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Pediatric Medical Psychology - Fellows

Sarah Radtke, Ph.D.

Sarah Radtke, Ph.D.

Dr. Sarah Radtke is a postdoctoral fellow in the Pediatric Medical Psychology Program. She earned her Ph.D. in Clinical Psychology at Virginia Polytechnic Institute and State University in Blacksburg, VA and completed her predoctoral internship at Nationwide Children’s Hospital in Columbus, OH. Clinically, Dr. Radtke specializes in providing cognitive and behavioral interventions for anxiety and obsessive-compulsive symptoms in youth and behavioral management of disruptive behavior. She also has extensive experience delivering intensive interventions and working with children in need of acute care. Dr. Radtke’s research interests include the role of parents and caregivers in the development and maintenance of youth psychopathology, and their role in behavioral health interventions. Her dissertation explored how the interaction between children’s temperaments and the parenting styles they are exposed to across childhood influences their mental health during adolescence.

Jessie Schulman, Psy.D.

Jessie Schulman, Psy.D.

Dr. Jessie Schulman is a postdoctoral fellow in the Pediatric Medical Psychology program. She earned her Psy.D. in Clinical Psychology with a specialization in Clinical Child Psychology at La Salle University, and completed her predoctoral internship at Mt. Washington Pediatric Hospital. Prior to her graduate studies, Dr. Schulman earned her B.A. degree in Psychology from the University of Arizona. Clinically, Dr. Schulman provides evidence-based assessments and interventions to youth and their families to support coping, adherence to medical regimens, and adjustment with acute/chronic illnesses. Dr. Schulman enjoys collaborating with multidisciplinary treatment teams that focus on pediatric medical conditions. Current research interests include coping/adjustment to chronic illness and weight/eating related difficulties. Her research dissertation explored weight bias internalization and how this impacts disordered eating outcomes.

Ariana Simonelli, Psy.D.

Ariana Simonelli, Psy.D.

Dr. Ariana Simonelli is a postdoctoral fellow in the Pediatric Medical Psychology program. She earned her Psy.D. in Clinical Psychology at Loyola University Maryland, and she completed her predoctoral internship at the Institute of Living/ Hartford Hospital. Prior to her graduate studies, Dr. Simonelli earned her B.S. degree in Psychology and English from Boston University. Clinically, Dr. Simonelli has expertise in assessing and treating children, adolescents, and their families utilizing various modalities of evidence-based practice (e.g., CBT, TF-CBT, ACT, DBT, Family Systems, and Motivational Interviewing). Specifically, Dr. Simonelli specializes in providing cognitive and behavioral interventions for children with various complex medical conditions and addressing behavioral/ emotional difficulties related to medical procedures, adherence, and treatment. She has extensive experience treating anxiety and mood-related disorders, externalizing disorders, serious mental illness (SMI), and providing behavioral support to families. She enjoys consulting with multidisciplinary treatment teams, and she is committed to providing patient-centered, culturally sensitive care. Regarding research, Dr. Simonelli’s dissertation examined clinical psychologists’ knowledge of identifying, assessing, and treating selective mutism to help inform training directions and improve quality of care for children with selective mutism and other rare anxiety disorders in the future. Her current research interests include coping/adjustment to pediatric health conditions, reducing risk factors related to trauma, and improving adherence to medical regimens. 

Juliana Yanguas, Psy.D.

Juliana Yanguas, Psy.D.

Dr. Juliana Yanguas recently joined our Pediatric Psychology program as a postdoctoral fellow. She earned her Psy.D. in Clinical Psychology with a specialization in Health Psychology at Nova Southeastern University, and completed her pre-doctoral internship at Kennedy Krieger Institute/Johns Hopkins University School of Medicine focused on Pediatric Psychology Consultation. Prior to her graduate studies, Dr. Yanguas earned her B.A. degree from the American University of Paris. Dr. Yanguas’ research interest include coping/adjustment to chronic illness, pediatric end-of-life care, and racial/ethnic pediatric health disparities. Her research dissertation explored end-of-life communication with children in the pediatric setting from a psychological and developmental perspective. Clinically, Dr. Yanguas provides evidence-based assessments and interventions to youth and their families to support coping and adjustment with acute/chronic illnesses. Dr. Yanguas provides services both in English and Spanish across outpatient, inpatient, and consultation settings with a variety of pediatric populations.

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