Our Residents & Fellows

Our Residents & Fellows

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Memorial Sloan Kettering's radiation oncology residents and fellows.

Memorial Sloan Kettering's radiation oncology residents and fellows.

Our residents come from diverse educational and personal backgrounds, but all share a passion for radiation oncology clinical practice and research. We are also fortunate to have multiple fellows as part of our department, specializing in brachytherapy, proton therapy, and CNS.

We work and learn together — in a single residents’ room — and consider the camaraderie of the residents and fellows one of the major strengths of our residency program.  
 

First-Year Residents (July 2024-June 2028)

Revathi Ravella, MD

Revathi Ravella, MD

I was born and raised in West Palm Beach, Florida before moving to Houston, Texas to attend Rice University where I studied biochemistry and cell biology. I then attended medical school at UT Southwestern Medical Center in Dallas, Texas where I became interested in radiation oncology. Under the mentorship of Dr. Kiran Kumar, I investigated the use of radiation in combination with CAR T-cell therapy in patients with refractory DLBCL and explored the use of VMAT in patients undergoing total body irradiation prior to stem cell transplant. I completed my transitional year internship at MSK before joining our radiation oncology residency program. In my free time, I love to play tennis, visit museums, explore Central Park, and cheer on the Knicks!


Elisa Liu, MD

Elisa Liu, MD

I was born and raised in Honolulu, Hawaii and attended Stanford University, where I majored in bioengineering and studied cartilage tissue regeneration using biomaterials. During this time, I developed an interest in oncology and studied outcomes of stereotactic radiosurgery for brain metastases. After college, I moved to Manhattan to attend NYU Grossman School of Medicine. Under the mentorship of Drs. Erik Sulman and Matija Snuderl, I studied radiation associated secondary malignancies, racial disparities in outcomes, and DNA methylation patterns in central nervous system tumors. I completed a preliminary medicine year at Lenox Hill Hospital prior to joining the MSK Radiation Oncology Residency Program. In my free time, I enjoy lifting weights, card games, and attempting to recreate international recipes.


Alexander Terry, MD, PhD

Alexander Terry, MD, PhD

I grew up in Omaha, Nebraska and went to college at the University of Chicago, where I played varsity baseball and majored in biology. During college, I became fascinated with the biology of cancer and joined the lab of Dr. Kay Macleod, where I was first exposed to cancer metabolism. I then moved across town to begin my MD/PhD training at the University of Illinois at Chicago. In Dr. Nissim Hay’s lab, I studied cancer metabolism and cellular signaling, and my graduate thesis focused on understanding how cancer cells maintain lipid homeostasis under energetic stress and during metastasis in obese mice. Following completion of my PhD, I joined my wife in NYC and completed my final two years of medical school at Stony Brook University. Next, I completed my transitional year internship at MSK prior to joining the Radiation Oncology Residency Program, where I anticipate continuing cancer metabolism research. In my free time, I enjoy reading, sports, sampling new restaurants, and watching TV with my wife and our two cats.


Shoshana Rosenzweig, MD

Shoshana Rosenzweig, MD

I was born and raised in Englewood, New Jersey. I attended Brown University where I studied computational biology. For medical school, I attended the Icahn School of Medicine at Mount Sinai through the FlexMed program. During medical school I developed an interest in radiation oncology and disparities in cancer care while conducting research with the bladder cancer research group at Mount Sinai and the pediatric radiation oncology team at the New York Proton Center. Prior to joining the Radiation Oncology residency program, I completed my transitional-year internship at Memorial Sloan Kettering. Outside of the hospital I enjoy running, skiing, cooking, and spending time with family and friends.


Gideon Haber, MD

Gideon Haber, MD

I grew up just outside Philadelphia, in Merion Station, as one of four siblings. I attended college nearby at the University of Pennsylvania, where I studied physics and biochemistry. After graduation, I spent a year as a National Institutes of Health research fellow, where our lab used high resolution electron microscopy to study clathrin-mediated endocytosis. From Washington, DC, I moved to Saint Louis to attend medical school at Washington University. There, I cultivated my interest in computational research through informatics work on predicting respiratory failure and dosimetry research gauging the accuracy of radiation treatments. I spent my preliminary internal medicine year in California at Kaiser San Francisco prior to joining the radiation oncology residency program at MSK. In my free time, I enjoy cooking/baking, playing tennis, swing dancing, and exploring new restaurants.


