School of Medicine


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  • Matthew Porteus

    Matthew Porteus

    Sutardja Chuk Professor of Definitive and Curative Medicine

    BioDr. Porteus was raised in California and was a local graduate of Gunn High School before completing A.B. degree in “History and Science” at Harvard University where he graduated Magna Cum Laude and wrote an thesis entitled “Safe or Dangerous Chimeras: The recombinant DNA controversy as a conflict between differing socially constructed interpretations of recombinant DNA technology.” He then returned to the area and completed his combined MD, PhD at Stanford Medical School with his PhD focused on understanding the molecular basis of mammalian forebrain development with his PhD thesis entitled “Isolation and Characterization of TES-1/DLX-2: A Novel Homeobox Gene Expressed During Mammalian Forebrain Development.” After completion of his dual degree program, he was an intern and resident in Pediatrics at Boston Children’s Hospital and then completed his Pediatric Hematology/Oncology fellowship in the combined Boston Chidlren’s Hospital/Dana Farber Cancer Institute program. For his fellowship and post-doctoral research he worked with Dr. David Baltimore at MIT and CalTech where he began his studies in developing homologous recombination as a strategy to correct disease causing mutations in stem cells as definitive and curative therapy for children with genetic diseases of the blood, particularly sickle cell disease. Following his training with Dr. Baltimore, he took an independent faculty position at UT Southwestern in the Departments of Pediatrics and Biochemistry before again returning to Stanford in 2010 as an Associate Professor. During this time his work has been the first to demonstrate that gene correction could be achieved in human cells at frequencies that were high enough to potentially cure patients and is considered one of the pioneers and founders of the field of genome editing—a field that now encompasses thousands of labs and several new companies throughout the world. His research program continues to focus on developing genome editing by homologous recombination as curative therapy for children with genetic diseases but also has interests in the clonal dynamics of heterogeneous populations and the use of genome editing to better understand diseases that affect children including infant leukemias and genetic diseases that affect the muscle. Clinically, Dr. Porteus attends at the Lucille Packard Children’s Hospital where he takes care of pediatric patients undergoing hematopoietic stem cell transplantation.

  • George A. Poultsides, MD, MS

    George A. Poultsides, MD, MS

    Professor of Surgery (General Surgery)

    Current Research and Scholarly InterestsClinical trials of experimental diagnostics and therapeutics; outcomes analysis following combined modality treatment of hepatic, pancreatic, and gastrointestinal malignancies.

  • Guillem Pratx

    Guillem Pratx

    Associate Professor of Radiation Oncology (Radiation Physics)

    Current Research and Scholarly InterestsThe Physical Oncology Lab is interested in making a lasting impact on translational cancer research by building novel physical tools and methods.

  • Judith Prochaska

    Judith Prochaska

    Senior Associate Vice Provost, Clinical Research Governance and Professor of Medicine (Stanford Prevention Research Center)

    Current Research and Scholarly InterestsDr. Prochaska's research expertise centers on technology-mediated health behavior change interventions including targets of tobacco, physical activity, and dietary change. Working with Alaska Native and Latino communities, people with serious mental illness, alcohol and drug problems, or heart disease, and jobseekers and the unhoused, Dr. Prochaska’s research combines stage-tailored interventions with pharmacotherapy and utilizes interactive expert system interventions and social media.

  • Carla Pugh, MD, PhD

    Carla Pugh, MD, PhD

    Thomas Krummel Professor

    Current Research and Scholarly InterestsThe Technology Enabled Clinical Improvement (T.E.C.I.) Center is a multidisciplinary team of researchers dedicated to the design and implementation of advanced engineering technologies that facilitate data acquisition relating to clinical performance.

  • Silvina Pugliese, MD

    Silvina Pugliese, MD

    Clinical Associate Professor, Dermatology

    BioSilvina Pugliese, M.D., is a Clinical Assistant Professor of Dermatology and Attending Physician at the Stanford Medicine Outpatient Center and Stanford Cancer Institute. She attended medical school at Boston University and completed her residency at Loma Linda, serving as Chief Resident in her final year. Dr. Pugliese practices Supportive Dermato-Oncology (SDO) at the Stanford main campus and also launched the South Bay Cancer Center's SDO Clinic in 2015. She is interested in the management of cutaneous complications associated with chemotherapy, radiation therapy, organ transplantation, and their impact on patient quality of life.

