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Tracy E. Waasdorp, PhD, MEd
Dr. Waasdorp’s research focuses on translating child development theory and literature into prevention and intervention programming as well as examining the efficacy of school-based programming. Her programs aim to reduce bullying and aggression, improve children’s social and emotional skills, and help adults promote children’s positive peer relationships. She also has a strong focus on research methodology and related statistics.
Kelly Wade, MD, PhD, MSCE
Dr. Wade is an attending neonatologist at CHOP Newborn Care at Pennsylvania Hospital and CHOP, as well as professor of Clinical Pediatrics at the Perelman School of Medicine at the University of Pennsylvania. Her research focuses on clincial care of infants in the NICU.
Roy Wade, Jr., MD, PhD, MPH, MSHP
Dr. Wade is a pediatrician at Children's Hospital of Philadelphia and on faculty in the Perelman School of Medicine at the University of Pennsylvania. His research focuses on identifying adverse childhood experiences such as poverty, racism, and traumatic stress and their effects throughout life.
Amy Waldman, MD, MSCE
Dr. Waldman works to understand metrics to quantify disease burden in acquired and genetic neurologic disorders that affect the white matter of the brain. She also focuses on clinical trial methodology to bring novel therapies to neurodegenerative diseases.
Douglas C. Wallace, PhD
Dr. Wallace is a geneticist and evolutionary biologist who founded the field of mitochondrial medicine 40 years ago. He investigates the role of mitochondria in human evolution, health, and disease.
Kate E. Wallis, MD, MPH
Dr. Wallis explores socio-demographic disparities in the diagnosis of developmental disorders and autism spectrum disorder (ASD), and the process of screening for these conditions in pediatric primary care. She aims to develop and test strategies to improve developmental outcomes for all children and to bridge gaps in identification and care for low-income and minority children and girls with developmental delays and autism spectrum disorder.
Elizabeth Walshe, PhD
Dr. Walshe's research uses cognitive, neuropsychological, and neuroscientific techniques to understand higher-level cognitive control over the complex and high-risk motor task of driving. In particular, Dr. Walshe investigates how cognitive development in young drivers may impact driver safety.
Jennifer Walter, MD, PhD, MS
Dr. Walter's research in the pediatric cardiac intensive care unit includes the customization of an interprofessional team and family-based intervention to improve communication about goals of care, and teamwork and evaluation of the intervention. Knowledge gained from this research will guide future interventions to improve outcomes for pediatric patients with advanced heart disease and their families.
Joy Wan, MD, MSCE
Dr. Wan focuses her research on chronic inflammatory skin diseases, primarily atopic dermatitis and psoriasis. Through her work she aims to understand and address the health, social, and life impacts of chronic skin disease in children.
Qin Wang, PhD
Dr. Wang is involved in several projects that aim to investigate the pathological function of the novel protein variants identified from neurodevelopmental patients and to explore how to promote functional axon regeneration after traumatic brain injury or neurodegeneration.
Leah Wang, MA
Leah Wang, MA, is a psychology doctoral student in clinical psychology at the University of Pennsylvania.
Kai Wang, PhD
Dr. Wang's research focuses on the development of bioinformatics methods to improve the understanding of the genetic basis of human diseases, and the integration of electronic health records and genomic information to facilitate genomic medicine on scale.
Dah-Jyuu Wang, PhD
Dr. Wang works on biomarker identification using multiparametric magnetic resonance imaging and homo- and hetero-nuclear spectroscopy techniques for pediatric disease research including tumors, iron overload, cystic fibrosis, muscular dystrophy, autism, mitochondrial, Gaucher’s, and Canavan’s diseases.
Christopher G. Ward, MD
Dr. Ward works to understand the possible long-term effects of anesthesia on the developing brain using both basic science and clinical studies. Clinically, he focuses on the anesthetic care of neurosurgical patients, patients with difficult airways, and patients with epidermolysis bullosa.
Julia T. Warren, MD, PhD
Dr. Warren studies normal and aberrant hematopoiesis, with a special interest in granulopoiesis. Her research aims to understand the pathogenesis of severe congenital neutropenia and its risk for malignant transformation. She has a clinical interest in neutropenia syndromes including clinical trials.
Evan Weber, PhD
Dr. Weber is developing approaches to enhance CAR-T cell therapies for pediatric cancer by reprogramming T cells with improved durability and exhaustion resistance. His work will uncover molecular mechanisms that promote CAR-T cell exhaustion and identify new targets for therapeutic intervention.
David R. Weber, MD, MSCE
Dr. Weber is a clinical researcher focused on improving bone health in children. He is currently focused on investigating the effects of effects of type 1 diabetes and Duchenne muscular dystrophy on the skeleton.
Jennifer Webster, DO, MSHP
Dr. Webster is part of the Lustgarten Center for GI Motility and works to understand the underlying etiology of constipation in children. She also focuses on motility disorders and manometry studies for diagnosis.
Ari Weintraub, MD
Dr. Weintraub is interested in using data from the electronic health record for the purposes of quality improvement and optimization of the user experience.
Anna K. Weiss, MD, MSEd
Dr. Weiss focuses on trainee assessment in the clinical learning environment, and on drivers of wellness and burnout in the workplace. She has a particular interest in understanding the intersection between trainee and educator identity and its impact on learners' personal and professional success.
