Johns Hopkins Hematology & Medical Oncology Fellowship Program
Train, Nurture, Inspire
The Johns Hopkins Hematology & Medical Oncology Fellowship Program has consistently ranked among the top programs in the United States and offers unique, rigorous training designed specifically for fellows with an interest in academic hematology and oncology. Our history of clinical and research excellence, flexibility in training, and unparalleled camaraderie makes Hopkins an ideal place to train future leaders.
Our Mission
The mission of the Hematology & Medical Oncology Fellowship Program at Johns Hopkins is to train, inspire, and mentor outstanding leaders in Hematology and Oncology. Our program offers dual or single certification in Hematology or Oncology. Although we are a combined fellowship program, we offer independent tracks in either Hematology or Medical Oncology that provide a unique 12 month training curriculum that is tailored to each specialty. We accept 10 fellows for the Medical Oncology Track and 3 fellows for the Hematology Track each year.
Fellowship Program Leadership
Kristen Ashley Marrone, M.D.
Program Director
![Kristen Marrone](/-/media/kimmel-cancer-center/images/hematology-oncology-fellowships-administration/marrone/kristenmarrone.jpeg?h=375&iar=0&w=300&hash=A47FEFFEFA7428E87E337F1A15B9C64D)
Rakhi Prakash Naik, M.D., M.H.S.
Associate Program Director, Hematology Track
![Rakhi Prakash Naik, M.D., M.H.S.](/-/media/kimmel-cancer-center/images/hematology-oncology-fellowships-administration/naik.jpg?h=100&iar=0&w=80&hash=74A57466F2B67659E76A9A3543D5BE36)
Ana Maria Cristina De Jesus-Acosta, M.D.
Associate Program Director, Education
![Ana Maria Cristina De Jesus-Acosta, M.D.](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows-leadership/jesus.jpg?h=2100&iar=0&w=1500&hash=8A9491676FE33282FBE927E165D41EE5)
Jonathan Allen Webster, M.D.
Associate Program Director, Education
![Jonathan Allen Webster, M.D.](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows/jonathan-webster.jpg?h=375&iar=0&w=300&hash=B08794C5C9AEC28D211DE4FF89FB0361)
Mark Yarchoan, M.D.
Associate Program Director, Career Development
![Mark Yarchoan, M.D.](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows/mark-yarchoan.jpg?h=375&iar=0&w=300&hash=7F5A74711CD2BF4DAB96F8C19509835E)
Jacquelyn Winifred Zimmerman, M.D., Ph.D.
Associate Program Director, Research
![Jackie Zimmerman](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows/jackie-zimmerman.jpg?h=232&iar=0&w=165&hash=A23FA88F5F0C3DCB5944FFB612360AA8)
Fellowship Program Advisors
Ross C Donehower, M.D.
Senior Advisor
![Ross C Donehower, M.D.](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows-leadership/donehower.jpg?h=100&iar=0&w=80&hash=DE352E9239092C3641655AE36BDDA4F3)
Daniel Alexander Laheru, M.D.
Advisor for Solid Tumors
![Advisor for Solid Tumors](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows-leadership/laheru.jpg?h=100&iar=0&w=80&hash=F5821422D1DEBC8C15852D5B37B2E05F)
B Douglas Smith, M.D.
Advisor for Hematologic Malignancies
![B Douglas Smith, M.D.](/-/media/kimmel-cancer-center/images/hematology-medical-oncology-fellows-leadership/smith.jpg?h=100&iar=0&w=80&hash=D9A2CA040B10996813BF6F3C7FCB958A)
Fellowship Research Leadership
Mary Yousry Armanios, M.D.
Co-Director, Medical Oncology T32
![Mary Yousry Armanios, M.D.](/-/media/kimmel-cancer-center/images/hematology-oncology-fellowships-administration/armanios.jpg?h=100&iar=0&w=80&hash=825F619184FB20E7662016C343F5B4CE)
Nilofer Saba Azad, M.D.
Co-Director, Medical Oncology T32
![Nilofer Saba Azad, M.D.](/-/media/kimmel-cancer-center/images/hematology-oncology-fellowships-administration/azad_nilofer.jpg?h=640&iar=0&w=582&hash=1BFEEDA0004AB13BB5E826C1CA81192B)
Robert Alan Brodsky, M.D.
Director, Hematology T32
![Robert Alan Brodsky, M.D.](/-/media/kimmel-cancer-center/images/hematology-oncology-fellowships-administration/brodsky.jpg?h=375&iar=0&w=300&hash=AB511DF03EB23408B3DD387F519FBED4)
Johns Hopkins Kimmel Cancer Center Fellowship Program
Choosing the Johns Hopkins Hematology & Medical Oncology Fellowship Program gives you access to the leading minds in cancer and hematologic research, treatment, and patient care.
Dr. Kristen Marrone
Kristen Marrone, MD, says the Johns Hopkins Kimmel Cancer Center's Fellowship Program offers the exciting opportunity to pursue the mission of becoming an excellent physician, teacher, and researcher.
Dr. Rakhi Naik
Rakhi Naik, MD, MHS, explains that a major strength of the Johns Hopkins Kimmel Cancer Center Fellowship Program is a dedicated hematology track that allows fellows with research interests in non-malignant hematology access to the broad range of resources available at Johns Hopkins.
Dr. Arjun Gupta
Arjun Gupta, MD, MBBS, says the Johns Hopkins Kimmel Cancer Center's Fellowship Program gave him the freedom to explore his research interests and built lasting friendships with colleagues and mentors.
Dr. Daniel Zabransky
Daniel Zabransky, MD, Ph.D, says the Johns Hopkins Kimmel Cancer Center's Fellowship Program prepared him to excel in the roles both as a clinical oncologist and a physician-scientist researcher.
Dr. Erica Nakajima
Erika Nakajima, MD, explains how the Johns Hopkins Kimmel Cancer Center's Fellowship Program allowed her to develop and expand her research interest in medical imaging
Dr. Gloria Gerber
Gloria Gerber, MD, chose the Johns Hopkins Kimmel Cancer Center's Fellowship Program because of the dedicated hematology track.
Dr. Jennifer Jones
Jennifer Jones, MD, says the training in benign hematology available in the Johns Hopkins Kimmel Cancer Center's Fellowship Program is unlike anywhere else.
Dr. Stacy Cooper
Stacy Cooper, MD, says the specialized learning available through the Johns Hopkins Kimmel Cancer Center's Fellowship Program provides a distinct advantage to our pediatric fellows.
Dr. Patience Obasaju
Patience Obasaju, MD, says she chose the Johns Hopkins Kimmel Cancer Center's Fellowship Program because of the strong interdisciplinary approach and the wide range of research opportunities.