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Leslie J. Raffini, MD, MSCE

Leslie J. Raffini, MD, MSCE

Dr. Raffini's clinical research includes evidence-based strategies to prevent thrombosis in hospitalized children, optimizing anticoagulation therapy to improve outcomes in children with thrombosis, and use of novel therapies in pediatric patients with bleeding disorders.

Patricia Rafful, MD, PhD

Patricia Rafful

Dr. Rafful is a research fellow whose focus is artificial intelligence.

Victoria Ramirez, PSM

Victoria Ramirez

Victoria Ramirez is a medical science writer.

Karen Ramirez, MD

Karen Ramirez

Dr. Ramirez is a research assistant with a research focus on Cardiovascular/Pulmonary Imaging.

Kathleen Ramsey, PhD

Kathleen Ramsey

Kathleen Ramsey, PhD, is a postdoctoral fellow at the Center for Autism Research.

Elizabeth B. Rand, MD

Elizabeth B. Rand

Dr. Rand's research interests include clinical studies of biliary atresia and studies of immunization, immune suppression, and long-term outcome after transplantation. Her basic science interests in liver development and fibrosis are carried out as collaborations with scientists who utilize the liver tissue bank.

Irit R. Rasooly, MD, MSCE

Irit R. Rasooly, MD, MSCE

Dr. Rasooly's research aims to understand diagnostic decision making and leverage the electronic health record to support diagnostic excellence. Her current work focuses on recognition of child abuse, evaluating decision making in simulation, and improving diagnostic performance at CHOP.

Janet R. Reid, MD, FRCPC

Janet R. Reid

Dr. Reid's main project is RADIAL, an adaptive learning education platform that houses filtered knowledge around all subspecialties and delivers a customized curriculum to the end-user using deep learning algorithms.

Susannah Reimer, LCSW

Susannah Reimer

Susannah Reimer, LCSW is the clinic social worker and manager of the Community Education Program for the Center for Autism Research. She supports the clinicians and families who are involved with the center, manages the CAR Autism Roadmap™ resource website, and is available to provide information and resources to families.

Rachel G. Rempell, MD

Rachel G. Rempell

Dr. Rempell is active in research evaluating the role of bedside ultrasound in the care of patients in the Emergency Department, as well as projects evaluating the efficacy of educational interventions to instruct attendings and residents about bedside ultrasound.

Clement L. Ren, MD, MBA, ATSF

Clement L. Ren

Dr. Ren's primary research focus is to develop better methods to assess lung disease in infants and young children using advanced pulmonary function testing and imaging.

Christopher B. Renjilian, MD

Christopher B. Renjilian, MD

Dr. Renjilian is a pediatrician who specializes in adolescent medicine and sports medicine. His research interests and work include understanding how sports and physically active recreation can help young people to develop resilience.

Adam C. Resnick, PhD

Adam C. Resnick

Dr. Resnick's research focuses on the cell signaling mechanisms of oncogenesis and tumor progression in brain tumors. He studies signaling cascades and alterations to elucidate the molecular and genetic underpinnings in order to develop targeted therapies. As co-director of the Center of Data-Driven Discovery in Biomedicine, he leads a multidisciplinary team building and supporting a scalable, patient-focused healthcare and educational discovery ecosystem.

Susan R. Rheingold, MD

Susan R. Rheingold

Dr. Rheingold's research interests center on acute lymphocytic leukemia, and she serves on the Children's Oncology Group's Relapsed ALL, Infant ALL, and Complementary Therapies committees. In addition, she is investigates complementary and alternative therapies, supportive care for oncology patients undergoing chemotherapy, medical education, and rare childhood tumors.

Jessica Rice, DO, MHS

Jessica Rice

Dr. Rice’s research interests are in the field of environmental science and premature lung disease. She is the recipient of an NIH K23 Mentored Patient-Oriented Research Career Development award to study the effects of indoor air pollution on respiratory outcomes in preterm infants.

Sarah A. Richman, MD, PhD

Sarah A. Richman Headshot

Dr. Richman's research focuses on chimeric antigen receptor (CAR) T cells targeting solid tumors with the goal of translating these findings to this unmet clinical need.

Stefano Rivella, PhD

Stefano Rivella

Dr. Rivella is an expert in the pathophysiology of erythroid and iron disorders and in the generation of lentiviral vectors for the cure of hemoglobinopathies. He also investigates additional disorders such as anemia of inflammation and hemochromatosis.

Ariel Rivera

Ariel Rivera

Rivera is a research technician assisting the Rivella lab with current projects.

Jennifer L. Robbins, MD, MPH

Jennifer L. Robbins

The research interests of Dr. Robbins include addressing social determinants of early childhood obesity, disparities in childhood obesity treatment and outcomes, and understanding interventions that address food access to improve child weight status. She is also interested in improving policies relating to food systems and physical activity.