Pamela F. Weiss, MD, MSCE
Dr. Pamela Weiss is an experienced academic pediatric rheumatologist with advanced training in clinical epidemiology and a focus on early diagnosis, accurate phenotyping, and targeted treatment of children with juvenile arthritis. Her research consists of a mixture of prospective interventional, prospective observational and retrospective large database-driven work.
Matthew D. Weitzman, PhD
Dr. Weitzman's research program aims to understand host responses to virus infection, and the cellular environment encountered and manipulated by viruses. He studies multiple viruses in an integrated experimental approach that combines biochemistry, molecular biology, genetics, and cell biology.
Andrew D. Wells, PhD
Dr. Wells studies the genetic, epigenetic, and transcriptional mechanisms that control T lymphocyte immunity and tolerance.
Lawrence Wells, MD
Dr. Wells is an attending physician and associate director of the Sports Medicine and Performance Center at CHOP. His research focuses on articular cartilage injury and repair mechanisms, avascular necrosis, stress fractures in adolescents, and post-operative pain management in ambulatory surgery patients.
Michael Welsh, BS
Michael Welsh is a data scientist for the Artificial Intelligence Program.
Jessica W. Wen, MD
Dr Jessica Wen is director of the Viral Hepatitis Treatment Program and a pediatric gastroenterologist at Children's Hospital of Philadelphia. She also works with CHOP's Liver Transplant Program and the Biesecker Pediatric Liver Center. Her research focuses on hepatitis B and C, and liver fibrosis.
Daniel C. West, MD
Dr. West works to develop educational innovations to advance the skills of health professionals in ways that improve clinical effectiveness and patient safety. He has a particular interest in linking competency-based education outcomes to outcomes that patients and health systems value.
Brian R. White, MD, PhD
Dr. White develops novel optical functional neuroimaging systems and algorithms to better understand pediatric neuronal injury. His research includes optical intrinsic signal imaging, diffuse optical tomography, and resting-state functional connectivity.
Sydney Wieczkowski, BA
Sydney Wieczkowski is an office coordinator for the Clinical Research Core and program coordinator for the Artificial Intelligence Program.
Steven R. Wiley, MBA
Oversees the daily operations that provide financial accounting support for externally funded as well as internally funded awards and contracts.
Steven M. Willi, MD
Dr. Willi's research focuses on therapeutics for type 1 and type 2 diabetes and he has performed a number of physiologic studies in the etiology and characterization of diabetes in children. His current studies include trials on the delay of progression of type 1 diabetes and a multicenter trial to examine the optimal therapeutics for type 2 diabetes in children.
Joanna Williams is a data analyst for the Data and Statistical Core in the Center for Autism Research (CAR). In this role, she builds databases, creates dashboards, and supports CAR study teams.
Wendy Reed Williams, PhD
Advances CHOP’s education and research missions by working collaboratively to create a culture of learning, discovery, integrity, and innovation to ensure success of the next generation of scientific leaders in child health.
Ariel A. Williamson, PhD, DBSM
Dr. Williamson's research integrates socio-ecological theory, community-engaged methods, and implementation science principles to understand and address child sleep problems and sleep health inequities.
Flaura K. Winston, MD, PhD
Dr. Winston is a pediatrician, engineer, and public health researcher who established the scientific foundation behind new patents, products, programs, policies, and laws for injury. As a clinician-scientist/innovator, Dr. Winston leads CHOP's Innovation Ecosystem and released a free e-textbook, Academic Entrepreneurship for Medical and Health Scientist.
Bryan Wolf, MD, PhD
Building upon Children’s Hospital of Philadelphia’s legacy as one of the preeminent pediatric research institutions in the world, Bryan Wolf, MD, PhD, served as Executive Vice President and Chief Scientific Officer from 2015 to June 1, 2021, overseeing implementation of an ambitious, faculty-led strategic plan to make the most of the Research Institute’s unique resources, infrastructure, intellect, and talent to conduct transformational research initiatives with the highest scientific integrity from bench to bedside.
Heather A. Wolfe, MD, MSHP
Dr. Wolfe works to improve care delivered to critically ill children using quality improvement and implementation science frameworks. She's interested in improving the quality of cardiopulmonary resuscitation in children in the PICU, and in the prevention, identification, and treatment of delirium.
Adam J. Wolpaw, MD, PhD
Dr. Wolpaw works on inflammatory signaling in childhood solid tumors, particularly neuroblastoma. The hope is that understanding these pathways and how to modify them will allow us to rationally design approaches to enhance the efficacy of immunotherapies.
James C. Won, PhD
Dr. Won is the Human Factors Program Manager for the Center for Healthcare Quality and Analytics (CHQA), adjunct assistant professor for the Perelman School of Medicine and the School of Engineering at the University of Pennsylvania, and a senior fellow at the Center for Injury Research and Prevention.
Sarah M. Wood, MD, MSHP
Dr. Wood's research focuses on improving health service delivery to reduce HIV and STI incidence in adolescents and young adults. Her current projects examine improving uptake and adherence of HIV pre-exposure prophylaxis in sexual and gender minority youth, increasing STI and HIV screening in primary care, and identifying patient, neighborhood, and clinic-based barriers to HIV and sexual health service delivery.
Joanne N. Wood, MD
Dr. Wood is committed to improving outcomes for vulnerable children, especially abused and neglected children. Her current research also focuses on positive parenting interventions designed to support caregivers of young children and strengthen families.