Fit2Thrive: Optimization of a Nationwide Physical Activity Promotion Intervention for Breast Cancer Survivors


Portrait of Siobhan M. Phillips, Ph.D., M.P.H.Siobhan M Phillips, Ph.D., M.P.H.
Associate Professor, Preventive Medicine
Health Sciences Integrated Ph.D. Program
Northwestern University
Evanston, IL

Siobhan Phillips, Ph.D., M.P.H. is an Associate Professor in the Division of Behavioral Medicine in the Department of Preventive Medicine at Northwestern University Feinberg School of Medicine and the Director of Physical Activity Promotion at the Robert H. Lurie Comprehensive Cancer Center. Dr. Phillip’s interdisciplinary research is focused on understanding the determinants and outcomes of physical activity participation, designing innovative and effective behavior change interventions and translating this research into practice with a particular focus on aging and cancer survivorship. Dr. Phillips is a behavioral interventionist by training and has worked with data from prospective, cohort and national datasets. She has extensive training, experience and expertise in designing, conducting and analyzing randomized exercise interventions to maximize adherence and cognitive, psychosocial and physical functioning health outcomes in older adults and clinical populations and in using accelerometers to objectively measure physical activity.

Dr. Phillips has published over 80 articles in the areas of aging, cancer and implementation sciences. She obtained a Ph.D. in Kinesiology from the University of Illinois Urbana Champaign and a M.P.H. in Quantitative Methods from Harvard University and completed a postdoctoral research fellowship with the Cancer Prevention Fellowship Program at the National Cancer Institute.

About the NCI Cancer Prevention and Control Colloquia Series

The Cancer Prevention and Control Colloquia Series features current research findings from guest researchers from a variety of research disciplines. Topics cover current challenges and methods used by investigators to address gaps, advance the field of cancer prevention and control, and promote the application of successful strategies.

Presentations are open to anyone at the NIH and to the public. Please visit for more information. If you are a person with a disability and require any assistive device, services, or other accommodation to participate in the event, please contact us at 240-276-5626, or at least one week in advance to discuss your accommodation needs.