School of Medicine


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  • 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.

  • Tulio Valdez, MD, MSc

    Tulio Valdez, MD, MSc

    Professor of Otolaryngology - Head & Neck Surgery (OHNS) and, by courtesy, of Pediatrics

    BioDr. Tulio A Valdez is a surgeon scientist born and raised in Colombia with a subspecialty interest in Pediatric Otolaryngology. He attended medical school at Universidad Javeriana in Bogota Colombia before undertaking his residency in Otolaryngology, Head and Neck Surgery in Boston. He completed his Pediatric Otolaryngology Fellowship at Texas Children’s Hospital (2007), Houston and obtained his Master’s in Clinical and Translational Research at the University of Connecticut.

    Clinically, Dr. Valdez has an interest in pediatric sleep apnea. He has a special interest in the management of sinus disease in cystic fibrosis. Dr. Valdez has co-authored one textbook and numerous book chapters and scientific manuscripts. Dr. Valdez continues his clinical research in these areas, particularly with a focus on aerodigestive disorders.

    Scientifically, Dr. Valdez has developed various imaging methods to diagnose otitis media and cholesteatoma a middle ear condition that can lead to hearing loss. He was part of the Laser Biomedical Research Center at the Massachusetts Institute of Technology. His research includes novel imaging modalities to better diagnose ear infections one of the most common pediatric problems. His research has now expanded to include better intraoperative imaging modalities in pediatric patients to improve surgical outcomes without the need for radiation exposure. 

    Dr. Valdez believes in multi-disciplinary collaborations to tackle medical problems and has co-invented various medical devices and surgical simulation models.

  • Keith Van Haren, MD

    Keith Van Haren, MD

    Associate Professor of Neurology and Neurological Sciences (Pediatric Neurology) and of Pediatrics
    On Leave from 09/08/2025 To 12/07/2025

    Current Research and Scholarly InterestsOur research team is working to develop new treatments for children at risk of neurodegenerative diseases. We are primarily focused on multiple sclerosis and X-linked adrenoleukodystrophy, two conditions that involve inflammatory and metabolic disruption of the myelin that insulates brain cells. A key area of interest for us is how nutrient deficiencies during childhood may contribute to the disease processes and whether nutritional interventions could play a role in prevention.

  • Krisa Van Meurs

    Krisa Van Meurs

    Rosemarie Hess Professor, Emerita

    Current Research and Scholarly InterestsMy research interests include persistent pulmonary hypertension of the newborn, hypoxic respiratory failure, inhaled nitric oxide therapy, ECMO, congenital diaphragmatic hernia, neonatal clinical trials, and the use of aEEG and NIRS to detect brain injury.

  • Teresa Michelle Vente

    Teresa Michelle Vente

    Clinical Associate Professor, Pediatrics
    Clinical Associate Professor (By courtesy), Psychiatry and Behavioral Sciences - Child & Adolescent Psychiatry and Child Development

    BioTeresa Vente, DO, MPH is a pediatrician, psychiatrist, and palliative care physician at Lucile Packard Children’s Hospital at Stanford. Her clinical and research interests include expanding psychiatry support for pediatric palliative care patients. Her academic interests include curriculum development and medical education for trainees and clinicians at all levels. She is a facilitator for both VitalTalk and EPEC (Education in Palliative and End-of-Life Care) programs nationally and internationally. Prior to coming to Stanford, she was an assistant professor at Ann & Robert H. Lurie Children’s Hospital and Northwestern University where she served as program director for the pediatric and perinatal palliative care fellowship tracks, and most recently she was an assistant professor at Weill Cornell Medicine.

  • Hannes Vogel MD

    Hannes Vogel MD

    Professor of Pathology and of Pediatrics (Pediatric Genetics) and, by courtesy, of Neurosurgery, Neurology and Neurological Sciences and of Comparative Medicine

    Current Research and Scholarly InterestsMy research interests include nerve and muscle pathology, mitochondrial diseases, pediatric neurooncology, and transgenic mouse pathology.

  • David Vu

    David Vu

    Clinical Associate Professor, Pediatrics - Infectious Diseases

    BioDr. Vu is a pediatric infectious diseases specialist who is researching human responses to dengue virus and malaria infections. He performed his undergraduate studies at the University of California, San Diego, and obtained his medical doctorate at the University of Pennsylvania School of Medicine. He trained in general pediatrics at UCSF Benioff Children's Hospital Oakland, and in pediatric infectious diseases at Emory University School of Medicine. His present studies on pediatric dengue and malaria co-infection are supported by an NIAID Career Development Award (K23 AI127909) and a Instructor K Award Support Program Award from the Maternal & Child Health Research Institute and Department of Pediatrics.

  • Claire E Wakefield

    Claire E Wakefield

    Professor of Pediatrics (Quality of Life and Palliative Care)

    BioI am a medical psychologist and researcher dedicated to improving quality of life for children affected by serious illness, as well as their families. My research spans pediatric palliative care, precision medicine, psycho-oncology, and global health, and is grounded in a deep commitment to compassionate, patient-centered care. I have published more than 340 journal articles and am named as Chief Investigator on competitive research grants totaling more than $55M.

    I serve as Continental President of SIOP Oceania and as a Director on the Board of the International Society of Pediatric Oncology (SIOP), advocating for children with cancer across 14 countries. I advise the World Health Organization on global childhood cancer initiatives and am a proud member of the Presidential Task Force on Advocacy for the Society of Pediatric Psychology. I am passionate about building national and global capacity in pediatric palliative care and ensuring that every child and family receives not only the best medical treatment, but also the emotional and psychological support they need.

  • Dennis Wall

    Dennis Wall

    Professor of Pediatrics (Clinical Informatics), of Biomedical Data Science and, by courtesy, of Psychiatry and Behavioral Sciences

    Current Research and Scholarly InterestsSystems biology for design of clinical solutions that detect and treat disease

  • C. Jason Wang, MD, PhD

    C. Jason Wang, MD, PhD

    LCY: Tan Lan Lee Professor and Professor of Pediatrics (General Pediatrics) and of Health Policy

    BioDr. Wang is the Director of Center for Policy, Outcomes and Prevention. Prior to coming to Stanford in 2011, he was a faculty member at Boston University Schools of Medicine and Public Health. His other professional experiences include working as a management consultant with McKinsey and Company and serving as the project manager for Taiwan's National Health Insurance Reform Task-force. His current interests include: 1) pandemic preparedness; 2) role of generative Ai on child health and development; 3) use of mobile technology in improving quality of care; 4) assessing and improving the value of healthcare, and 5) healthcare delivery innovations and payment reforms.

  • Ellen Wang

    Ellen Wang

    Clinical Professor, Anesthesiology, Perioperative and Pain Medicine
    Clinical Professor, Clinical Informatics

    BioEllen Wang, MD is a Clinical Associate Professor of Pediatric Anesthesiology and Medical Director of Clinical Informatics for Perioperative Services at Lucile Packard Children’s Hospital Stanford. She is board-certified in Pediatric Anesthesiology and Clinical Informatics, with particular emphasis on EHR enhancement and optimization projects that support surgical, nursing, and pediatric and obstetric anesthesia workflows. She is also Chief of Operations of the Stanford Chariot Program, combining her interest in clinical care, process improvement, data analytics and research with virtual/augmented reality technologies to advance and evolve standards in patient care.