Course Directors:

Anuj Goenka, MD *

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Dr. Goenka is board-certified in radiation oncology and physics and has extensive experience with proton radiotherapy, intensity modulated radiation therapy, stereotactic body radiation therapy and brachytherapy applications.

He received his medical degree at Johns Hopkins University and completed his post graduate training at Memorial Sloan-Kettering Cancer Center. He specializes in the treatment of cancers of all subsites, including brain, head and neck, lung, breast, esophageal, colorectal/anal, prostate, and gynecological malignancies.

Dr. Goenka is the recipient of several leadership awards, has published numerous articles and abstracts in national and international journals and has participated as a guest speaker internationally. He holds memberships at the American Medical Association, American Society for Therapeutic Radiology and Oncology, and American Association of Physicians of Indian Origin among others and is actively involved in Community Outreach programs.

Louis Potters, MD, FACR, FASTRO, FABS *

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Louis Potters, MD, FACR, FASTRO FABS is chairperson of the Department of Radiation Medicine at Northwell Health and professor at the Zucker School of Medicine at Hofstra/Northwell. He is Deputy Physician in Chief and the Marilyn and Barry Rubenstein Chair in Cancer Research for the Northwell Health Cancer Institute. He holds an Affiliate Membership at the Cold Spring Harbor Laboratory Cancer Institute.

Dr. Potters is a practicing radiation oncologist and an internationally recognized expert in the management and treatment of prostate cancer. He has authored more than 180 publications, book chapters and editorials. Board-certified in internal medicine and radiation oncology, Dr. Potters previously served as Medical Director of the New York Prostate Institute and as associate member in radiation oncology at Memorial Sloan Kettering Cancer Center. He received his medical degree from the Rutgers Medical School, and his undergraduate degree from Emory University.

Dr. Potters is past President for the Society of Chairs in Academic Radiation Oncology Programs (SCAROP) and has served as a board member and other leadership roles for the American Society of Radiation Oncology and other medical societies. He has authored several key national cancer treatment guidelines for radiation oncology. Dr. Potters has been a consultant for the US Nuclear Regulatory Commission, the National Quality Forum and the Agency for Healthcare Research and Quality. He has served as an executive committee member for the American College of Surgeons Commission on Cancer and has participated on several US Department of Health and Human Services committees and panels. He is currently on the Board for the Long Island Chapter of the American Cancer Society and is the founding Chair of the Northwell Health Physician Partners Board of Governors, the eighth largest medical group in the US.

Dr. Potters oversees one of the largest radiation oncology departments with a faculty and staff devoted to excellent patient care, research, and the education of tomorrow’s oncologists. The department is recognized as a pioneer for high quality and safe cancer care through its Smarter Radiation Oncology initiative.

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Leila Tchelebi, MD

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Leila Tchelebi, MD, is an Assistant Professor of Radiation Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell. After graduating from NYU School of Medicine, Dr. Tchelebi did her residency at New York Presbyterian Brooklyn Methodist Hospital. Dr. Tchelebi’s research focuses on quality assurance in radiation medicine, standardization of care, and gastrointestinal (GI) oncology. She’s contributed her insights to guidelines on the treatment of several GI cancers, including pancreas, stomach, and hepatobiliary, and she wrote international guidelines on managing GI patients during Covid.  She’s involved with several national committees geared toward GI oncology, innovation, and quality, and she looks forward to advancing the field through science — all with the aim of continuing to follow her passion for ensuring the best in patient outcomes.


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William C. Chen, MD

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Vice Chairperson of Radiation Medicine, Quality and Safety
Assistant Professor, Zucker School of Medicine at Hofstra/Northwell

Board certified general radiation oncologist, William C. Chen, M.D., is comfortable managing all disease sites utilizing modern technologies and techniques.  He has a particular interest in stereotactic ablative radiation therapy and the potential role of local therapies in the management of advanced malignancies.

Board certified general radiation oncologist, William C. Chen, M.D., is comfortable managing all disease sites utilizing modern technologies and techniques.  He has a particular interest in stereotactic ablative radiation therapy and the potential role of local therapies in the management of advanced malignancies.

Dr. Chen trained at Yale University, New York University School of Medicine, Yale-New Haven Hospital and University Hospitals of Case Western Reserve University.  Before joining Northwell Health, he was in private practice and served the communities of Erie and Niagara counties in western New York.  He strives to deliver excellent patient-centered care and collaborates with the multidisciplinary team of experts.  Outside of medicine, he enjoys photography, hiking and dining out.

