Fellowship training at the University of Chicago Hospitals 1999. Dr. Desai has additionally completed a year-long fellowship in Medical Ethics at the MacLean Center for Clinical Medical Ethics at the University of Chicago in 2008. She is board certified in both surgery and vascular surgery.

Dr. Desai joined Stanford Vascular Surgery in 2015. She is currently a Clinical Associate Professor of Surgery in the Division of Vascular Surgery. Dr. Desai has previously served on the surgical faculty at the University of Chicago as Assistant Professor of Surgery and Director of Endovascular Services until 2010, and as Clinical Associate Professor of Surgery at the University of Chicago after joining NorthShore University HealthSystem in the Division of Vascular Surgery until 2015. Dr. Desai is a staff surgeon at Marin General Hospital and maintains a practice at the Stanford Health Care Emeryville Facility.

Dr. Desai’s research interests include mesenteric ischemia, vena cava filters in deep vein thrombosis, medical ethics, and the development of structured clinical documentation systems. She maintains a strong interest in resident and fellow education.

Specialties: endovascular and surgical treatment of abdominal and thoracic aortic pathology, extra-cranial cerebrovascular disease, and peripheral vascular disease, visceral ischemic syndromes, thoracic outlet syndrome, venous disease, and medical ethics.

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Manuel Garcia-Toca, MD
Clinical Associate Professor of Surgery

Dr. Garcia-Toca earned his medical degree at the Universidad Anahuac in Mexico 1999. He received his general surgery training at the Massachusetts General Hospital and Brown University in 2008. He then completed a Vascular Surgery fellowship at Northwestern University in 2010. Dr. Garcia-Toca is board certified in both surgery and vascular surgery.

Dr. Garcia-Toca joined Stanford Vascular Surgery in 2015. He is currently Clinical Associate Professor of Surgery in the Division of Vascular Surgery. Dr. Garcia-Toca had previously served as an Assistant Professor of Surgery at Brown University.  Dr. Garcia Toca is a Staff Surgeon at Santa Clara Valley Medical Center in San Jose.

His research interests include new therapeutic strategies and outcomes for the management of vascular trauma, cerebrovascular diseases, aortic dissection and aneurysms.

Specialties: Open and endovascular management of vascular trauma, aortic dissection, complex thoracic and abdominal aortic aneurysm disease, critical limb ischemia, extracranial cerebrovascular disease and dialysis access.

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Neelima Katragunta, MD, FACS
Clinical Associate Professor of Surgery

Dr. Katragunta earned her medical degree at the Armed Forces Medical College, Pune, India 2001. Following her internship in general surgery at The Western Pennsylvania Hospital (2007), she completed her general surgery residency at East Tennessee State University (2011). Dr. Katragunta completed her fellowship in vascular surgery at the University of Tennessee in 2013.  Dr. Katragunta is board certified in both Surgery and Vascular Surgery. 

Dr. Katragunta joined Stanford Vascular Surgery in 2017.  She is currently a Clinical Associate Professor of Surgery in the Division of Vascular Surgery. Dr. Katragunta previously served on the faculty at University of Iowa as a Clinical Assistant professor of Vascular Surgery and Staff Vascular Surgeon at the Veterans Affairs Medical Center in Iowa City. Dr. Katratunta is a Staff Surgeon at Marin General Hospital and maintains a practice at Stanford Health Care.

Her research interests include carotid stenting, hemodialysis access, aortic aneurysms, and peripheral arterial disease.

Specialties: Aortic aneurysms, aortic dissection, peripheral arterial disease, carotid stenosis, mesenteric vascular disease, hemodialysis access, and complex venous disease. 

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Ehab Sorial, MD

Clinical Associate Professor of Surgery

Dr. Ehab Sorial graduated from the University of Minya, Faculty of Medicine in Egypt 1994. He completed his general surgery residency from Harbor–UCLA Medical Center in Los Angeles and Western Reserve Care system in Youngstown, Ohio 2015. He completed his fellowship training in vascular surgery at the University of Kentucky in Lexington in 2007. Dr. Sorial is board certified in both Vascular Surgery and General Surgery.

