Meet Our Team

Dr. Goldenberg was named director of research at Johns Hopkins All Children's Hospital in July 2012 as well as chief research officer of the Johns Hopkins All Children's Research Institute and director of the new Clinical and Translational Research Organization at JHACH. He is an associate professor of pediatrics and medicine at the Johns Hopkins University School of Medicine.

Dr. Betensky specializes in hemostasis and thrombosis in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She also treats bone marrow failure syndromes and congenital and acquired neutropenias, which are immune system conditions that may result in infections. She joined the hospital in 2016. Previously, she was an instructor in the Division of Hematology, Comprehensive Bone Marrow Failure Center at Children’s Hospital of Philadelphia.

 

Dr. Ayala is the director of the Hemophilia and Bleeding Disorders Treatment Center at Johns Hopkins All Children's Hospital. She also is the hematology leader of the Young Women Bleeding Disorders/Menorrhagia Clinic, which focuses on a multidisciplinary approach to bleeding symptoms in girls and young women. Dr. Ayala also is involved in the newly created Immune Dysregulation Clinic, which evaluates patients with autoimmune cytopenias in a multidisciplinary approach.

Dr. Bittles is an interventional radiologist at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2015. Dr. Bittles earned his medical degree at University of Tennessee College of Medicine and completed his radiology residency and an interventional radiology fellowship at University of Washington Medical Center. He completed a pediatric radiology fellowship at Vanderbilt University Medical Center.

Dr. Colombani is the Robert Garrett Professor of Pediatric Surgery and Professor of Surgery, Oncology and Pediatrics, Johns Hopkins University School of Medicine. In 1991, he was named the Children's Surgeon-in-Charge at The Johns Hopkins Hospital and chief of the division of pediatric surgery. He also directs the Pediatric Transplant Program at Johns Hopkins Hospital. In December 2012, he was appointed Chair of the Department of Pediatric Surgery at All Children's Hospital Johns Hopkins Medicine.

 

Dr. Stapleton is a pediatric interventional cardiologist and serves as Johns Hopkins All Children’s division chief of pediatric cardiology and medical director of the cardiac catheterization lab at the Johns Hopkins All Children’s Heart Institute. Dr. Stapleton is active in research and education in interventional cardiology and has launched innovative techniques at Johns Hopkins All Children’s to treat congenital heart disease without the need for open heart surgery. He did a pediatric residency with San Antonio Uniformed Services in Texas and was a general pediatrician at Eglin Air Force Base before completing both a pediatric cardiology fellowship and pediatric interventional fellowship at Baylor College of Medicine and Texas Children’s Hospital in Houston.