Abraham and Mildred Goldstein Professor at Columbia University

Cancer Research UK Beatson Institute, Glasgow, UK

Professor of Radiation Oncology and Genetics, Stanford University

Director, Unit of Experimental Oncology 1, CRO Aviano National Cancer Institute (Italy)

Genetics Branch, NCI, NIH

Professor of Biochemistry, Universidade Federal do Rio de Janeiro

Hospital for Sick Children; Professor, University of Toronto

Professor of Molecular Oncology, University Medical Center Göttingen

Chief, Division of Cancer Biology, National Cancer Center Research Institute

UT MD Anderson Cancer Center