Leadership, Faculty and Staff

Our faculty are internationally known for their work in fungal infections, CMV and other viral infections, risks and outcomes, and transplantation in HIV and viral hepatitis infected recipients

Kieren Marr, MD – Professor of Medicine, Professor of Oncology, Director, Transplant and Oncology Infectious Diseases, Vice Chair for Innovation in Healthcare Implementation, Johns Hopkins University

Dr. Marr completed medical school at Hahnemann University, followed by a residency at Duke University School of Medicine and an Infectious Diseases Fellowship at the University of Washington/Fed Hutchinson Cancer Research Center.  She relocated to Johns Hopkins in 2008 to establish a comprehensive TOID program.

She is an elected member of the American Society for clinical Investigators (ASCI) and is known internationally for her translational and clinical research focused on diagnostics and treatment of invasive fungal infections.  Her research has led to establishment of a JHU start-up company, MycoMed Technologies, focused on device and drug development in medically immunosuppressed people.  Her interests in medical innovation and commercialization led to her appointment in the Johns Hopkins University Carey Business School.

Dr. Marr has authored over 150 peer-reviewed publications and textbook chapters, and edited two books in the area of infectious diseases involving immunosuppressed hosts. Marr Research Dashboard and Publications

Robin Kimiko Avery, MD– Professor of Medicine

Dr. Robin Avery is an infectious disease physician who joined the Johns Hopkins faculty in 2012, with two decades of experience in transplant infectious disease.  She is a past chair of the American Society of Transplantation (AST) Infectious Disease Community of Practice, was a co-editor of the first edition of the AST ID Guidelines, and has served on guidelines committees for the AST, the Infectious Disease Society of America (IDSA) and the International Society for Heart and Lung Transplantation (ISHLT), as well as the Centers for Disease Control and Prevention Zoster Vaccines Workgroup.  She was the founding head of the Transplant Infectious Disease Section at the Cleveland Clinic and the founding director of the Cleveland Clinic Transplant ID Special Fellowship, authoring a curriculum that served as the basis for curricula later endorsed by the AST and IDSA.  Her clinical and research interests include pre-transplant donor and recipient evaluation, and prevention and treatment of post-transplant infections, particularly transplant-associated viruses, viral load monitoring, novel therapies for CMV, hypogammaglobulinemia, immunizations, patient education, and strategies for safer living post-transplant.  In 2017, Dr. Avery received the award for Best Consulting Physician at the Johns Hopkins Hospital. Avery Research Dashboard and Publications

Maria Veronica Dioverti-Prono, MD– Clinical Associate, Infectious Diseases

Dr. Dioverti-Prono received her MD from the Universidad Nacional de Asuncion and completed a residency at the Bridgeport Hospital of Yale University.  She completed an Infectious Diseases fellowship and a Transplant/Oncology Infectious Diseases fellowship at the Mayo clinic in Rochester, MN.  Dr. Dioverti-Prono provides clinical care to transplant, oncology, and other immunocompromised patients.  Her research is focused on optimizing diagnosis of cytomegalovirus infection and fungal infections in hematologic malignancies. Dioverti-Prono Research Dashboard and Publications

Christine M. Durand, MD– Associate Professor of Medicine, Assistant Professor of Oncology

Dr. Durand received her MD from Johns Hopkins University School of Medicine.  This was followed by completion of a residency and Infectious diseases Fellowship at Johns Hopkins University School of Medicine.

Dr. Christine Durand, assistant professor of medicine and oncology and member of the Johns Hopkins Kimmel Cancer Center, is involved in clinical and translational research focused on individuals infected with HIV and hepatitis C virus who require cancer and transplant therapies.  Her current research efforts include looking at outcomes of hepatitis C treatment after solid organ transplant, the potential use of organs from HIV-infected donors for HIV-infected solid organ transplant candidates, and HIV cure strategies including bone marrow transplantation.

