(Philadelphia, PA) - Sarah J. Ratcliffe, PhD, has been named Assistant Professor in the Department of Biostatistics and Epidemiology at the University of Pennsylvania School of Medicine.

After earning her BS(Hons) degree in 1996 from the University of Technology in Sydney, Australia, Dr. Ratcliffe went on to receive her PhD from Macquarie University, also in Sydney, Australia. Her postdoctoral fellowship was completed at the University of Pennsylvania School of Medicine in the Department of Biostatistics and Epidemiology. She is also a former Statistical Consultant for The Statistical Laboratory, Macquarie Research Ltd., in Australia.

Dr. Ratcliffe's research interests focus on functional data analysis (models for complex curves) and the analysis of longitudinal data with informative dropout, specifically joint models for longitudinal and survival data. Her collaborative areas of research include reproductive and women's health, such as the use of fetal heart tracings in predicting adverse birth outcomes and later infant development.

Dr. Ratcliffe is a member of the American Statistical Association and the Statistical Society of Australia. She has been the recipient of numerous awards and honors including the Vice-Chancellor's Commendation for a Doctoral Thesis of Exceptional Merit and the 2002 Travel Award from the Eastern Northern American Region/International Biometric Society to attend the "Workshop for Junior Researchers" in Washington, DC.

She has been invited to lecture on several occasions including most recently at the Biostatistics Applied Research Forum at the University of Pennsylvania, where she discussed a random pattern-mixture model for longitudinal data with dropouts. Dr. Ratcliffe has also authored or co-authored research papers in publications including Statistics in Medicine and the 2001 Proceedings of the American Statistical Association Biometrics Section.

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Penn Medicine is one of the world’s leading academic medical centers, dedicated to the related missions of medical education, biomedical research, and excellence in patient care. Penn Medicine consists of the Raymond and Ruth Perelman School of Medicine at the University of Pennsylvania (founded in 1765 as the nation's first medical school) and the University of Pennsylvania Health System, which together form a $7.8 billion enterprise.

The Perelman School of Medicine has been ranked among the top five medical schools in the United States for the past 20 years, according to U.S. News & World Report’s survey of research-oriented medical schools. The School is consistently among the nation’s top recipients of funding from the National Institutes of Health, with $405 million awarded in the 2017 fiscal year.

The University of Pennsylvania Health System’s patient care facilities include: The Hospital of the University of Pennsylvania and Penn Presbyterian Medical Center — which are recognized as one of the nation’s top “Honor Roll” hospitals by U.S. News & World Report — Chester County Hospital; Lancaster General Health; Penn Medicine Princeton Health; Penn Wissahickon Hospice; and Pennsylvania Hospital – the nation’s first hospital, founded in 1751. Additional affiliated inpatient care facilities and services throughout the Philadelphia region include Good Shepherd Penn Partners, a partnership between Good Shepherd Rehabilitation Network and Penn Medicine, and Princeton House Behavioral Health, a leading provider of highly skilled and compassionate behavioral healthcare.

Penn Medicine is committed to improving lives and health through a variety of community-based programs and activities. In fiscal year 2017, Penn Medicine provided $500 million to benefit our community.

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