  • Lei (Stanley) Qi

    Lei (Stanley) Qi

    Associate Professor of Bioengineering

    BioDr. Lei (Stanley) Qi is Associate Professor of Bioengineering, Sarafan ChEM-H, and a Chan Zuckerberg Biohub Investigator. Dr. Qi is a principal contributor to the development of CRISPR technologies for genome engineering beyond gene editing. His lab created the first nuclease-deactivated Cas9 (dCas9) for targeted gene regulation in cells. His lab has invented a CRISPR toolbox for engineering the epigenome, including CRISPRi and CRISPRa for targeted gene repression and activation, epigenome editing, LiveFISH for real-time DNA/RNA imaging, CRISPR-GO for 3D genome manipulation, CasMINI as a compact CRISPR system for gene therapy, hyperCas12a for multi-gene engineering, and CRISPR antivirals aimed at treating broad RNA viruses.

    Dr. Qi obtained B.S. in Physics and Math from Tsinghua University in 2005, and Ph.D. in Bioengineering from the University of California, Berkeley in 2012. He was a Systems Biology Faculty Fellow at UCSF between 2012-2014, and joined Stanford faculty in 2014. His research focuses on mammalian synthetic biology, epigenetic engineering, immune cell engineering, directed evolution, and novel approaches for gene therapy.

  • Stephen Quake

    Stephen Quake

    Lee Otterson Professor in the School of Engineering and Professor of Bioengineering, of Applied Physics and, by courtesy, of Physics

    Current Research and Scholarly InterestsSingle molecule biophysics, precision force measurement, micro and nano fabrication with soft materials, integrated microfluidics and large scale biological automation.

  • Sneha Ramakrishna

    Sneha Ramakrishna

    Assistant Professor of Pediatrics (Hematology/Oncology)

    BioSneha Ramakrishna obtained her B. A. from the University of Chicago and her M.D. from the Cleveland Clinic Lerner College of Medicine at Case Western Reserve University. In medical school, through the Howard Hughes Medical Research Scholar Award, she joined Dr. Crystal Mackall’s laboratory, where she designed and developed various GD2 CAR-Ts and tested them in preclinical models. During her residency training in Pediatrics at the Children’s Hospital of Philadelphia, she cared for some of the first patients treated with CD19 CAR T cells, learning the power of this therapy first-hand. During her fellowship in Pediatric Hematology/Oncology at the Johns Hopkins/National Cancer Institute combined program, she worked with Dr. Terry Fry. She evaluated the mechanism of CD22 CAR T cell relapse in patients by developing an antigen escape model and establishing a deeper understanding of the effects of antigen density on CAR-T phenotype, expansion, and persistence (Fry…Ramakrishna…Mackall Nat Med, 2018; Ramakrishna, et al., Clinical Cancer Research, 2019). Since arriving at Stanford, Dr. Ramakrishna leads an interdisciplinary team that designs, develops, and successfully implements a robust correlative science platform for our novel CAR-T therapies. Analyzing patient samples from our first-in-human GD2 CAR-T trial (NCT04196413) treating a universally fatal cancer, diffuse midline glioma (DMG), we identified that intracerebroventricular CAR-T administration correlates with enhanced pro-inflammatory cytokines and reduced immunosuppressive cell populations in cerebrospinal fluid as compared to intravenous CAR-T administration (Majzner*, Ramakrishna*, et al., Nature 2022 *co-first authors). Her research program evaluates unique sets of patient samples using novel single-cell immune profiling to identify the drivers of CAR-T success or failure. Building on these findings, her team assesses approaches to enhance CAR-T efficacy and translate these findings to the clinic.

    Clinically, Dr. Ramakrishna cares for children with solid tumors and treats hematologic, solid, and brain tumor pediatric patients with CAR T cell therapies in the Cancer Cellular Therapies program.

  • Kavitha Ramchandran

    Kavitha Ramchandran

    Clinical Professor, Medicine - Oncology

    Current Research and Scholarly InterestsMy research focuses on innovative models of care delivey to understand how to integrate primary and specialist palliative care. We also do work in palliative care education and how to scale our education to be impactful and sustainable. We are evaluating online models.

    In cancer care I do research on novel therapeutics in thoracic malignancies including immunotherapy, new targeted agents, and new sequencing of approved drugs.

  • Jianghong Rao

    Jianghong Rao

    Professor of Radiology (Molecular Imaging Program at Stanford) and, by courtesy, of Chemistry

    Current Research and Scholarly InterestsProbe chemistry and nanotechnology for molecular imaging and diagnostics