Dr. Durand is supported by multiple grants: R01 from the National Institute of Allergy and Infectious Diseases (NIAID) to study HIV-to-HIV organ transplantation in the US; K23 from the National Cancer Institute (NCI) to study antiretroviral therapy during bone marrow transplant in HIV-1 infection; U01 from the NIAID to study HIV-to-HIV deceased donor kidney transplantation. Durand Research Dashboard and Publications

Nitipong (Nate) Permpalung, MD, MPH– Clinical Associate, Infectious Diseases

Nitipong (Nate) Permpalung, MD, MPH completed ID fellowship at Beth Israel Deaconess Medical Center/Harvard Medical School.  He subsequently completed a year of Transplant ID fellowship at Duke University.  There, he had a research focus in RSV infection in lung transplant recipients and fungal infections in the immunocompromised host.

Shmuel Shoham, MD– Associate Professor of Medicine

Shmuel Shoham, MD is Associate Professor of Medicine at Johns Hopkins University School of Medicine and Associate Director of the Transplant and Oncology Infectious Diseases program at that institution.  Dr. Shoham has over 20 years of experience in management of patients with invasive infections, and is the author or co-author of over 100 original articles, book chapters and topic reviews.  He is a nationally recognized expert in infectious diseases of immunocompromised patients and his research explores diagnosis, prevention and treatment of infections in such patients.  Dr. Shoham serves as a reviewer and expert consultant to multiple journals, professional societies, hospitals and government agencies in the US and numerous countries abroad.  He is a member of professional guideline committees for the American Society of Transplantation (AST), the European Organization for Research and Treatment of Cancer/Invasive Fungal Infections Cooperative Group and Infectious Diseases Mycoses Study Group (EORTC/MSG) and the National Comprehensive Cancer Network (NCCN).  Dr. Shoham is the recipient of numerous awards including the American College of Physicians’ (Washington, DC Chapter) laureate award, their highest honor.  Dr. Shoham received his medical degree from Thomas Jefferson University (Philadelphia, PA) and medical residency and infectious diseases fellowship training at Boston University School of Medicine (Boston, MA). Shoham Research Dashboard and Publications

Willa Cochran, CRNP– Adult-Gerontological Nurse Practitioner, Comprehensive Transplant Center & Clinical Instructor, School of Nursing

Willa Cochran, CRNP received a Bachelor of Arts in Music at Skidmore College and served as a Peace Corps Volunteer in Guinea, West Africa from 2004-2007. She earned her BSN and MSN at the Johns Hopkins School of Nursing through the Paul D. Coverdell Peace Corps Fellowship. She also earned her certificate of HIV Primary Care at the JHH SON as a HRSA Advance Nursing Education Traineeship Scholar.

In June 2015 she joined the Johns Hopkins Hospital’s Comprehensive Transplant Center where her clinical and research practices focus on liver and/or kidney transplant recipients at increased risk for infectious complications.  Ms. Cochran is committed to providing holistic, patient-centered care for transplant recipients living with HIV, Hepatitis C or at risk for Cytomegalorvirus and other infectious complications of transplant.

She and her colleagues have presented their work on CMV prevention at the Armstrong Institute Diagnostic Excellence Summit and the American Transplant Congress. She has also presented her work in clinical care for HIV positive transplant recipients who received organs from HIV positive deceased donors at the Association for Nurses in AIDS Care’s Chesapeake Chapter conference and was a featured speaker at the association’s national conference. She is the current President of the Association of Nurses in AIDS Care’s Chesapeake Chapter. Cochran Research Dashboard and Publications

Darin Ostrander, PhD– Research Associate, Infectious Diseases & Program Manager/Director of Operations, TOID

Dr. Ostrander has more than 25 years’ experience in antimicrobial research and development.  He assists investigators in administrative and regulatory aspects of clinical research, including IRB applications, NIH and pharmaceutical grant applications, budget development, multicenter administration, and database development. Ostrander Research Dashboard and Publications

Contact Us

Robin Avery, MD
Professor of Medicine
Director, Transplant and Oncology Infectious Diseases
Johns Hopkins University
600 N. Wolf Street
Sheikh Zayed Tower Suite 434
Baltimore, MD 21287


Darin Ostrander, PhD
TOID Program Manager, Director of Operations
1830 E. Monument St., Room 459
Baltimore, MD 21287

Phone: 410-614-6702


Charitable Giving

The Pamela Cresson Tucker Fund promotes the scholarship of women students, fellows, residents, and early career faculty engaged in research on the infectious complications of the immunocompromised host, particularly transplant medicine and oncology.

Pamela Cresson Tucker Fund 

Printable Charitable Giving Form