Arpit Chhabra

Arpit Chhabra, MD

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Dr. Arpit Chhabra is an attending radiation oncologist at the New York Proton Center and specializes in the treatment of central nervous system (CNS) tumors, head and neck cancers, as well as malignancies of the gastrointestinal (GI) and genitourinary (GU) tracts. He is also an Assistant Clinical Professor in the Department of Radiation Oncology at Mount Sinai Health System. In addition to his clinical responsibilities, Dr. Chhabra is the Director of Education and lead physician of the International Relations program at the New York Proton Center.

Dr. Chhabra has published numerous papers and textbook chapters on the utilization of proton beam therapy and has earned awards for outstanding achievement in clinical research. He is currently leading multiple research initiatives looking at novel indications for proton beam therapy and is co-principal investigator on ongoing proton beam therapy clinical trials.

Joe Herman, MD, MSc, MSHCM, FACR

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Joseph M. Herman, MD is currently Director of Clinical Research for the Northwell Health Cancer Institute and Vice-Chair of Clinical Informatics in the Department of Radiation Oncology.  He is a Professor at the Zucker School of Medicine at Hofstra/Northwell.

Previously, he was Professor and Ad Interim Division Head in Radiation Oncology at The University of Texas MD Anderson Cancer Center. Prior to this he was an Associate Professor at Johns Hopkins University Department of Radiation Oncology, where he was director of the gastrointestinal division. He has served as Principal Investigator for several institutional gastrointestinal protocols and is a Co-Investigator (radiation oncology lead) for the Alliance 021101 borderline re-sectable cancer trial, which is evaluating the role of stereotactic body radiation therapy (SBRT) for such cases. His major areas of clinical and basic research involve identification of novel biomarkers and integration of SBRT and hypofractionated radiation with immunotherapy and targeted therapies.


Angela Jia, MD, PhD

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Assistant Professor, Radiation Oncology

Case Western Reserve University

Director, Genitourinary Radiation Oncology

University Hospitals Seidman Cancer Center

Cleveland, OH


Angela Jia, MD PhD, is an Assistant Professor in the Department of Radiation Oncology at Case Western Reserve University and Director of Genitourinary Radiation Oncology at University Hospitals Seidman Cancer Center. She completed her medical training at Weill Cornell Medicine, doctoral training in Pathology at Columbia University, and residency training at Johns Hopkins University, where she served as Chief Resident. Her doctoral thesis investigated the role of microRNAs in bladder cancer tumorigenesis and progression. In 2020, she received the RSNA Research Resident/Fellow Grant to support her study in the design and synthesis of a radiolabeled soluble version of the E7-specific, human HLA-A*02:01-restricted T-cell receptor as a target for radiopharmaceutical therapy. Her research interests include clinical studies of targeted radiopharmaceuticals, the development and validation of prognostic and predictive biomarkers, and clinical trials to optimize the potential of radiotherapy against endpoints that are the most important to patients.

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Minesh Mehta, MD

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Minesh Mehta, M.D., is a world-renowned expert in radiation oncology, proton therapy, radiosurgery, brain tumors, and cancer research. He was named Deputy Director and Chief of Radiation Oncology at Miami Cancer Institute, a part of Baptist Health South Florida, in November of 2015. In this role, he oversees one of the world’s most comprehensive radiation therapy programs, including South Florida’s first Proton Therapy Center and a suite of the latest, most sophisticated radiation treatment modalities and technologies. 

Dr. Mehta came to Miami Cancer Institute from the University of Maryland’s Proton Treatment Center, where he launched the mid-Atlantic’s first dedicated pencil-beam proton treatment center and served as its Medical Director. In addition, he was Associate Director of Clinical Research at the University of Maryland School of Medicine’s Department of Radiation Oncology. 

Previously, he was the Chairman of the University of Wisconsin School of Medicine and Public Health’s Department of Human Oncology, where he led numerous research studies, innovative technology innovation and implementation through federally-funded team science grants (Tomotherapy PO1), and oversaw substantial practice expansion of the University of Wisconsin Cancer Center clinical operations. He was also Program Leader for the University of Wisconsin’s Comprehensive Cancer Center’s Imaging and Radiation Sciences Program (P30) for approximately 15 years, led a project grant (U01) in brain tumor clinical trials, and has been the Chair of the RTOG/NRG Oncology’s Brain Tumor Committee since 1999, funded by NIH CA RTOG and NRG grants. 

