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

  • Johanna Kim

    Johanna Kim

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

    BioI’m an accomplished healthtech leader with deep experience in launching & leading research teams. I’m directly responsible for building programs and partnerships, leading teams through all phases of research. I’m especially adept at cultivating interdisciplinary and academic/industry collaborations and navigating complexities inherent to the healthcare space.

    My work has supported development of novel technologies and applications, helped to generate substantial research funding, and contributed to numerous high-impact publications. My career has spanned diverse contexts, including academic medical centers, university research labs, and health clinics. My passion for people, operations, and the belief that technology can improve health has been the driving force of my career for the last 20 years.

    Of all the things I value most in my career, working for a meaningful cause is at the top of the list. I enjoy working with brilliant clinicians, scientists and engineers who have bold, audacious ideas to improve human health. I thrive in “start-up” cultures where collaboration and excitement are the norm, bringing cross-disciplinary and cross-functional teams together to incubate new solutions. I love the satisfaction that comes from working with a close-knit team to develop and deploy innovations in clinical practice.

  • Jeffrey Howard Kleck

    Jeffrey Howard Kleck

    Adjunct Professor, Rad/Molecular Imaging Program at Stanford

    BioJeff is an Adjunct Professor at Stanford University and a leader in the Silicon Valley tech venture community. He is an established technology and software entrepreneur who has built several ventures from concept to market leader. Jeff has served as Founder, CEO, and Chairman, and has taken his ventures public on the NASDAQ and unified them into far-reaching commercial corporations.

    Jeff is a Senior Partner at Elevens, a strategic advisory designed to harness some of the foremost AI minds on the planet to accelerate breakthrough ventures in health-tech, med-tech, bio-tech, and pharma-tech. Elevens is based in Silicon Valley and can be found at

    Jeff currently serves as a Special Government Expert (SGE) to the United States Government, acting as a Special Advisor to the Department of Defense. His role entails the identification and delivery of advanced technology for national security. In the past, Jeff has also served as a Highly Qualified Expert (HQE) in the Senior Executive Service for the United States Government. During this time, he held the position of Director, responsible for delivering transformational and strategic capabilities to enhance national security by promoting the adoption of innovative and commercial technologies.

    Jeff has participated as a visiting scientist at two national laboratories, including Lawrence Berkeley National Laboratory and Los Alamos National Laboratory, and as an Adjunct Professor at the University of California Los Angeles (UCLA).

    Jeff is formally educated in several engineering, medical applied science, and technology disciplines, and holds a PhD 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 Texas A&M University.

    The industry profile for Jeff can be found at