Our Adult Histiocyte Disorders Specialists

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At the Adult Histiocyte Disorders Center, our dedicated experts work together across a range of specialty areas to coordinate fully integrated, personalized care – from your initial diagnosis through long-term follow-up.

In addition to a multidisciplinary group of physicians, your treatment team includes physician assistants (PAs), nurse practitioners (NPs), and clinical and research nurses. Laboratory investigators, clinical care coordinators, clinical social workers, and nutritionists are also integral members of your care team.



Eric D. Jacobsen, MD 
Director, Center for Adult Histiocyte Disorders 
Clinical Director, Adult Lymphoma Program 
Assistant Professor of Medicine, Harvard Medical School

Key Specialists


Ole-Petter R. Hamnvik, MBBCh, BAO, MM

Surgical Oncology

Surgical oncologists

Key Nursing Staff

Lisa Brennan, BSN, RN
Barbara Virchick, NP 
Victoria Patterson, RN

Clinical Research Coordinator

Alyssa Nicotra