Find People | CHOP Research Institute
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Joseph P. Zackular, PhD

Joseph P. Zackular

Dr. Zackular's research is focused on understanding how interactions between the host, gut microbiota, and pathogenic microbes impact human health and disease. His recent efforts center on understanding how the important nosocomial pathogen, Clostridium difficile, interacts with resident gut microbiota during infection and how interspecies cross-talk impacts growth, behavior, and virulence of this pathogen.

Casey Zampella, PhD

Casey Zampella

Dr. Zampella’s research focuses on quantifying movement differences in autism and the role of movement in social communication. She is particularly interested in leveraging technology and dyadic paradigms to capture bidirectional interpersonal movement cues as they unfold in natural contexts.

Mark R. Zaontz, MD

Mark R. Zaontz, MD

Dr. Zaontz’s research is focused on improving outcomes in hypospadias reconstruction, specifically in the more severe cases.

Theoklis E. Zaoutis, MD, MSCE

Theoklis E. Zaoutis

Dr. Zaoutis is a pediatrician trained in infectious disease and epidemiology with a robust research program focused on the epidemiology, prevention, and treatment of healthcare acquired infections; antimicrobial resistance; and antimicrobial use.

Jarcy Zee, PhD

Jarcy Zee

Dr. Zee's statistical methods research includes topics in survival analysis, measurement error, observational data methods, and machine learning. Her clinical research is focused on kidney disease, specifically in clinical and pathology markers of glomerular and chronic kidney disease progression.

Babette S. Zemel, PhD

Babette S. Zemel

Dr. Zemel's overall research program aims to improve the understanding of lifelong health and how it relates to childhood antecedents of physical growth and maturation, body composition, population ancestry/genetics, and lifestyle factors. Such insight has practical implications for disease prevention and lifelong wellness, as well as broader scientific implications for understanding human plasticity and evolution.


Jarod A. Zepp, PhD

Jarod A. Zepp

Jarod Zepp, PhD, is interested in studying how cells in the lung integrate external cues during organ development and tissue repair after injury. Specifically, he is focused on identifying mechanisms regulating fibroblast activation and differentiation.

Wanding Zhou, PhD

Wanding Zhou

Dr. Zhou’s outstanding research interests include mitosis-coupled DNA methylation drift and inference of cell-type-specific epigenetic signals. He developed multiple computational tools for analyzing DNA methylation data and has actively contributed to cancer genomics data analysis.

Wenjing Zong, MD

Wenjing Zong

Dr. Zong is an attending physician with the Division of Gastroenterology, Hepatology and Nutrition at CHOP. She specializes in clinical nutrition, intestinal rehabilitation, and enteral and parenteral nutrition. Her research focuses on the microbiome and nutrition.

Joseph J. Zorc, MD, MSCE

Joseph J. Zorc

Dr. Zorc's work focuses on the intersection of interventional clinical research, quality improvement (QI), and clinical informatics. He has formal certification in epidemiology, QI methodology, and clinical informatics, and has participated in multi-center research networks, guideline and improvement collaboratives, and electronic health record development locally and nationally.

Karen B. Zur, MD

Karen B. Zur

Dr. Zur is the director of the Pediatric Voice Program, associate director of the Center for Pediatric Airway Disorders, and interim chief for the Division of Otolaryngology at Children's Hospital of Philadelphia. Her research interests include pediatric laryngotracheal pathology, surgical reconstruction, and voicing issues.