Meet the Team

Cincinnati Children’s is the most experienced facility in the nation in treating HLH. We have assembled a team of researchers and physicians who have studied the disease extensively. The renowned team at Cincinnati Children’s is committed to changing the outcome for children with HLH.

Jacob (Jack) J.H. Bleesing, MD, PhD

Co-Director, Diagnostic Immunology Laboratories

Rebecca A. Marsh, MD

Clinical Director, Primary Immune Deficiency Program

Kimberly A. Risma, MD, PhD

Director, Allergy and Immunology Fellowship Program

Michael B. Jordan, MD

Member, Division of Bone Marrow Transplantation and Immune Deficiency

Ashish R. Kumar, MD, PhD

Director, Langerhans Cell Histiocytosis Center; Director, Hematology/Oncology Fellowship Program