Dr. Mehta has designed and led several national and international clinical studies, receiving NIH, NCI, and industry grants and been awarded many honors. He has held national leadership positions in numerous organizations including the American Board of Radiology, the FDA Radiological Devices Panel, the American Society for Radiation Oncology, the American Society of Clinical Oncology, the Society of Neuro-Oncology, and major proton therapy collaborative entities such as the Particle Therapy Collaborative Group (PTCOG), Proton Collaborative Group (PCG), National Association for Proton Therapy (NAPT), etc. 

A well-respected clinician and researcher, Dr. Mehta has over a thousand publications, including manuscripts, book chapters, and professional abstracts, and serves on the editorial board of several peer-reviewed journals. 

Dr. Mehta graduated with honors from the University of Zambia School of Medicine and completed his residency at the University of Wisconsin, where he was chief resident in radiation oncology. 

Kavita Mishra

Kavita Mishra, MD, MPH

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Kavita K. Mishra, MD, MPH, is an internationally renowned proton radiation cancer care expert and Professor at the Department of Radiation Oncology and the Osher Center for Integrative Health at the University of California San Francisco (UCSF). Dr. Mishra received her bachelor’s degree from Harvard College, her Doctor of Medicine from the UCSF School of Medicine, and her master’s from the Harvard School of Public Health. She finished her residency at UCSF Radiation Oncology, joined the faculty and is a Professor and Director of the Ocular Tumor Radiation Therapy Program. She completed her fellowship in integrative medicine at the UCSF Osher Center with a focus in integrative oncology and mind-body medicine. Dr. Mishra has published multiple significant research articles and delivered numerous presentations. She is active in the Integrative Oncology Working Group as the Mind-Body Medicine co-lead and the Society for Integrative Oncology’s Health Equity, Inclusion, & Belonging Task Force. She is also part of the UCSF Collaborative to Advise on Reopening Education Safely during the COVID-19 pandemic.


Najeeb Mohideen, MD, FRCR, FASTRO, FACR

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Dr. Najeeb Mohideen MD is a Board Certified Radiation Oncologist at Northwest Community Hospital, Northshore University  Health System, IL, USA. He trained in Clinical Oncology in India and the UK and completed a residency in Radiation Oncology at Loyola University Medical Center (LUMC), Maywood in 1997, then joined the faculty of LUMC and was an Associate Professor in Radiation Oncology prior to joining Northwest Community Hospital in 2005.

He holds many National leadership positions in Radiation Oncology. He is the current President of the Radiosurgery Society. He is Chair of the Practical Radiation Oncology (PRO) Track for the American Society of Radiation Oncology (ASTRO) Education Committee, Chair of the ASTRO Payment Reform Work Group and the Senior Editor of ASTROnews. He serves on the Board of Directors for the Radiosurgery Society, is a member of the Medicare Evidence Development & Coverage Advisory Committee (MEDCAC) and previously served on the Board of Directors of ASTRO. He is a Fellow of the American Society of Radiation Oncology and the American College of Radiology.

Zachary Morris

Zachary Morris, MD, PhD

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Zachary Morris, MD/PhD is an associate professor and vice-chair of the Department of Human Oncology at the University of Wisconsin School of Medicine and Public Health. He completed undergraduate studies at Ripon College and two master’s degrees as a Rhodes Scholar at Oxford University. He subsequently obtained his MD and PhD from Harvard Medical School. He completed an internship in Internal Medicine at the University of Hawaii and residency in Radiation Oncology at the University of Wisconsin. As a resident he completed post-doctoral research focused on tumor immunology. Dr. Morris joined the faculty at UWSMPH in 2016 as a physician-scientist in the Department of Human Oncology. Clinically he specializes in the treatment of patients with melanoma and sarcomas with a secondary focus on prostate and head and neck cancers. His translational research laboratory examines the mechanisms and pre-clinical testing of treatment approaches that combine radiation and immunotherapies to drive anti-tumor immune responses. He was a 2017 recipient of the NIH Director’s Early Independence Award and is co-PI on a NIH Cancer Moonshot Initiative U01 grant. More recently, Dr. Morris co-led a UW team in the successful application for a NIH P01 program project grant that focuses on the interaction between targeted radionuclide therapies and immunotherapeutics. Dr. Morris serves as PI for multiple clinical trials and currently serves as chair for the Big Ten Cancer Research Consortium’s Sarcoma Clinical Trials Working Group and for the NIH Radiation-Immunotherapy Working Group.