Kathryn Hockemeyer, MD, PhD

Kathryn Hockemeyer, MD, PhD

I grew up in Indianapolis, Indiana and attended Vanderbilt University, where I studied Molecular and Cellular Biology and International Studies. There, I performed research on the crosstalk between fibroblasts and cancer cells in the breast tumor microenvironment. After graduating, I worked at the École Polytechnique Fédérale de Lausanne in Switzerland studying the role of lymphatic endothelial cells in cross-presenting antigens derived from tumor exosomes in melanoma. I then joined the NYU MD-PhD program, where I worked under the mentorship of Iannis Aifantis investigating the role of the proteotoxic stress response in the melanoma tumor immune microenvironment. I completed the Transitional Year program at Memorial Sloan-Kettering prior to starting the Radiation Oncology Residency Program. I am interested in leveraging my research in the tumor immune microenvironment to study cancer cell-immune crosstalk in the context of radiation therapy in metastatic disease.


 

Second Year Residents (July 2023 – June 2027)

Ross Weber, MD, PhD

Ross Weber
I grew up in Westchester, New York, and attended college at the University of Pennsylvania. At Penn, I studied molecular biology with a research focus on plant hormone signaling and stayed on as a research technician studying drosophila models of neurodegeneration. Next, I enrolled in the Weill Cornell Medical College/Rockefeller University/Memorial Sloan Kettering Cancer Center (MSK) Tri-Institutional MD-PhD Program. For my graduate work, under the guidance of Dr. Kivanc Birsoy, I studied the role of organellar metabolite compartmentalization in cancer. Prior to starting the radiation oncology residency, I completed my transitional year internship at MSK. In my free time, I enjoy cooking, long walks, reading, and playing tennis.


David Miller, MD

David Miller, MD
I was born and raised in Tallahassee, Florida, and I attended Florida State University as a religion major. I then pursued a master’s degree in medical anthropology at the University of Oxford as a Frost Scholar. I moved to Washington, D.C., to complete a two-year research fellowship at the National Institutes of Health (NIH) Department of Bioethics, researching ethical and policy issues for patients at the end of life. At NIH, I became interested in the intersection of ethics, public policy, and clinical medicine, especially for patients facing serious illness, which motivated me to pursue a career in medicine. I attended medical school at the University of Pennsylvania, where I explored these interests through projects relating to palliative radiotherapy, surrogate decision-making, and medical education. I completed my internship in internal medicine at Mount Sinai Beth Israel Hospital in New York City before joining the Radiation Oncology Residency Program at MSK. During my free time, I enjoy lifting weights, skiing, playing piano, running a “Survivor” fantasy league, and hosting themed costume parties.


Yue Helen Zhang, MD

Yue Helen Zhang, MD
I was born in Zhengzhou, China, then grew up in Chapel Hill, North Carolina. After graduating from UNC-Chapel Hill with a major in biology, I attended medical school at Virginia Commonwealth University (VCU), where I discovered my interest in radiation oncology, specifically brachytherapy. While at VCU, I received a grant from the Radiological Society of North America (RSNA) to assess the clinical feasibility and benefit of utilizing a novel hybrid brachytherapy technique for locally advanced cervical cancer. Between my third and fourth year of medical school, I completed a yearlong clinical research fellowship in the Department of Radiation Oncology at MSK and investigated ways to improve the quality of radiation treatment planning. Before starting my radiation oncology residency, I completed a preliminary year in internal medicine at Greenwich Hospital in Connecticut. In my free time, I enjoy exploring Central Park with my dog, live music, yoga, and snowboarding.


