Stanford University


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  • Jeffrey Ullman

    Jeffrey Ullman

    Stanford Warren Ascherman Professor of Engineering , Emeritus

    BioJeff Ullman is the Stanford W. Ascherman Professor of Engineering
    (Emeritus) in the Department of Computer Science at Stanford and CEO
    of Gradiance Corp. He received the B.S. degree from Columbia
    University in 1963 and the PhD from Princeton in 1966. Prior to his
    appointment at Stanford in 1979, he was a member of the technical
    staff of Bell Laboratories from
    1966-1969, and on the faculty of Princeton University between
    1969 and 1979. From 1990-1994, he was chair of the Stanford Computer
    Science Department. Ullman was elected to the National Academy of
    Engineering in 1989, the American Academy of Arts and Sciences in
    2012, and has held Guggenheim and Einstein Fellowships. He has
    received the Sigmod Contributions Award (1996), the ACM Karl V. Karlstrom
    Outstanding Educator Award (1998), the Knuth Prize (2000),
    the Sigmod E. F. Codd Innovations award (2006), the IEEE von
    Neumann medal (2010), and the NEC C&C Foundation Prize (2017).
    He is the author of 16 books, including books
    on database systems, compilers, automata theory, and algorithms.

  • Adriana J. Umaña-Taylor

    Adriana J. Umaña-Taylor

    Professor of Education

    BioAdriana J. Umaña-Taylor, Ph.D. will join the Stanford faculty in Fall 2026 as a Professor of Adolescent Development in the Graduate School of Education. In her work, Dr. Umaña-Taylor seeks to apply developmental science in a manner that reduces disparities in psychological and academic adjustment and, in turn, promotes social justice. Her research is guided by socio-cultural ecological theories of development, developmental prevention science, and risk and resilience frameworks. She has collaborated with school districts and community organizations for over two decades to design and implement longitudinal, school- and community-based studies to better understand the experiences of adolescents and their families. Dr. Umaña-Taylor developed the Identity Project, a school-based curriculum that engages adolescents in the developmental process of ethnic-racial identity formation. Her recent studies test the efficacy and effectiveness of the Identity Project; explore strategies to better prepare educators to engage in conversations about race, ethnicity, and identity with students; examine the role of peer relationships in adolescents’ ethnic-racial identity development; and explore the universality of ethnic-racial-cultural identity as a developmental competency among adolescents in North America, Europe, and the Global South to support building a more global developmental science.

  • Ummey Hani, MBBS, MD

    Ummey Hani, MBBS, MD

    Postdoctoral Scholar, Neurosurgery

    BioHani is a Postdoctoral Research Fellow at Stanford University in the Neurosurgical Artificial Intelligence and Machine Learning Laboratory. She earned her medical degree from Sindh Medical College, Pakistan, and completed her internship at the Aga Khan University, where she was recognized as Class Valedictorian and among the top five interns of 2022. She then pursued a two-year postdoctoral fellowship at Carolina Neurosurgery and Spine Associates in Charlotte, North Carolina, affiliated with Wake Forest University School of Medicine, focusing on spine surgery outcomes and biomechanics. Before joining Stanford, she served as Junior Research Faculty for neuro-oncology research at the Aga Khan University in Karachi, Pakistan.

    Hani’s research spans neuro-oncology, spine surgery, biomechanics, and the application of AI/ML in neurosurgical innovation. With a deep commitment to academic neurosurgery, she is currently working towards securing a neurosurgical residency.

  • Ndidi Unaka

    Ndidi Unaka

    Clinical Professor, Pediatrics

    BioDr. Unaka is the inaugural Chief Health Equity Officer (CHEO) for Stanford Medicine Children’s Health (SMCH) and a Clinical Professor in the Department of Pediatrics at Stanford University School of Medicine. Prior to her transition to SMCH in July 2024, Dr. Unaka was a faculty member in the Division of Hospital Medicine at Cincinnati Children's Hospital. In addition to her clinical role as a pediatric hospitalist, Dr. Unaka served as the Associate Program Director of the Pediatric Residency Program from 2011 – January 2022. She served as the medical director of a 48- bed inpatient unit primarily for patients admitted to the Hospital Medicine service. In this role, Dr. Unaka was involved in several equity-oriented quality improvement initiatives which included work to identify, and address hunger among caregivers of hospitalized children insured by Medicaid.

    Dr. Unaka worked on institution-level community health initiatives at Cincinnati Children’s. She served as the Medical Director of Quality Improvement and Data Analytics for Cincinnati Children’s Medicaid- focused, accountable care organization (HealthVine). In this role, she developed and led initiatives designed to improve the quality and efficiency of health care delivery to HealthVine’s patient population and helped lead the change management associated with the movement toward a population-health care model that improves quality, narrows equity gaps, streamlines care, and reduces costs. She helped define appropriate health care delivery, equity, and population health measures and quality benchmarks. Additionally, Dr. Unaka was a faculty lead within Cincinnati Children's Fisher Child Health Equity Center, and she specifically focused on working with operations leaders to ensure equity was embedded within all strategic plans, goals, and metrics across all sites of care. Dr. Unaka partnered with several colleagues to lead system-wide quality improvement initiatives including work accelerated via learning networks. She was the co-lead of Cincinnati Children's Health Equity Network (HEN), an initiative borne out of the pursuit of excellent and equitable health outcomes for youth in Greater Cincinnati. The HEN supports clinical teams seeking to eliminate disparities in child health outcomes by race, ethnicity, and/or socioeconomic status via targeted interventions and best practices by addressing both medical and social factors known to confer poor health outcomes.