Chelsea C. Pinnix MD, PhD

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Associate Professor, MD Anderson Cancer Center, Houston, Texas, USA

Chelsea Pinnix is an Associate Professor in the Department of Radiation Oncology at MD Anderson Cancer Center where she specializes in the treatment of patients with hematologic malignancies. She graduated from the University of Pennsylvania School of Medicine in 2007, where she earned a medical degree and a PhD in Cell and Molecular Biology.  She then completed residency MD Anderson Cancer Center in the Department of Radiation Oncology.  In 2012 she joined MD Anderson as faculty on the Hematologic Malignancies section. Her research is focused on the maximization of the therapeutic ratio for patients with hematologic malignancies through the utilization of radiation therapy. She is the principal investigator of clinical studies aimed at decreasing normal tissue toxicity from radiation through the use of advanced technology to reduce radiation exposure, utilization of smaller field sizes or reduced RT doses. She is also focused on the identification of improved treatment strategies that incorporate radiation combined with immune based therapies in the management of aggressive and refractory lymphomas. She is presently the Director of the Radiation Oncology Residency Program at MD Anderson Cancer Center. She is currently the Education Council Vice-Chair on the Board of Directors for the American Society for Radiation Oncology (ASTRO), she serves as the Radiation Oncology Chair on the SWOG Myeloma committee as well as the Radiation Oncology Representative on the NCI Lymphoma Steering Committee.

Nadeem Riaz, MD

Nadeem Riaz

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Dr. Riaz is a physician scientist at Memorial Sloan Kettering Cancer Center (MSKCC) who treats head and neck cancer and specializes in the treatment and study of HPV related cancers. He obtained his M.D. and a M.Sc. in bioinformatics from Stanford University, completed clinical training in radiation oncology at MSKCC, and subsequently stayed on staff and serves as the director of the Precision Radiotherapy Initiative. He has published over 175 articles, including in leading journals such as Cell, Nature Genetics, Nature Cancer, Nature, JCO, and Science and his work has been cited over 15,000 times. He has lectured both nationally and internationally on head and neck cancer and cancer immunogenomics.   

Daniel Spratt

Daniel Spratt, MD

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Daniel Spratt, MD, is the Vincent K. Smith Chair of the Department of Radiation Oncology at University Hospitals Seidman Cancer Center and a Professor and Chair of Radiation Oncology at Case Western Reserve University School of Medicine.  Dr. Spratt completed his medical training at Vanderbilt University and residency training in Radiation Oncology at Memorial Sloan Kettering Cancer Center. He joined the faculty at the University of Michigan in 2015 and became the fastest tenured Professor in the University’s history in 2020. While at the University of Michigan he was the Chief of the Genitourinary Radiotherapy Program, Director of Spine Oncology, and co-Chair of the Genitourinary Clinical Research Team for the Rogel Cancer Center. Dr. Spratt joined UH Seidman Cancer Center and the Case Comprehensive Cancer Center (CCCC) in 2021 where he serves as the Chair for the Department of Radiation Oncology and co-PI of the CCCC NCTN LAPS grant. Dr. Spratt is an international expert in prostate cancer, clinical trial design, and biomarker development and validation. He serves as the Chair of the Intact Prostate Cancer Subcommittee within NRG Oncology, member of the NCCN prostate cancer guidelines committee as a special invited biomarker expert, member of the National Cancer Institute’s Genitourinary Steering Committee, and ad hoc expert for the FDA’s Oncologic Drugs Advisory Committee. He runs an NIH funded translational research team focused on the development and validation of prognostic and predictive biomarkers, has published over 350 peer-reviewed manuscripts, and has served as the principal investigator on numerous national and international clinical trials. He has mentored over 40 students, residents, fellows, and faculty, and has received numerous teaching and mentorship awards.

Gregory Videtic, MD

Gregory M. M. Videtic, MDCM, FRCPC, FACR, FASTRO

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Dr. Videtic is a Staff Physician in the Department of Radiation Oncology of the Cleveland Clinic’s Taussig Cancer Institute and a Professor of Medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.

