School of Medicine


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  • Tulio Valdez

    Tulio Valdez

    Associate Professor of Otolaryngology (Pediatric) and, by courtesy, of Pediatrics at the Lucile Salter Packard Children's Hospital

    Bio Dr. 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 airway surgery and swallowing disorders. 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 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 the 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

    Assistant Professor of Neurology and of Pediatrics at the Stanford University Medical Center

    Current Research and Scholarly Interests Our research group is dedicated to innovating care for children with degenerative brain disorders. We are particularly focused on genetic and autoimmune disorders that cause damage to the myelin (the fatty insulation around the nerves) of the brain and spinal cord. X-linked adrenoleukodystrophy (genetic) and multiple sclerosis (autoimmune) are the prototypical examples of degenerative disorders of myelin and are the two disorders we study most intensively.

  • Krisa Van Meurs

    Krisa Van Meurs

    Rosemarie Hess Professor in Neonatal and Developmental Medicine

    Current Research and Scholarly Interests My 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.

  • Hannes Vogel MD

    Hannes Vogel MD

    Professor of Pathology and of Pediatrics (Pediatric Genetics) and, by courtesy, of Neurosurgery and of Comparative Medicine at the Stanford University Medical Center

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

  • David Vu

    David Vu

    Instructor, Pediatrics - Infectious Diseases

    Bio Dr. 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.

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