School of Medicine
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Dr. Gerald R. Popelka, PhD
Consulting Professor of Otolaryngology
Senior Scientist, Rad/Radiological Sciences Laboratory
Current Role at StanfordFaculty Member, Stanford Center on Longevity, Advisory Council
Faculty Affiliate, Stanford Bio-X
Faculty Affiliate, Stanford Center for Population Health Sciences
Faculty Affiliate, Stanford Wu Tsai Neurosciences Institute
Faculty Member, Stanford Balance Center (Co-Founder)
Faculty Member, Stanford Wearable Electronics Initiative, eWEAR
Faculty Member, Stanford Center for Artificial Intelligence in Medicine & Imaging, AIMI
Faculty Member, Stanford PhD Dissertation Committees (5 total, 2 current)
Faculty Member, Stanford Undergraduate Advising (37 total, 2 current)
Clinical Associate Professor, Radiology
BioDr. Poullos is a native of Stockton California. He attended Santa Clara University where he earned his BS in Biology. He received his M.D. degree at the University of Texas Medical School at Houston, after which he did an Internal Medicine residency at the University of California-San Francisco, finishing in 2002. He stayed at UCSF as a Gastroenterology fellow until 2004. However, after a spinal cord injury, he decided to retrain in Radiology. He did his Radiology residency at Stanford University, where he also completed a fellowship In Body Imaging in 2009. Dr. Poullos is now faculty in both the departments of Radiology and Gastroenterology and Hepatology. His clinical practice is at the Stanford University Medical Center, where he interprets CT, MRI, and ultrasound primarily of the abdomen and pelvis. His interests include radiology of the acute abdomen, hepatobiliary imaging, and colorectal cancer screening.
Dr. Poullos is the Founder and Co-Chair of the Stanford Medicine Abilities Coalition (SMAC), a group composed of people with disabilities and their allies at Stanford Medicine. He is also a member of the Radiology Department Diversity Committee, the School of Medicine Faculty Senate Subcommittee on Diversity, and the School of Medicine Diversity Cabinet.
Postdoctoral Scholar, Molecular Imaging Program at Stanford
Current Research and Scholarly InterestsMy working is focused on building a 100 ps CTR pre-clinical partial ring TOF-PET scanner; specifically, by exploring, and designing high speed low noise/jitter instrumentation, and data acquisition.
I am also designing an scalable side-readout electronic to detect Cherenkov radiation and improve TOF resolution in PET detectors using BGO crystals.
Basic Life Research Scientist, Rad/Pediatric Radiology
BioDr. Rosita Primavera is a Basic Life Research Scientist at Stanford University in the Department of Radiology/Pediatric Radiology. She has a MD in chemistry and pharmaceutical technology and a PhD degree in Cellular and Molecular Biotechnologies. Dr. Primavera has documented experience on the development of nano- and micro-drug delivery systems (DDS) as well as 3D-platforms for the treatment of different diseases. She has trained in developing DDS and 3D-platforms with different materials (synthetic or natural) and employing different techniques (e.g. top/down or bottom/up fabrication). In the last few years, her research interests are focused primarily on diabetes. She has been extensively trained on how to handle and process pancreatic islets from different origins (mouse, rat and human) and she has excellent knowledge and skills to manage and perform in vitro and in vivo experiments involving diabetic animals. She is currently working on the realization of on-commanded system mimicking pancreatic islet function; and both the role of 3D-bioscaffold in pancreatic islet transplantation and the role of the mesenchymal stem cell in the setting of diabetes using novel cellular approaches (i.e. co-transplantation with islets alone or within novel bioscaffolds).
Benjamin Pulli, MD
Clinical Assistant Professor, Radiology
BioDr. Pulli is a dual fellowship trained diagnostic and interventional neuroradiologist with a focus on vascular disorders of the brain, head, neck, and spine. He is a clinical assistant professor in the Department of Radiology, Neuroradiology Division.
Having grown up in Austria, Dr. Pulli moved to the US after completing medical school in Innsbruck, Austria. He completed post-doctoral research training in stroke imaging in the Division of Neuroradiology at the Massachusetts General Hospital, as well as in experimental molecular imaging techniques of neuroinflammatory disorders at the Center for Systems Biology of Massachusetts General Hospital and Harvard Medical School.
He completed residency training in Radiology and fellowship training in Diagnostic Neuroradiology at the Massachusetts General Hospital in Boston. He then completed a second fellowship in interventional neuroradiology/neurointerventional surgery at Stanford University School of Medicine.
After having graduated from fellowship, Dr. Pulli then spent more than a year practicing Interventional Neuroradiology at Pacific Neuroscience Institute in Los Angeles. He employs state-of-the-art minimally invasive endovascular and percutaneous surgical techniques to treat patients with brain aneurysms, arteriovenous malformations, dural arteriovenous fistulas, carotid artery stenosis, acute stroke, chronic subdural hematoma, idiopathic intracranial hypertension, vascular tumors, and chronic back pain.
His research focuses on advanced imaging techniques for acute ischemic stroke and other neurovascular diseases. He has authored more than 40 peer-reviewed publications and received scientific grants from institutions such as the Radiological Society of North America and the Ernst Schering Foundation. In addition, he has made invited presentations to his peers at meetings of organizations such as the American Society of Neuroradiology, Radiological Society of North American, European Congress of Radiology, and Western Neuroradiological Society.
He is a member of the Society of Neurointerventional Surgery.