He was born in Montreal and attended McGill University where he obtained a B.Sc. with Honors in Physiology, followed by completion of his medical degree. He completed a Residency in Family Medicine at Dalhousie University in Halifax, Nova Scotia, in 1988. He completed a Research Fellowship in Geriatrics at the University of Western Ontario in 1992 then returned there for a Residency in Radiation Oncology, completing it in 1997. He completed a CNS Radiosurgery/Brachytherapy Fellowship in 1998 at Wayne State University in Detroit, MI, under the mentorship of Dr. Laurie Gaspar.

His first staff position was at the London Regional Cancer Centre in London, Ontario. He then moved to the Dana-Farber Cancer Institute, Boston, MA, in 2000, followed by a move to the Cleveland Clinic’s Department of Radiation Oncology in 2003. At the Clinic, he is currently the Director of Thoracic Radiation Oncology, with primary responsibility to leading the lung stereotactic body radiotherapy program since its inception in 2004.

Among other affiliations, he is a member of the Lung Cancer Steering Committee of the Radiation Therapy Oncology Group (RTOG) and was the Principal Investigator for RTOG 0915. He was Senior Editor (Thoracic) for the “International Journal of Radiation Oncology, Biology, Physics” from 2013 to 2016 and is an Executive Editor at “ASTRO’s Advances in Radiation Oncology” Journal since 2016.

Catheryn Yashar, MD

Cathryn Yashar, MD

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Dr. Yashar trained in obstetrics and gynecology, gynecologic oncology and radiation oncology and therefore and specializes in the treatment of breast and gynecologic cancers at the University of California Department of Radiation Medicine and Applied Sciences. She is the co-director of the brachytherapy service, chief of the breast radiation services and Vice Chair for Clinical Affairs. She is active locally and nationally currently serving on the board of directors for the American Society of Radiation Oncology (ASTRO) as the Vice Chair of the Health Policy Council and CPT advisor and as a trustee for the American Board of Radiology (ABR).

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Heather Zinkin, MD

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Heather Zinkin, MD is a radiation oncologist at Northwell health in Huntington with a special interest in breast cancer, integrative medicine, patient wellness and nutrition. She attended the University of Pennsylvania and graduated Summa Cum Laude.  She graduated from NYU School of Medicine and performed her medical internship at Brigham and Women’s Hospital in Boston. She completed a residency in radiation oncology at a combined program at Tufts and Brown University and served as chief resident. She then returned to her hometown where she has been practicing for the past 15 years and was appointed Chief of Radiation Medicine at Huntington Hospital. She has given many breast cancer and survivorship lectures both in hospital and community settings including active participation in the Northwell Wellness Center. She has also served on various physician panels for community education and holds certificates in Nutrition from Cornell University.

* Planner

Physics Track:

Yijian Cao 2023

Yijian Cao, PhD

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Serving as chief physicist of Department of Radiation Medicine at Northwell, Yijian Cao, Ph.D, oversees and coordinates clinical medical physics operations at all 8 department sites. He is also to develop and grow research and education programs in radiation oncology physics and clinical dosimetry. His research focuses are the optimizations and automations of treatment planning, AI/ML for clinical QA procedures, and workflow management and integration for safety and efficiency. He teaches in Hofstra medical physics graduate program.

Board Certifications
Therapeutic Medical Physics – American Board of Medical Physics

Administrative Titles
Director of Medical Physics – Department of Radiation Medicine, Northwell

Academic Titles
Assistant professor, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell
Adjunct associate professor, Department of Physics, Hofstra University

B.S. – Physics, Nanking University
Ph.D – Condensed Matter Physics, University of Missouri-Columbia

Chang - Jenghwa Chang

Jenghwa Chang, PhD, FAAPM *

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Dr. Jenghwa Chang is a medical physicist certified by ABR and ABMP. His major clinical responsibility is Gamma Knife stererotactic radiosurgery/radiogherapy and he is currently the lead physicist for the Gamma Knife SRS/SBRT program at Northwell Health. Dr. Chang is the Director of the Medical Physics Residency Program at Northwell Health as well as the Director of Medical Physics Graduate Program at Hofstra University.

