Mary Michaeleen Cradock, Ph.D. is the Director of Behavioral Health at St. Louis Children’s Hospital and is a Clinical Assistant Professor of Pediatrics.  She received her Ph.D. from St. Louis University.  She is the primary supervisor for the craniofacial rotation.

Rebecca H. Foster, Ph.D., is a Pediatric Psychologist at St. Louis Children’s Hospital and a Clinical Associate Professor of Pediatrics at the Washington University School of Medicine. She received her Ph.D. in Counseling Psychology from Virginia Commonwealth University and completed her postdoctoral fellowship at St. Jude Children’s Research Hospital. Her primary area of specialization is in pediatric hematology/oncology/stem cell transplant. Her clinical, research, and teaching interests include adolescent and young adult psycho-oncology, childhood cancer survivorship, family and sibling well-being in the context of medical and genetic complexities, and palliative and end of life care. She is the primary supervisor for the hematology/oncology rotation and the quality improvement/research seminar.

Darci Klein, Ph.D., is a Pediatric Psychologist at St. Louis Children’s Hospital and a Clinical Assistant Professor of Pediatrics at the Washington University School of Medicine. Dr. Klein specializes in the assessment and treatment of children, adolescents, and young adults with acute or chronic medical conditions, including oncology and hematological disorders as well as other chronic illnesses. Her clinical interests include individual and family adjustment to diagnosis/treatment, grief and loss, anxiety and mood concerns related to medical conditions, and Parent-Child Interaction Therapy with medically complex children. She serves as a supervisor for outpatient psychotherapy. 

Ilana Luft-Barrett, Ph.D., is a Pediatric Psychologist at Saint Louis Children’s Hospital and an Instructor in Clinical Pediatrics at the Washington University School of Medicine. Dr. Luft-Barrett earned her Ph.D. in Clinical Psychology from University at Albany, State University of New York.  She specializes in assessing and treating children and adolescents with social, emotional, and behavioral difficulties associated with medical conditions, in both inpatient and outpatient settings. 

Alex Maixner, Ph.D., currently serves as the primary psychologist at the Washington University St. Louis Children’s Hospital Transgender Center as well as the Differences of Sex Development Clinic. Her primary clinical interests include LGBTQ+ youth, treatment of anxiety, and concerns related to adherence or adjustment to medical conditions. 

Gillian S. Mayersohn, Psy.D., is a Pediatric Psychologist and an Clinical Assistant Professor of Pediatrics at the Washington University School of Medicine. She is the pediatric psychology fellowship training director. She received her Psy.D. in Clinical Psychology from Nova Southeastern University. Her primary area of specialization is in end stage organ disease, solid organ transplantation, ESRD/dialysis, and congenital heart defects. Dr. Mayersohn also serves as the psychologist for The Heart Center and provides clinical services to both inpatients and outpatients with cardiac diagnoses. Her clinical and research interests include pre-transplant psychological evaluations, adherence, adjustment to and coping with chronic illness, congenital heart conditions, program development/QI, and post-traumatic growth. She is the primary supervisor for the solid organ transplant rotation.

Brian Richter, Ph.D. is a clinical child psychologist who specializes in the assessment and treatment of children and adolescents with behavioral and social-emotional concerns. He has expertise in providing evidence-based treatment, particularly behavioral therapy and cognitive behavioral therapy (CBT), to address Obsessive-Compulsive Disorder (OCD) and other anxiety-related disorders as well as Attention-Deficit/Hyperactivity Disorder (ADHD) and Oppositional Defiant Disorder (ODD). He also treats children and adolescents with Avoidant/Restrictive Food Intake Disorder (ARFID). He provides supervision for outpatient psychotherapy.

Megan Shelton, Ph.D. is a Pediatric Psychologist at St. Louis Children’s Hospital and is an Assistant Professor of Clinical Pediatrics at the Washington University School of Medicine. She received her Ph.D. in Clinical Psychology from Saint Louis University. Dr. Shelton's primary areas of specialization are pain management, somatic symptom disorders, obesity care, adolescent bariatric surgery, and sports medicine. Her clinical and teaching interests include multidisciplinary pain rehabilitation, functional restoration for pain, somatic symptom disorders, and sports injuries, adherence to health behaviors, pre-surgical evaluations, and adjustment to and coping with acute and chronic illness. She provides supervision for the outpatient psychotherapy clinics and pain rotation. 

Kimberly Sirl, Ph.D. is a Child and Adolescent Psychologist at St. Louis Children’s Specialty Care Center and a Assistant Instructor in Clinical Pediatrics at the Washington University School of Medicine. She received her Ph.D. in Clinical Psychology at Wayne State University.  She specializes in diagnostic assessment and cognitive-behavioral therapy with children ages 4-14 years. She treats children and families with a variety of concerns including difficulties regulating behavior, attention problems, anger, anxiety, mood, and Tourette’s Disorder. Dr. Sirl works closely with many community pediatricians and the Movement Disorders Clinic at Washington University School of Medicine.

Kyleigh K. Skedgell, Ph.D. is a Pediatric Psychologist at St. Louis Children’s Hospital and Assistant Professor of Clinical Pediatrics at Washington University. She received her Ph.D. in Clinical Psychology from the University of Nevada, Las Vegas and completed her pre-doctoral internship and post-doctoral fellowship at Baylor College of Medicine/Texas Children’s Hospital. Dr. Skedgell is currently the primary inpatient consultation and liaison psychologist for the general medical service at St. Louis Children’s Hospital. She specializes in interdisciplinary collaboration with medical and psychosocial teams to provide evidence-based assessment, consultation, and intervention to youth with acute and chronic medical conditions. Dr. Skedgell also provides brief assessment and intervention services to youth with allergic diseases and comorbid anxiety on an outpatient basis. She is the primary supervisor for the medical consultation-liaison rotation. 

Suzanne M. Thompson, Ph.D. is a Pediatric Psychologist at St. Louis Children’s Hospital and an Instructor in Clinical Pediatrics at the Washington University School of Medicine. She received her Ph.D. in Clinical Psychology from the University of Houston.  Dr. Thompson's primary areas of specialization are in the areas of chronic pain conditions, somatic symptom disorders, and Inflammatory Bowel Disease.  She specializes in consultation and psychotherapy with emotional and functional problems with chronically ill children and adolescents. She provides supervision for the Pain rotation and outpatient psychotherapy.