Kevin Boehm, MD, PhD

Kevin Boehm, MD, PhD
I grew up in Oakton, Virginia, and attended Yale University, where I studied biomedical engineering and developed an interest in machine learning for cancer imaging. After college, I moved to New York to affiliate with the Weill Cornell Medical College/Rockefeller University/Memorial Sloan Kettering Cancer Center (MSK) Tri-Institutional MD-PhD Program. Dr. Sohrab Shah mentored my doctoral research in computational oncology, during which I developed machine-learning techniques to integrate clinical imaging and genomic data at Memorial Hospital. After graduation, I stayed at MSK to complete the Transitional Year Internship, conduct postdoctoral research in computational oncology, and join the radiation oncology residency.


Sybil Sha, MD

Sybil Sha, MD
I grew up in Orlando, Florida, and moved north to attend Cornell University, studying human biology, health, and society. During this time, I developed an interest in research of accelerated partial breast irradiation after seeing how much more convenient it could be for patients. While in medical school at the Geisel School of Medicine at Dartmouth, I continued conducting research in rectal cancer with Dr. Nirav Kapadia at the Dartmouth Institute, with a specific focus on geographic factors to radiation accessibility. I also explored research in post-radiation malignancy, disparities, and internet use in patients who underwent radiation therapy with Drs. Paul Nguyen and Kent Mouw at the Dana-Farber Cancer Institute. I completed my preliminary internal medicine year at UT Southwestern prior to joining the Radiation Oncology Residency Program. In my free time, I love finding scenic bike routes and playing backgammon with my family.


Alok Deshane, MD

Alok Deshane, MD
I was born and raised in Birmingham, Alabama, and studied sociology at the University of Alabama at Birmingham. I attended medical school at Case Western Reserve University in Cleveland, Ohio. At University Hospitals of Cleveland, under the mentorship of Drs. Serah Choi and Aashish Bhatt, I helped conduct a study evaluating an intervention to alleviate transportation burden for patients undergoing radiotherapy and worked on various clinical research projects in head and neck and central nervous system cancer. During my time at Case, I also completed a Master of Arts degree in bioethics. After medical school, I returned home to complete a transitional year at Brookwood Baptist Health in Birmingham before joining the Radiation Oncology Residency Program at MSK. In my free time, I enjoy sports (namely basketball), live music, and trying new restaurants.

Third Year Residents (July 2022 - June 2026)

Nikhil Mankuzhy, MD

Nikhil Mankuzhy
I was born and raised in Metro Detroit. I attended the University of Michigan-Ann Arbor and studied neuroscience. After graduating college, I discovered my interest in cancer care as a scribe in ocular oncology at the Kellogg Eye Center. During this time, I also conducted clinical research on precision medicine applications in pediatric oncology at Michigan Medicine. As a medical student at the Oakland University William Beaumont School of Medicine, I worked on clinical research projects with Beaumont Hospital’s Department of Radiation Oncology in lung, breast, and prostate cancer. I returned to Ann Arbor for my transitional year internship at St. Joseph Mercy Hospital before finally leaving Michigan to join the Radiation Oncology Residency Program at MSK. While living in New York City, I enjoy playing pickup basketball and trying new restaurants.


Edward “Christopher” Dee, MD

Chris Dee
I grew up in Manila, Philippines, and Vancouver, Canada, and attended Yale University, where I majored in molecular biophysics and biochemistry and studied proteins involved in DNA repair. Thereafter, I worked in global health and health policy in New Delhi, Manila, and Washington, D.C. I attended Harvard Medical School, where my interest in oncology grew. I conducted prostate cancer clinical research with Dr. Paul Nguyen and Dr. Anthony D’Amico at the Dana- Farber Cancer Institute. I also explored health services research, with a focus on disparities, financial toxicity, and oncology care delivery in lower-middle-income countries. This work has led to collaborations with a global team of researchers studying healthcare delivery and cancer disparities, allowing me to combine my interests in oncology and health equity. I completed my transitional intern year at MSK. I am an avid fan of Rainer Maria Rilke’s poetry, Marc Chagall’s paintings, and Albert Camus’ prose.


