Pediatric Hematologist–Oncologist and Director of Hemophilia & Bleeding Disorders Treatment Center, Johns Hopkins All Children’s Hospital and Assistant Professor of Pediatrics at the University of South Florida, Florida, USA.
United States
Prof. Irmel A. Ayala is a pediatric hematologist-oncologist in St. Petersburg, Florida, USA, and Director of the Hemophilia and Bleeding Disorders Treatment Center at Johns Hopkins All Children’s Hospital. She has led multidisciplinary bleeding-disorder programs, served as institutional principal investigator for national surveillance and hemophilia research initiatives, and contributed to 16 journal publications and one Springer book chapter.
Prof. Irmel A. Ayala earned her medical degree from the University of Puerto Rico School of Medicine in San Juan, Puerto Rico. She completed internship and residency training in pediatrics at San Juan City Hospital, followed by fellowship training in pediatric hematology/oncology at Emory University School of Medicine in Atlanta, Georgia.
Prof. Ayala began her career in pediatric hematology/oncology at St. Joseph’s Children’s Hospital in Tampa, Florida, before joining Johns Hopkins All Children’s Hospital in St. Petersburg, Florida, USA. Her leadership roles have included Director of the Hemophilia Treatment Center, Medical Director of the 340B Hemophilia Program, Chief of the Division of Hematology/Oncology, and Chief of the Hematology Division within the Cancer and Blood Disorders Institute.
Prof. Ayala established the federally supported Comprehensive Hemophilia Program and Bleeding Disorders Treatment Center at Johns Hopkins All Children’s Hospital. She also established or co-established multidisciplinary programs for pediatric thrombosis, bleeding disorders in young women, and immune dysregulation. Her research spans hemophilia surveillance, immune tolerance induction, pediatric venous thromboembolism risk, autoimmune cytopenias, and modern hemophilia prophylaxis outcomes.
Prof. Ayala’s professional impact includes institutional principal-investigator roles in CDC, ATHN, HRSA-supported, and multicenter hemophilia studies. She is a member of leading hematology and thrombosis organizations, including the American Society of Pediatric Hematology/Oncology, the World Federation of Hemophilia, the Hemophilia and Thrombosis Research Society, and the International Society on Thrombosis and Haemostasis.
Hematology Division, Cancer & Blood Disorders Institute, JH All Children’s.
Young Women Bleeding Disorders/Menorrhagia Clinic.
340B Hemophilia Program.
Division of Hematology/Oncology
Multidisciplinary Thrombosis Clinic.
Hemophilia & Bleeding Disorders Treatment Center (federally funded comprehensive program).
1998
1989
San Juan City Hospital
1989
University of Puerto Rico School of Medicine
1986
Children’s Oncology Group — Associate Member. (1996)
American Society of Pediatric Hematology/Oncology. (2010)
World Federation of Hemophilia. (2006)
Hemophilia & Thrombosis Research Society. (2008)
International Society on Thrombosis and Haemostasis. (2017)