School of Medicine


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  • Lei Stanley Qi

    Lei Stanley Qi

    Assistant Professor of Bioengineering and of Chemical and Systems Biology

    BioDr. Lei Stanley Qi is assistant professor in the Department of Bioengineering and the Department of Chemical and Systems Biology, and a faculty fellow in Stanford ChEM-H. Dr. Qi is one major contributor to the CRISPR genome engineering technologies. He developed the first use of the nuclease-deactivated Cas9 (dCas9) for sequence-targeted gene regulation in prokaryotic and eukaryotic cells. His lab further develops a broad CRISPR toolbox and technologies for precise gene regulation, epigenome editing, live cell DNA/RNA imaging (LiveFISH), 3D genome manipulation (CRISPR-GO), CRISPR antivirals for targeting RNA viruses (PAC-MAN), and miniature CRISPR (CasMINI) for gene therapy. His lab currently develops new technologies that combine genome engineering with synthetic biology to understand the functions of genomics and develop novel gene therapy. He obtained B.S. in Physics from Tsinghua University, Ph.D. in Bioengineering from the University of California Berkeley in 2012, and became a UCSF Systems Biology Faculty Fellow in 2012. He joined the faculty at Stanford University in 2014.

  • Susan Ruyu Qi, MD

    Susan Ruyu Qi, MD

    Masters Student in Clinical Informatics Management, admitted Summer 2021
    Course Asst-Student, Graduate School of Business - Other Faculty

    BioSusan Ruyu Qi, MD, is an Ophthalmology Resident (PGY4) from Canada currently at Stanford for a Master of Science program in Clinical Informatics Management. She is passionate about innovation in medicine, particularly the role of Artificial Intelligence in the field of ophthalmology. She was Editor in Chief of one of the first Medium publications dedicated to AI in Healthcare back in 2017.

    In her spare time, she has completed the Machine Learning Certificate from Stanford on Coursera and is pursuing an online MBA program at Quantic School of Business. In residency, her research interest focused on Immediately Sequential Bilateral Cataract Surgery (ISBCS), Topography-guided LASIK outcomes, and the clinical trial of a novel retinal oximetry device, Zilia Ocular.

    Having grown up in Montreal, Canada and China, she is fully fluent in English, French and Mandarin Chinese, and works occasionally as a medical translator. She holds a Doctor of Medicine (M.D.) degree from Université de Montréal.

  • Zhen Qi

    Zhen Qi

    Postdoctoral Scholar, Stem Cell Biology and Regenerative Medicine

    Current Research and Scholarly InterestsMy research focuses on understanding the mechanisms of breast cancer initiation and progression.

  • Xiang Qian

    Xiang Qian

    Stanford Medicine Endowed Director, Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
    Clinical Associate Professor, Anesthesiology, Perioperative and Pain Medicine
    Clinical Associate Professor (By courtesy), Neurosurgery

    Current Research and Scholarly InterestsClinical Interests
    -Pain Medicine:
    Facial pain
    Migraine and headache
    Trigeminal Neuralgia and Glossopharyngeal neuralgia
    Cancer Pain
    Spine Disease
    Neuropathic pain
    Interventional Surgery
    CT guided Procedure
    Opioid Management

    -Facial Nerve neuralgia and neuropathy
    Hemifacial Spasm
    CT guided awake RFA of facial nerve

    Research Interests:
    -Medical device development
    -AI based headache diagnosis and management
    -CT guided intervention
    -Intra-nasal endoscopy guided procedure
    -Optogenetics
    -Mechanisms of neuropathic pain
    -Ion channel and diseases
    -Neurotoxicity of anesthetics

  • Yushen Qian, MD

    Yushen Qian, MD

    Clinical Assistant Professor, Radiation Oncology - Radiation Therapy

    BioDr. Qian is a board-certified radiation oncologist and a clinical assistant professor in the Stanford University School of Medicine, Department of Radiation Oncology.

    In his clinical practice, he specializes in urologic, head and neck, and thoracic cancers, but treats a broad spectrum of cancers including lymphoma, gastrointestinal, and brain tumors. For each patient, he develops a comprehensive, compassionate care plan customized to individual needs. His goal is to deliver the most effective cancer treatment to help patients enjoy the best possible health and quality of life.

    In addition to his clinical practice, Dr. Qian has conducted extensive research that is often focused on the impact of radiation therapy on patient outcomes and health care system costs.

    He has presented the findings at annual meetings of the American Radium Society, American Society for Radiation Oncology, American Society of Clinical Oncology Cancer Survivorship Symposium, Palliative Care in Oncology Symposium, and elsewhere.

    Dr. Qian has published articles in journals such as Clinical Cancer Research, the Journal of Clinical Oncology, Practical Radiation Oncology, the International Journal of Radiation Oncology • Biology • Physics (IJROBP), and more.

    Dr. Qian co-authored the chapter on radiation therapy for liver tumors in the book Radiation Therapy for Hepatocellular Carcinoma: Clinical Data. He also co-authored the chapter on liver care for the book Stereotactic Radiosurgery and Stereotactic Body Radiation Therapy.

    He has earned numerous honors, including the Malcolm A. Bagshaw Award for leadership and outstanding scientific achievement.