Visiting Scientists

Arcaya_Mariana_310 x 440Mariana Arcaya is Assistant Professor of Urban Planning and Public Health in the Department of Urban Studies and Planning, MIT. Mariana’s work focuses on the intersection of urban planning and public health. She holds a ScD in Social and Behavioral Sciences from the Harvard T.H. Chan School of Public Health and a Masters of City Planning from MIT. Mariana completed the Yerby Postdoctoral Fellowship Program in 2015. Her research interests include neighborhood effects on health, health disparities, and correlated data analysis.

Fahad-Razak_310_x_440Fahad Razak is a staff physician at St. Michael’s Hospital, Department of Medicine, University of Toronto and research scientist in the Keenan Research Centre, Li Ka Shing Knowledge Institute. He has a multidisciplinary background including biomedical engineering, epidemiology and public health, and a medical degree with specialization in general internal medicine. From 2013-2015, Fahad was a Bell fellow at the Pop Center; during this time he studied the causes and consequences of the changing shape of chronic disease risk factor distributions at the population level, with special focus on body weight.  Fahad completed his undergraduate degree in Engineering Science and Medical Doctorate at the University of Toronto, and MSc from McMaster University.

Bettina Siflinger_1Bettina Siflinger is a health economist at the University of Mannheim, Germany. She obtained a PhD in Economics at the University of Munich in 2013. Her primary research interests are focused in the fields of empirical health economics, the economics of aging and microeconometrics. In a number of previous research projects Bettina Siflinger has analyzed the long lasting consequences of adverse life events for socioeconomic and health outcomes later in life. Recently, she works on two projects that aim at explaining health at birth and health development throughout childhood, using Swedish health register data. In the field of microeconometrics Bettina Siflinger deals with identification issues in structural models in the presence of rounding – a type of nonclassical measurement error. During her stay at the HCPDS, she will continue her research on the impact of life events on health, marriage and labor market outcomes over the life cycle.