Dr. Chang received the B.S. degree in control engineering and the M.S. degree in communication engineering, both from the National Chiao-Tung University, Hsinchu, Taiwan, and earned his Ph.D. degree in electrical engineering from the Polytechnic Institute of New York University, Brooklyn. Prior to his current position, Dr. Chang held faculty appointments at NewYork Presbyterian Hospital-Weill Cornell Medical College (2010-2016), NYU Langone Medical Center (2008-2009), and Memorial Sloan-Kettering Cancer Center (1997-2008). Dr. Chang is a member of IEEE, AAPM and ASTRO. He is actively involved in professional activities and has served multiple committees and officers for AAPM and RAMPS. He has also offered several SAM educational/professional lectures to colleagues at various national/international meetings, and is a site surveyor for the ACR ROPA program.

Dr. Chang’s research interest involves applying engineering and physics principles to medicine, particularly, in the fields of radiology and radiation oncology. He has published over 60 peer-reviewed journal articles in the fields of electrical engineering, medical physics, radiation oncology and biomedical engineering. Dr. Chang was a pioneer in optical diffusion tomography for early detection of breast cancers. He has also implemented the cone-beam computed tomography on a medical linear accelerator to improve the treatment setup accuracy and critical organ avoidance for radiation oncology patients.  Currently, he is focusing on the research of quality improvement, automation, deep-learning network and small field dosimetry. Dr. Chang is a reviewer for multiple international peer-reviewed journals, including Medical Physics, International Journal of Radiation Oncology Biology Physic, Journal of Applied Clinical Medical Physics…


Joseph V. Kingsley, MS

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Kingsley V. Joseph serves as a Junior Medical Physicist in the Department of Radiation Oncology at St. Vincent’s Medical Center, Hartford HealthCare. Kingsley received his B.S. degree in Physical Science/Biomedical Engineering at St. John’s University, M.S degree in Biomedical Engineering from the Tandon School of Engineering formerly Polytechnic Institute of New York University, M.S. degree in Medical Physics from Hofstra University, and completed his Therapeutic Medical Physics residency training from the University of Toledo Medical Center. Kingsley is a current member of AAPM and he assist in teaching medical physics to therapy and dosimetry students. His research interest include small field dosimetry and the role of deep learning AI in radiation oncology.

Haibo Lin, PhD

Haibo Lin, MD, PhD

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Dr. Haibo Lin has a broad background in therapeutic medical physics, with specific experience and expertise in proton therapy. He received Ph.D in physics and M.S in medical physics from the University of Missouri in 2009. He started medical physics training at the UPenn medical physics residency program after graduation. After residency training, he joined the UPenn proton physics team and became the proton team lead in 2016. Dr. Lin is currently a Research Associate Professor and Director of Medical Physics at the New York Proton Center (NYPC). His research interest focuses on proton dosimetry. He has more than 30 peer-reviewed publications and 5 book chapters related to proton therapy. As the NYPC manager, he oversees the physics and dosimetry service and operation, new technology development/ implementation, and radiation safety programs. He has adjunct academic appointments with partner hospitals: Assistant Attending at Memorial Sloan Kettering Cancer Center and adjunct Assistant Professor at the Albert Einstein College of Medicine in New York.

Emil Schueler

Emil Schueler, PhD

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Dr. Emil Schueler is an Assistant Professor in the Department of Radiation Physics at the University of Texas MD Anderson Cancer Center. He received his Ph.D. in Radiation Biology/Physics from the University of Gothenburg, Sweden. Dr. Schueler joined Stanford University in 2015 where he completed his postdoctoral and his Medical Physics Residency training before joining the faculty as instructor. He was recruited to MD Anderson in the fall of 2020 where he now co-leads the Division of Radiation Oncology FLASH Radiation Therapy initiative to bring FLASH RT to the clinical stage. Dr. Schueler and his lab is establishing the technical infrastructure for translating FLASH for patient treatment, developing the physics and dosimetry tools needed to ensure that FLASH treatments are safe, and conducting preclinical and translational studies to optimize the FLASH effect and to reveal how FLASH spares normal tissues. The overarching goal of Dr. Schueler’s laboratory is to spearhead the development of novel treatment modalities and techniques to improve and expand the arsenal of cancer therapies.


Jussi Sillanpaa, PhD

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Jussi Sillanpaa, PhD DABR is a board certified medical physicist (radiation therapy) and an Associate Professor at Northwestern University’s Feinberg School of Medicine. He is a fulltime clinical physicist, whose research interests include spatially fractionated radiotherapy, SRS/SBRT and rachytherapy. He also teaches radiation oncology and medical physics residents.