Kaitlyn Lapen, MD

Kaitlyn Lapen
I grew up in the western suburbs of Chicago and obtained my undergraduate degree at Emory University, where I studied biology and human health. I then returned to Chicago to attend the University of Illinois College of Medicine. While in medical school, I developed an interest in oncology and participated in MSK’s Medical Student Summer Fellowship Program, where I studied the use of complementary therapies for patients with cancer. Between my third and fourth years of medical school, I returned to MSK to complete a yearlong research fellowship in the Department of Radiation Oncology. Under the mentorship of Dr. Erin Gillespie, I investigated the development and implementation of a remote symptom reporting tool for patients undergoing breast radiation, in order to optimize symptom management. I completed my transitional-year internship at MSK prior to joining the Radiation Oncology Residency Program. While living in New York, I enjoy exploring various museums, spending time in Central Park, and searching for antique furniture and home decor.


Roshal Patel, MD

Patel Roshal
I was born and raised in Albany, New York. A true upstate New Yorker, I pursued undergraduate studies in health policy and biology at the University of Rochester and later attended medical school at Albany Medical College. During medical school, I spent a year at MD Anderson Cancer Center under the mentorship of Dr. Jim Welsh, studying strategies to combine radiation with immune therapies to improve outcomes in patients with metastatic cancers. Throughout my career, I have worked with several other teams focusing on research disciplines, including palliative radiation therapy, pediatric brain tumor genomics, and disparities in cancer clinical trials. Prior to joining Memorial Sloan Kettering Cancer Center, I completed my preliminary-year internship in internal medicine at Kaiser Permanente Los Angeles Medical Center. In my free time, I enjoy live music, sports, hiking, and skiing.


Alex Goglia, MD, PhD

Alex Goglia
I grew up in Edina, Minnesota, and attended Gonzaga University, where I studied evolutionary biology and philosophy as an undergraduate. After deciding to pursue medicine, I completed a master’s degree at Columbia University and then spent two years working in Dr. Simon Powell’s laboratory at Memorial Sloan Kettering Cancer Center (MSK), studying DNA repair and developing small molecule radiosensitizers. I then joined the Rutgers/Princeton MD/PhD program, where my doctoral research, funded by the NCI F30, was completed at Princeton University in the laboratory of Jared Toettcher. There, I used synthetic biology tools to study how cells use time-varying dynamics of Ras/Erk MAPK signaling activity to encode information and inform proliferative cell fate decisions. During my PhD training, I also co-founded a biotech company developing proteins whose enzymatic activity can be controlled using precise wavelengths of visible light. After graduation, I completed a transitional-year internship at MSK before joining the Radiation Oncology Residency Program, where I hope to continue studying how cell fate decision networks become corrupted in cancer. In my free time, I enjoy live music, basketball, eating every kind of food, and fishing (now in Central Park).


Yuzhong “Jeff” Meng, MD, PhD

Yuzhong “Jeff” Meng
I grew up in Nanjing, China, and attended Williams College, where I majored in chemistry and math. In my undergraduate career, I used polymer physics models and computer simulations to study the free energy of small RNA–mRNA binding with Daniel Aalberts. After a gap year of research, I joined the Harvard/MIT MD/PhD program, where I worked with Rameen Beroukhim to identify the genomic correlates of outcome in tumor-infiltrating lymphocyte therapy for metastatic melanoma. I completed my transitional-year internship at Cambridge Health Alliance before joining the Radiation Oncology Residency Program.

Fourth Year Residents (July 2021 – June 2025)

Alexandra Dreyfuss, MD, MS

Alexandra Dreyfuss
I grew up in Miami, Florida and attended the University of Pennsylvania for college, where I majored in Chemical and Biomolecular Engineering and designed production processes for cancer therapeutics. I remained at Penn for medical school where my love for the nuanced and compassionate relationship between a cancer patient and physician first developed. My interest in oncology deepened through my research in the oncologic applications of molecular imaging under the mentorship of Dr. Abass Alavi, and more broadly through my research in clinical trial design and novel radiation technologies. While in medical school I also completed a Master’s of Science in Translational Research, investigating radiation-induced cardiotoxicity as an NIH TL1 grant recipient in the lab of Dr. Costas Koumenis. I completed my transitional year internship at MSKCC where I experienced the value of coordinated, multidisciplinary cancer care and I am excited to continue my training in the Radiation Oncology Residency Program.