Timothy P.L. Roberts, PhD

Timothy P.L. Roberts Headshot

Dr. Roberts investigates brain-wave scanning with magnetoencephalography (MEG) and works to identify biomarkers for neuropsychiatric disorders like autism. Those biomarkers are for diagnosis, prognosis, stratification, and response monitoring as well as substrate identification for targeted therapy. Putting the "bio" into biomarkers is a major emphasis of Dr. Roberts' research, for which he uses advanced diffusion magnetic resonance imaging (MRI) and edited spectroscopy.

Michael B. Robinson, PhD

Michael B. Robinson

Dr. Robinson has a longstanding research interest in the function and regulation of brain glutamate transport under physiologic and pathologic conditions.

Lindsay S. Rogers, MD

Lindsay S. Rogers

Dr. Lindsay Rogers is an attending cardiologist with the Division of Cardiology and the director of Education for the Echocardiography Laboratory at CHOP. Her research focuses on non-invasive imaging and cardiac morphology, and neurodevelopmental outcomes in congenital heart disease.

Jeffrey D. Roizen, MD, PhD, FAAP

Jeffrey D. Roizen

Dr. Roizen's research program aims to understand non-calciometabolic effects of vitamin D and to use this understanding to design new therapeutic approaches to common diseases such as sarcopenia and obesity.

Neil D. Romberg, MD

Neil D. Romberg

Dr. Romberg investigates the regulatory mechanisms enabling our immune systems to fight infections without injuring ourselves. He is particularly interested in the immune system of patients with primary immunodeficiency who are susceptible to both life-threatening infections and autoimmune diseases. Greater insights into these rare diseases may enable rationale development of targeted therapies for more common diseases with an immunologic basis.

Stacey R. Rose, MD

Stacey R. Rose

Dr. Stacey Rose is an attending physician in the Division of General Pediatrics at Children's Hospital of Philadelphia and an assistant professor of Clinical Pediatrics at the Perelman School of Medicine, University of Pennsylvania. Dr. Rose's research focuses on general pediatrics.

Alyssa R. Rosen, MD

Alyssa R. Rosen

Dr. Alyssa Rosen is a pediatric neurologist in the Division of Neurology at CHOP, specializing in the care of children with autism and epilepsy-related disorders.

Samuel A. Rosenblatt, MD

Samuel A. Rosenblatt

Dr. Rosenblatt is an attending physician in the Department of Anesthesiology and Critical Care Medicine at CHOP and an assistant professor of Clinical Anesthesiology and Critical Care, at the Perelman School of Medicine of the University of Penn. His research focuses on pediatric critical care.

Joseph W. Rossano, MD

Joseph W. Rossano

Dr. Rossano's extensive research experience primarily involves the epidemiology and outcomes of cardiovascular disease in children, and multi-institutional collaborative observational and interventional studies. His particular research interests include evaluating the treatment and outcomes of pediatric cardiomyopathy, heart failure, and transplantation.

Ronald C. Rubenstein, MD, PhD

Ronald C. Rubenstein

Dr. Rubenstein's research focuses on basic and translational studies of novel means to improve outcomes in cystic fibrosis. He initially focused on correcting the dysfunction of mutant cystic fibrosis transmembrane conductance regulator (CFTR) proteins, which led him to study how molecular chaperones regulate the biogenesis and trafficking of CFTR and other proteins that are relevant to cystic fibrosis.

David Rubin, MD, MSCE

David Rubin Headshot

Dr. Rubin is an emerging leader in developing health system and public program innovation to meet the needs of high-risk populations of children.

Eduardo Ruchelli, MD

Eduardo Ruchelli

Dr. Ruchelli is an attending pathologist with the Congenital Hyperinsulinism Center and the Division of Anatomic Pathology at CHOP, and an associate professor of pathology and laboratory medicine at the University of Penn. His research focuses on congenital hyperinsulinism and eosinophilic esophagitis.

Melanie A. Ruffner, MD, PhD

Melanie A. Ruffner

Classic food allergies are mediated through immunoglobulin E and manifest as hives, vomiting, and anaphylaxis. Dr. Ruffner investigates the immune mechanisms of food allergy disorders which are not mediated through immunoglobulin E. In particular, the mechanisms of eosinophilic esophagitis and food-protein induced enterocolitis syndrome are of particular interest in Dr. Ruffner's laboratory.

Phassawan Rungsiprakarn, MD

Phassawan Rungsiprakarn

Dr. Rungsiprakarn is a research assistant with a research interest in Fetal Imaging.

Halley Ruppel, PhD, RN

Halley Ruppel

Dr. Ruppel’s research focuses on optimizing the use of technology and data in acute care to improve patient safety and outcomes. She seeks to improve integration of technology and data into clinical workflows and address unintended consequences like alarm fatigue.

Tiffany Ryan-D’Urso, MS, MS

Tiffany Ryan-D’Urso

Tiffany Ryan-D’Urso is administrative director at the Center for Autism Research (CAR) responsible for the financial, administrative, strategic planning, human resource, and organizational processes and infrastructure that support CAR’s research mission.