Karl D. Spuhler, PhD

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Dr. Karl Spuhler is a medical physicist and clinical assistant professor at NYU Langone Long Island School of Medicine. His primary clinical focuses are scripting and workflow automation. Dr. Spuhler’s primary research interests are the applications of machine learning, with a focus on image analysis methods, to radiation therapy.

Yading Yuan, PhD

Yading Yuan, PhD

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Yading Yuan, PhD. is an Associate Professor at the Icahn School of Medicine at Mount Sinai. He graduated with a PhD in medical physics from the University of Chicago in 2010 where he worked on multi-modality computer-aided diagnosis for breast cancer. After completing the clinical medical physics residency from Harvard Medical School in 2013, he joined the Mount Sinai Hospital as an assistant professor and clinical medical physicist in the department of radiation oncology. His research lies in the interdisciplinary fields in computer engineering, physics and medical imaging, with primary focus on exploring the use of advanced computer vision and machine learning techniques to enhance the role of medical imaging in clinical decision making for cancer diagnosis and treatment. In particular, he has more than 15 years of experience in medical imaging analysis and computer vision involving object detection, image segmentation, quantitative imaging biomarker development and image classification, and uses machine learning as a research tool to address problems that have important and diverse clinical implications in cancer detection, diagnosis, prognosis, automated treatment planning, and treatment response evaluation. He is a ABR board-certified medical physicist and holds a NYS license for clinical therapeutic medical physics.

Nursing Track:


Adenike Adewale, MSN, APRN, AGNP-C

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Adenike Adewale is an Adult/Gerontology Nurse practitioner at Northwell Radiation Medicine. She initially attended Long Island University, receiving a Bachelor of Science in Nursing and her NP degree from Stony Brook University. While working at New York Presbyterian, Queens, she completed her Master of Science in Nursing with a subspeciality in Adult/Gerontology. Adenike is a Board-Certified Adult Nurse Practitioner licensed in New York state. She has worked primarily with prostate cancer patients with Dr. Potters. Adenike is currently pursuing her Doctor of Nursing Practice degree at Wilmington University, where she got inducted into the Sigma Theta Tau, the International Honor Society of Nursing. She had worked in multiple specialty areas before she joined the health system in 2016. She currently works as the Supervisor, Advanced Care Provider in Radiation Medicine.

Kelsey head shot

Kelsey Keenan, RN, BSN, OCN

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Kelsey Keenan has been an Oncology RN for 12 years, the last 8 years, in Radiation Oncology. She graduated dean’s list from New York University with a BSN degree. She is an active member of ONS and gained her OCN certification in 2017. She worked inpatient oncology from 2010-2014 at Maimonides Medical Center and NYU Langone Medical Center. In 2014, she became a nurse at NYU Winthrop Hospital and worked in their Cyberknife Radiation Center in Manhattan until 2021. Currently, she is working as a nurse manager at Northwell Health in the Radiation Medicine department. She actively participates in Nursing and Medical research. She has been interviewed by Ecancer Organization and has authored nine poster presentations since 2018 that she presented at conferences nationwide.

Bryan Purcell, MS, AGNP-C

Bryan Purcell, MS, AGNP-C

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Bryan Purcell, MS, AGNP-C

NYU Langone-Long Island

Nurse Practitioner Radiation Oncology

Gayle Somerstein

Gayle Somerstein, RN, BSN, OCN, MPH, MBA

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Gayle Somerstein currently works as the Senior Director of Patient Care Services for the Radiation Medicine Service Line in the Northwell Health Cancer Institute. Ms. Somerstein’ s responsibilities include clinical leadership and oversight of multiple radiation oncology sites. Gayle supervises clinical staff at all radiation oncology department locations within the Northwell Cancer Institute and ensures that there is standardization of clinical practices throughout the service line.

Gayle leads many of the quality improvement and patient satisfaction initiatives for the radiation service line, employing initiatives to improve patient experience in the department through the initiation of an integrative and complementary medicine program for radiation patients. Ms. Somerstein is an active member of the Radiation Medicine Quality Committee.

Gayle is an NYU graduate, earning her Master of Public Heath (MPH). She also holds a BSN and an MBA from Adelphi University and is currently working towards her Doctor of Nursing Practice (DNP) at Aspen University.