Stanford Cancer Institute Directory


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    Professor (Research) of Pediatrics (Adolescent Medicine) and, by courtesy, of Health Research and Policy (Epidemiology)


    Dr. Halpern-Felsher is a developmental psychologist whose research has focused on cognitive and psychosocial factors involved in adolescents’ and young adults’ health-related decision-making, perceptions of risk and vulnerability, health communication, and risk behavior. Her research has focused on understanding and reducing health risk behaviors such as tobacco use, alcohol and marijuana use, risky driving, and risky sexual behavior. Her research has been instrumental in changing how providers discuss sexual risk with adolescents and has influenced national policies regulating adolescent and young adult tobacco use. As part of the Tobacco Center's of Regulatory Science (TCORS), she is the PI on an NIH/NCI and FDA-funded longitudinal study examining adolescents’ and young adults’ perceptions regarding as well as initiation, continuation, and cessation of current and new tobacco products, including e-cigarettes and smokeless tobacco. Dr. Halpern-Felsher is also the founder and director of the Tobacco Prevention Toolkit, an online curricular aimed at reducing and preventing youth tobacco use. Dr. Halpern-Felsher’s research and committee work have been instrumental in setting policy at the local, state, and national level. In California, Dr. Halpern-Felsher’s research was cited in support of school-based tobacco education initiatives within California’s Tobacco Education Research Oversight Committee’s 2012 Masterplan, and again in their 2017 Masterplan. This Masterplan sets funding priority areas for research, education and intervention for California. Dr. Halpern-Felsher is also collaborating with the California Department of Education to develop, implement and evaluate new school-based tobacco prevention and education materials. At the national level, Dr. Halpern-Felsher’s research was highlighted in the 2012 Surgeon General Report, ”Preventing Tobacco Use among Youth and Young Adults,” and Dr. Halpern-Felsher contributed to the chapter on Clinical interventions: The role of health care providers in the prevention of youth tobacco use. Dr. Halpern-Felsher has been a member of five Institute of Medicine, National Academies of Sciences committees focusing on adolescent and young adult health risk behavior. She has served on the Board of Directors of the Society for Adolescent Health and Medicine and currently serves on the Council for the Society for Pediatric Research (SPR), and Co-Chairs the SPR Mentoring Committee. In 2007, Dr. Halpern-Felsher became one of the Program Directors for the NIH/NIDDK-funded Short-Term Research Experience for Underrepresented Persons (STEP-UP), High School Program. She has received two NIH 5-year grants to coordinate this program thus far. For this Step-Up Program, Dr. Halpern-Felsher mentors and supervises 22-25 junior and senior high school students each year. These high students are recruited throughout the country, and conduct their 8-10 weeks of research in their hometown. In addition to mentoring high school students, Dr. Halpern-Felsher has been a mentor to over 75 graduate and medical students and postdoctoral fellows.
    Ph.D. Student in Cancer Biology, admitted Autumn 2016
    Assistant Professor (Research) of Neurosurgery and of Medicine (Biomedical Informatics)
    Dr. Morris Herzstein Professor in Biology, Emeritus
    Professor of Radiation Oncology (Radiation Therapy) at Stanford University Medical Center


    Dr. Steven Hancock is a Professor of Radiation Oncology at Stanford University Medical Center who has practiced at Stanford for over 30 years. He specializes in genitourinary cancers, such as prostate cancer, bladder cancer, kidney cancer, penile and urethral cancers. He also specializes in radiation and radiosurgery treatment of malignant and benign conditions that affect the central nervous system, including glioblastoma, astrocytoma, oligodendroglioma, meningioma, acoustic neuroma, arteriovenous malformations, and hemangioblastomas associated wtih Von Hippel Lindau syndrome. Dr. Hancock serves on the National Cancer Center Network (NCCN) guidelines panels for Kidney and Testicular cancers. Research activities have involved initial clinical trials of radiation sensitizer and hypoxic cell cytotoxic agents, initial clinical evaluation of the Cyberknife radiosurgical instrument and longitudinal studies of treatment outcomes and late effects of radiation therapy, such as secondary malignancies and radiation associated cardiovascular disease. Current interests are in the application of new imaging and treatment technologies for improving tumor control and minimizing short and long term side effects of radiation and combined modality therapy.
    Associate Professor of Biochemistry
    Professor of Neurosurgery and, by courtesy, of Otolaryngology-Head and Neck Surgery at the Stanford University Medical Center
    Professor (Research) of Medicine, Emeritus
    John A. Overdeck Professor, Professor of Statistics and of Biomedical Data Sciences
    Associate Professor of Neurosurgery and, by courtesy, of Neurology at the Stanford University Medical Center


    I am a brain tumor neurosurgeon, treating patients with malignant and benign tumors, including glioma, brain metastases, meningioma, vestibular schwannoma, and pituitary adenomas. Our lab seeks greater understanding of the genetic and epigenetic mechanisms driving tumorigenesis and disease progression in malignant brain tumors. We currently study the capacity of cellular and cell-free DNA to inform treatment choices in patients with brain tumors. We also use single cell and cell subtype-specific transcriptomics to identify and target infiltrating glioblastoma. We hope to identify potentially targetable genes crucial in tumorigenesis. Our laboratory is a unique and collaborative working environment, engaged in a dynamic research environment at Stanford. Our laboratory space lies at the heart of the Stanford campus between the core campus and the medical facilities, emblematic of the translational aspects of our work.