School of Medicine

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  • Mausam Kalita

    Mausam Kalita

    Physical Science Research Professional 2, Rad/Molecular Imaging Program at Stanford

    Current Role at StanfordSenior Research Scientist: a) cold chemical synthesis— Synthesis of the 12C and 19F- HPLC standards and precursors for 11C- and 18F- labeling
    b) Radiosynthesis— Introduction of 11C or 18F radioisotopes into small molecules to develop novel PET tracers, that can track activated myeloid cells in neurodegenerative disease, c) radiometal labeling— 64Cu and 89Zr labeling of monoclonal antibodies that target immune receptors, d) clinical translation— To follow FDA guidelines for translating preclinically validated tracers into humans in the cyclotron and radiochemistry facility (CRF) of the Stanford University

  • Aya Kamaya, MD

    Aya Kamaya, MD

    Professor of Radiology (Body Imaging)

    Current Research and Scholarly InterestsHepatobiliary imaging
    Hepatocellular carcinoma
    Urologic imaging
    Gynecologic imaging
    Thyroid imaging
    Novel ultrasound technologies
    Perfusion CT imaging of abdominal tumors

  • Xiaojian Kang

    Xiaojian Kang

    Affiliate, Rad/Radiological Sciences Laboratory

    BioDr Kang received his PhD in Physics and MS in Computer Science from Indiana University Bloomington in September of 1998. Then he joined Diagnostic Imaging Science Center at University of Washington in Seattle for postdoctoral research.
    In September of 2000, he worked as an MR Physicist in the Human Cognitive Neurophysiology Laboratory in Department of Neurology at University of Californian at Davis. His tasks were to maintain and modify the sequences for MR research on a 3 T Siemens Verio scanner and a 1.5 T Philips Eclipse scanner, and develop new procedures for MR data analysis, statistics and visualization. He has published 20+ papers to introduce the innovative methods for MR data analysis, which including the local landmark method, high-resolution space method, and cortical surface projection mapping method, and automated method to detect brain abnormalities. All of the methods have been applied successfully to the MR researches in the lab.
    In September of 2017, he joined as an MR Physicist in Palo Alto Veterans Institute for Research (PAVIR) at VA Palo Alto and the Adamson Brain Stimulation Lab in the Department of Neurosurgery at Stanford University.His main tasks are to participate in the research projects funded by Department of Veterans Affairs and Department of Defense, and administration of windows and linux servers for neuroimaging studies.

    Professional Education
    •PhD in Physics, Indiana University Bloomington (1998).
    •MS in Computer Science, Indiana University Bloomington (1998).
    •MS in Electronic Engineering, Xi’an Jiaotong University, P. R. China (1987).
    •BS in Electronic Engineering, Xi’an Jiaotong University, P. R. China (1984).

  • Andrew Kesselman

    Andrew Kesselman

    Clinical Assistant Professor, Radiology

    Current Research and Scholarly InterestsCurrently studying the role of interventional therapies in caval filtration, venous thromboembolism and primary and metastatic hepatic malignancies.

  • Donghoon Kim

    Donghoon Kim

    Postdoctoral Scholar, Radiology

    BioDr. Donghoon Kim is a postdoctoral scholar at Stanford's Center for Advanced Functional Neuroimaging. Before joining Stanford, he earned his Ph.D. in Biomedical Engineering from University of California, Davis, supervised by Dr. Youngkyoo Jung. His Ph.D. thesis was titled "Deep Learning-Driven Technical Developments and Clinical Applications of Arterial Spin Labeling MRI". During his Ph.D. studies, he focused on the development of advanced deep learning techniques for ASL MRI, and its clinical applications. During his master's degree in Biomedical Engineering at Virginia Tech-Wake Forest University, he studied the functional connectivity of the default mode network using resting state BOLD fMRI among youth football players, supervised by Dr. Christopher Whitlow and Dr. Youngkyoo Jung.