Chengcheng Gui, MD

Chengcheng Gui
I grew up in Winnipeg, Canada, before studying chemical and biological engineering as an undergraduate at Princeton University. There, I developed an interest in computational modeling of biophysical systems. During my medical training at Johns Hopkins University, I assisted Dr. Kristin Redmond in completing several clinical studies of radiation therapy for brain and spine tumors. Some of our work took advantage of machine learning techniques for predicting clinical outcomes. I completed a preliminary year in internal medicine at Greater Baltimore Medical Center, before joining the Radiation Oncology Residency Program at MSK.


Christopher Jackson, MD, MS

Christopher Jackson
I was born and raised in Phoenix, Arizona. I attended college at Stanford University where I majored in bioengineering. I went to Columbia University College of Physicians and Surgeons for medical school. During medical school, I took two years to obtain a Masters in Biomedical Sciences working in Ranjit Bindra’s lab at Yale University. My thesis explored DNA repair deficits in glioblastoma. Before joining the Radiation Oncology Residency Program, I completed a transitional year internship at MSK.


Gustav Cederquist, MD, PhD

Gustav Cederquist
I grew up in Valley Forge, Pennsylvania and attended Harvard University. While at Harvard, I conducted research on the genetics of neocortical development and received a Bachelor’s degree in Molecular and Cellular Biology. I then joined the Weill Cornell/Rockefeller/Sloan-Kettering Tri-Institutional MD-PhD Program, where I worked under the mentorship of Dr. Lorenz Studer to develop novel pluripotent stem cell-based approaches to dissect the cellular heterogeneity of the human brain. After my PhD, I joined the lab of Dr. Adam Schmitt at Memorial Sloan-Kettering working to identify genetic determinants of radio-resistance in metastatic disease. I completed a transitional year internship at Memorial Sloan-Kettering before joining the Radiation Oncology Residency Program.


Matthew McMillan, MD

Matthew McMillan
I was born and raised in Charlotte, North Carolina and attended the University of South Carolina, where I received my undergraduate degree in History and German. After deciding to pursue a career in medicine, I moved to Philadelphia, where I completed a pre-health post-baccalaureate program at the University of Pennsylvania. While completing my premed coursework, I worked as a Harrison Surgical Scholar at Penn Surgery under the mentorship of Charles Vollmer. During this time, I had the opportunity to learn about radiation oncology through collaborating on research projects with Eric Ojerholm and Charles Simone. I then attended medical school at the University of Michigan and worked in the laboratories of Theodore Lawrence and Meredith Morgan, where I studied targeting the DNA damage response to sensitize pancreatic cancers to immune checkpoint blockade. I completed a transitional year internship at MSK prior to joining the Radiation Oncology Residency Program.


Sana Raoof, MD, PhD

Sana Raoof
I grew up in Long Island, New York and attended Harvard College, where I studied Chemistry and Physics. In my undergraduate career, I studied the statistical mechanics of protein folding and worked on passing anti-tobacco legislation. My interest in reducing the burden of tobacco-related diseases led me to the MD-PhD program at Harvard-MIT (HST), where I studied the epigenetic basis of drug tolerance in oncogene-mutant lung cancers and designed drug combinations to block the evolution of resistance. My concurrent work in the anti-tobacco space shifted my post-graduate scientific interests from drug development for late stage cancers to early detection and prevention of cancer. During my preliminary year in medicine at Massachusetts General Hospital, I published and presented widely on the topic of liquid biopsy for cancer screening. I hope to conduct research on early detection technologies at Memorial Sloan Kettering as a radiation oncology resident.

