Administrative Appointments
- Associate Dean of Clinical and Translational Research, Stanford (2011
- present)
- Director, Spectrum Research Education and Training, Stanford (2011
- present)
- Director, MedScholars Clinical Research Concentration, Stanford (2011
- present)
- Editor in Chief, Clinical Trials: Journal of the Society for Clinical Trials (2004
- present)
- Senior Statistical Editor, Annals of Internal Medicine (1987
- present)
- Member, Methodology Committee, Patient Centered Outcomes Research Institute (2011
- present)
- Scientific advisor, National BC/BS Technology Assessment Program (2001
- present)
- Director, Oncology Biostatistics, Johns Hopkins School of Medicine (2007
- 2010)
- Professor of Oncology, Pediatrics, Biostatistics and Epidemiology, Johns Hopkins Schools of Medicine and Public Health (1989
- 2011)
- Co-chair, Committee on Drug Safety, Institute of Medicine (2010
- 2012)
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