  • Johanna Kim

    Johanna Kim

    Executive Director, Center for Artificial Intelligence in Medicine and Imaging, Rad/Thoracic Imaging

    BioJohanna specializes in launching and leading world-class research programs. At Stanford AIMI, she plays a pivotal role in the development and design of all programs, particularly focusing on research and education programs, funding opportunities, and major events. Her leadership extends to shaping partnership programs, fundraising, and enhancing AIMI's outreach strategies. Skilled in building strong teams and fostering interdisciplinary collaborations, Johanna adeptly navigates the complexities of the academic and healthcare sectors. Her strategic support has been invaluable in advancing technology development, securing substantial research funding, and elevating the impact of publications. Johanna’s 20-year career is marked by her commitment to transforming healthcare through innovative technology.

  • Jeffrey Howard Kleck

    Jeffrey Howard Kleck

    Adjunct Professor, Rad/Molecular Imaging Program at Stanford

    BioJeff Kleck, Ph.D., is an Adjunct Professor at Stanford University and a prominent figure in the Silicon Valley tech venture community. As an established technology and software entrepreneur, he has successfully guided several ventures from concept to becoming market leaders, even taking them public on the NASDAQ. Jeff's leadership roles have included Founder, CEO, and Chairman, shaping these ventures into influential commercial entities.

    Currently serving as a Senior Partner at Elevens, Jeff is instrumental in leveraging the expertise of some of the foremost AI minds globally to accelerate breakthrough ventures across multiple sectors. His commitment to advancing technology extends to his role as a Special Government Expert (SGE) for the United States Government, where he acts as a Senior Advisor, identifying and delivering advanced technology for national security. Jeff's previous role as a Highly Qualified Expert (HQE) involved directing transformative and strategic capabilities, promoting the adoption of innovative commercial technologies to enhance national security.

    Jeff's involvement in academia is extensive, having served as a visiting scientist at Lawrence Berkeley National Laboratory and Los Alamos National Laboratory, as well as an Adjunct Professor at the University of California Los Angeles (UCLA). His formal education spans various engineering, medical applied science, and technology disciplines, earning a Ph.D. in Biomedical Physics from UCLA, an MS in Engineering Management from Stanford University, an MS in Nuclear Engineering from Texas A&M University, and a BS in Nuclear Engineering from the same institution.

    In addition to his contributions at Stanford and Elevens, Jeff has taken on significant roles for the Vatican. Currently, as the Dean of Academics at Catholic Institute of Technology (CIT), he orchestrates cross-disciplinary initiatives, harmonizing theoretical foundations with real-world applications and fostering a culture of innovation. Simultaneously, Jeff serves as the Chairman of Entrepreneurship and Technology Commercialization at CIT, leading the charge in blending academic excellence with practical innovation and overseeing programs that fuse entrepreneurial principles with cutting-edge technology for holistic education.

    Jeff is also actively engaged in various ventures, including his role as Chairman of Open Power & Energy Network (OPEN), where he is dedicated to shepherding OPEN toward achieving a sustainable future by seamlessly integrating cutting-edge technologies and best practices, renewing the global climate through accessible power and energy solutions. Additionally, Jeff supports Playground Global, a premier hard tech venture capital firm, as a Friend of Playground.

    With a wealth of experience and a commitment to driving innovation, Jeff Kleck continues to shape the landscape of technology, academia, and entrepreneurship.

    Catholic Institute of Technology -
    Elevens -
    LinkedIn -
    OPEN -
    Playground -

  • Feliks Kogan

    Feliks Kogan

    Assistant Professor (Research) of Radiology (Musculoskeletal Imaging)

    Current Research and Scholarly InterestsMy research is focused on the development and clinical translation of novel imaging techniques geared toward early detection of musculoskeletal disease. Current projects include whole-joint molecular imaging of early disease with PET-MRI, imaging of early cartilage changes in Osteoarthritis (OA) with GagCEST, rapid knee imaging and simultaneous bilateral knee MRI.