Brachytherapy Fellows (July 2024 - June 2025)

Aneesh Dhar, MD, MS

Aneesh Dhar, MD, MS

I grew up in Windsor, Ontario, Canada and studied Medical Physics for my Bachelor’s and Master’s of Science degrees at the University of Windsor. I then attended the Schulich School of Medicine and Dentistry at Western University in London, Ontario, Canada. During this time, I became very interested in Radiation Oncology as a specialty, as I find the use of advanced technologies and caring for patients with cancer to be very rewarding. I completed my five-year Radiation Oncology residency training at McMaster University in Hamilton, Ontario, Canada, and then completed a PGY6 Fellowship in Genitourinary Radiation Oncology at Western University. The topics of this Fellowship were stereotactic radiation for prostate and renal cancers, and advanced imaging of prostate cancer with MRI and PSMA PET. I have since worked as an locum Radiation Oncologist in London, Ontario, Canada, seeing patients with genitourinary, gastrointestinal, breast, and skin malignancies. I am excited to start my Brachytherapy Fellowship at Memorial Sloan Kettering. In my free time, I like to read books, go for hikes, and spend time with family and friends.


Nilan Naik, MD

Nilan Naik, MD

I was born and raised in Dallas, Texas and first moved to Manhattan for undergraduate studies at Columbia University where I graduated with a degree in Economics. I attended medical school at UT Health San Antonio and completed my residency at the University of Texas Medical Branch with integrated training at MD Anderson and Houston Methodist Hospitals where I developed an interest in brachytherapy. After residency, I worked as a board-certified radiation oncologist primarily in a community setting treating patients with a wide variety of cancers.   I am excited to continue my brachytherapy training at the highest level at MSKCC, an innovative place where I get to work alongside giants in the field of radiation oncology. In my free time I enjoy photography, watching football and soccer, motorsports, and trying new restaurants.


Proton Therapy Fellow (July 2024 – June 2025)

Amir Safavi, MD, MSc

Amir Safavi, MD

I grew up in Toronto, Canada and attended Columbia University for college, where I majored in Biology and Music, studied violin with Juilliard School faculty, and performed at venues including Carnegie Hall. Fascinated by cancer biology, I completed a Master of Science at the University of Toronto investigating the functional genomics of leiomyosarcoma under Dr. Rebecca Gladdy. My clinical interest in oncology led me to medical school at McMaster University and Radiation Oncology residency at the University of Toronto (Princess Margaret Cancer Centre/Sunnybrook Odette Cancer Centre). During this time, I served as Chief Resident and published work in clinical outcomes, health services, and oncology education under Drs. Laura Dawson, David Palma, Alexander Louie, Alejandro Berlin, and Meredith Giuliani. I am excited to train at Memorial Sloan Kettering Cancer Center as an aspiring clinician-investigator and develop expertise in head-and-neck and lung oncology, CNS radiosurgery, as well as adaptive and proton radiotherapy.

Clinical Translational Research Fellow (July 2024-June 2025)

Bill Diplas, MD, PhD

Bill Diplas, MD, PhD

I grew up in Blacksburg, Virginia and attended Johns Hopkins University for my undergraduate degree in biomedical engineering. During and after college, I did genetics and biomedical engineering research at Johns Hopkins and then at the Swiss Federal Institute of Technology Lausanne (EPFL) through the Whitaker Fellowship. I then joined the MD/PhD program at Duke University School of Medicine, where I did my doctoral research on cancer genomics and neuro-oncology, funded by the NCI F30, in the laboratory of Hai Yan. My work focused on identifying novel genomic alterations in glioblastoma and developing sensitive mutation-detection tools with applications in liquid biopsy. I completed a transitional year internship at MSKCC and then joined the Radiation Oncology Residency Program at MSKCC. During residency, I did translational research studying genetic and radiographic features of head and neck cancer (Nancy Lee, Nadeem Riaz) and genetic predictors of response to immunotherapy (Steve Maron, Luis Diaz). I served as a chief resident and completed the Holman Research Pathway, working to study factors regulating the alternative lengthening of telomeres (ALT) pathway in cancer in the laboratory of Agnel Sfeir at the Sloan Kettering Institute.  I was awarded the K12 Paul Calabresi Career Development Award to support my current translational cancer research training and continue my work studying ALT.