He joined Stanford Vascular Surgery in 2015. He is currently Clinical Assistant Professor of Surgery in the Division of Vascular Surgery. Dr. Sorial had previously served as an Associate Professor at the University of Kentucky from 2007 through 2015. Dr. Ehab Sorial is a staff surgeon at the Santa Clara Valley Medical center in San Jose CA.

Specialties: Open vascular and endovascular surgery, aorto-iliac occlusive disease, open and minimally invasive repair of abdominal aortic aneurysms, open and minimally invasive repair of thoracic andthoraco-abdominal aortic aneurysms and aortic dissection, thoracic outlet syndrome, carotid, vertebral, subclavian and extra-cranial cerebrovascular arterial disease, carotid angioplasty/stenting, mesenteric, renal and visceral ischemia, lower and upper extremity arterial occlusive disease and venous insufficiency.


Jennifer Avise, MD

Clinical Assistant Professor of Surgery

Dr. Avise earned her BS degree Magna Cum Laude in biology and psychology from the University of Georgia in 2005. She received her medical degree (2009) and completed her general surgery residency (2014) at Emory University School of Medicine. She completed her vascular surgery fellowship from Wake Forest Medical Center in North Carolina in 2016. She is board certified in Surgery. 

She joined Stanford Vascular Surgery in 2016. She is currently a Clinical Assistant Professor of Surgery in the Division of Vascular Surgery. Dr. Avise maintains her practice at Stanford Health Care East Bay locations in Pleasanton and Emeryville, CA.  

Her research interests include improved outcomes through increased patient involvement in medical decision making and personalized healthcare treatment. 

Specialties: open and percutaneous treatment of peripheral vascular disease including management of claudication and limb salvage techniques, vascular trauma, dialysis access, treatment of venous disease, aortic disease including aneurysm and dissection, and management of carotid artery disease. 

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Eri Fukaya, MD, PhD
Clinical Assistant Professor of Surgery

Dr. Fukaya received her Ph.D. (2009) and M.D. (1999) from Tokyo Women’s Medical University in Japan, where she also completed her Plastic and Reconstructive Surgery training. Following her move to the United States, Dr. Fukaya completed her postdoctoral research studies in evaluating tissue viability with Dr. Harriet Hopf and lower extremity vascular imaging with Dr. David Saloner at the University of California, San Francisco. She then completed her Internal Medicine residency at Beth Israel Medical Center in New York and Lankenau Medical Center in Pennsylvania and subsequently her vascular medicine fellowship at the University of Pennsylvania. She is board certified in Vascular Medicine and Internal Medicine in the United States and Plastic and Reconstructive Surgery in Japan.

Dr. Fukaya joined Stanford Vascular Surgery in 2015. She is currently a Clinical Assistant Professor of Surgery in the Division of Vascular Surgery. Dr. Fukaya maintains her practice at Stanford Health Care in the Endovascular Clinic in Palo Alto, Advanced Wound Care Center in Redwood City, and Vascular and Vein Clinic in Portola Valley, CA.

Dr. Fukaya’s principal research interest includes interventions to increase physical activity and walking in patients with peripheral artery disease and utilizing mobile health with information technology to diagnose, treat and prevent disease.

Specialties: Vascular Medicine including chronic venous insufficiency, varicose veins, deep vein thrombosis, post thrombotic syndrome, assessment and medical management of peripheral vascular disease, carotid artery disease, cardiovascular risk evaluation, rare vascular disease, lymphedema, arterial/venous/diabetic ulcers, acute and chronic wound care, pressure ulcers and burns.

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Karthik Mikkineni, MD
Clinical Assistant Professor of Surgery

Dr. Mikkineni completed his medical degree at the Guntur Medical College, Guntur, India in 2010. He then completed his internship at New York-Presbyterian Hospital, Weill Cornell Medical Center followed by his integrated vascular surgery residency at Allegheny General Hospital, Temple and Drexel College of Medicine in 2017. 

