Residents & Fellows

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Xingyu Nie, PhD, Chief Resident
2017-2021

Xingyu Nie received his BS degree, a double major in biomedical engineering and applied mathematics, from Stony Brook University in 2011. He received his PhD degree in biomedical engineering from Washington University in St. Louis in 2017. His doctoral thesis was on 64Cu-ATSM PET/MR imaging of hypoxic atherosclerosis in animal models and human subjects. For this work, he received a young investigator award and a poster award from the Society of Nuclear Medicine and Molecular Imaging (SNMMI) annual meeting. His current focus of research is on the development of time-resolved 4DMRI for motion simulation in radiotherapy treatment planning.


Sadegh Alam, PhD
2018-2022

Sadegh Riyahi-Alam received his PhD in biomedical engineering from the University of Turin in Italy with a specialty in medical image analysis using deformable image registration. He started a postdoctoral position at MSK in 2016 and was mainly involved in quantitative evaluation of tumor response to chemo-radiation therapy and prediction of clinical outcome in longitudinal applications. He joined 2+2 medical physics residency program in 2019 and is currently working on minimizing normal tissue toxicity for adaptive radiotherapy and predictive treatment planning.


Lukas Carter, PhD
2020-2024

Lukas Carter earned a PhD in radiochemistry from the University of Missouri. He joined MSK in 2016 as a postdoc in the Department of Radiology and in 2020 joined the MSK Medical Physics Residency Program. Currently, Dr. Carter’s research centers on dosimetry and personalized dosimetry in nuclear medicine, and includes software development, Monte Carlo simulation, and computational phantom development.


Juan Ocampo Ramos, PhD
2020-2024

Juan Ocampo Ramos, a physicist engineer, has a M.Sc. in physics and a PhD in radiological protection and medical physics from the University of Colombia, Medellin, Colombia. Dr. Ocampo Ramos did a postdoc in clinical trials for targeted radionuclide therapy at the INSERM in France. He joined MSK to work in the MIRDcalc project under the supervision of Adam Kesner to develop and validate clinical and research tools for radiopharmaceutical dosimetry and hybrid imaging. Dr. Ocampo Ramos interests include internal dosimetry, quality assurance in diagnostic radiology, and radiological protection.