I am an attending physicist and co-director of our small-animal imaging laboratories and serve as Chairman of its Committee on Radiation. I am also a Special Contributing Faculty Member of the Gerstner Sloan Kettering Graduate School.

I am actively involved in biomedical research on radionuclide-based methods for detecting and localizing tumor hypoxia (oxygen deprivation), immune effector-cell trafficking, patient-specific dosimetry for radiation therapies, and small-animal and molecular imaging.

I am an associate editor of the British Journal of Radiology and the European Journal of Nuclear Medicine and a member of the editorial board and past associate editor of the Journal of Nuclear Medicine, the Medical Internal Radionuclide Dosimetry Committee, and the US Nuclear Regulatory Commission’s Advisory Committee on Medical Uses of Isotopes. Previously, I was a member of the National Council on Radiation Protection and Measurement and a consultant to the International Atomic Energy Agency. I have authored more than 90 articles in peer-reviewed publications and given more than 75 invited presentations.

I received a BS in physics from Cooper Union in New York City in 1977 and a PhD in Biophysics from the Cornell University Graduate School of Medical Sciences in 1982. I served on the faculty of the Department of Radiology (Nuclear Medicine) of NewYork-Presbyterian Hospital/Weill Cornell Medical Center before joining Memorial Sloan Kettering.

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