Dr. Mikkineni joined Stanford Vascular Surgery in 2017. He is currently a Clinical Assistant Professor of Surgery in the Division of Vascular Surgery. Dr. Mikkineni maintains his practice at Stanford Health Care East Bay locations in Pleasanton and Emeryville, CA.  

His research interests include aortic aneurysm and pharmacological and bio-mechanical analyses in treatment of aneurysm, rupture risk prediction and vascular conduits. 

Specialties: Percutaneous, Endovascular treatment of Vascular diseases including management of claudication, limb salvage techniques, aortic pathology including aneurysms and dissections, thoracic outlet syndrome, carotid artery disease management, dialysis access, venous disorders and varicose veins, vascular trauma. 

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Michael Sgroi, MD

Clinical Assistant Professor of Surgery

Dr. Sgroi completed his medical degree at Michigan State University College of Human Medicine in 2010.  He then completed his general surgery residency at the University of California, Irvine in 2016.  He completed his vascular surgery fellowship at Stanford University School of Medicine in 2018.  Dr. Sgroi is board certified in general surgery.

Dr. Sgroi joined Stanford Vascular Surgery in 2018.  He is currently Clinical Assistant Professor of Surgery in the Division of Vascular Surgery.  Dr. Sgroi is a Staff Surgeon at Santa Clara Valley Medical Center in San Jose.

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Jordan R. Stern, MD
Clinical Assistant Professor of Surgery

Dr. Stern completed his medical degree at The Ohio State University College of Medicine in 2008. He then competed his general surgery residency at The University of Chicago Medicine which included a two-year research fellowship in Translational Systems Biology Medicine in 2015. He completed his vascular and endovascular fellowship at New York-Presbyterian Hospital (Columbia University Medical Center/Weill Cornell Medicine) in 2017. Dr. Stern is board certified in surgery.

Dr. Stern joined Stanford Vascular Surgery in 2017. He is currently Clinical Assistant Professor of Surgery in the Division of Vascular Surgery. He maintains a practice at both Stanford Health Care and the Palo Alto Veteran’s Hospital. 

His research interests include contemporary practice patterns and outcomes from endovascular and open surgical interventions, novel treatment strategies for complex aneurysm disease, and genetics of vascular disease

Specialties: Open and percutaneous treatment of peripheral vascular disease including management of claudication and limb salvage techniques, vascular trauma, dialysis access, treatment of venous disease, aortic disease including aneurysm and dissection, and management of carotid artery disease. 

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Christopher P. Cheng, PhD

Dr. Cheng earned his B.S.E. degree in Biomedical Engineering and Electrical Engineering from Duke University in 1998. He then earned his M.S. (2000) and Ph.D. (2002) in Mechanical Engineering at Stanford University, focused on cardiovascular biomechanics. Dr. Cheng is currently CEO of Koli, Inc., an early-stage medical device company developing a percutaneous solution to gallstone disease. Dr. Cheng is also the Director of the Vascular Intervention Biomechanics & Engineering Lab at Stanford (vibelab.stanford.edu).

Dr. Cheng’s academic research focuses on hemodynamics and vascular structure mechanics, with an emphasis on disease research and device interactions with the body. In his industry experience, Dr. Cheng has worked on early- to late-stage medical device design, coordinated manufacturing and mechanical evaluation activities, managed pre-clinical animal trials, and has advised the FDA regarding device fatigue, simulation, biomechanics, animal testing, and MRI safety/compatibility.

Specialties: Vascular biomechanics, medical imaging and image processing, geometric modeling, interaction between devices and vasculature, medical device design and evaluation, entrepreneurship


Cornelius Olcott, IV, MD 
Professor of Surgery Emeritus


Christoper K. Zarins, MD 
Professor of Surgery Emeritus
Division Chief Emeritus