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  • Douglas Luke

    Dr. Luke is the Director of CPHSS and a professor at the Brown School. He is also a member of the research faculty at the Alvin J. Siteman Cancer Center at Washington University School of Medicine.  Professor Luke is a leading researcher in the areas of health policy, organizational systems, and tobacco control. A skilled biostatistician, he has made significant methodological contributions to the evaluation of public health programs and the application of systems science methods such as network analysis to important public health problems. His research has been funded by the CDC, Legacy, and the National Cancer Institute. In addition to advancing the Brown School’s public health work, Dr. Luke serves as a leading methodologist supervising the school’s doctoral students and collaborating with faculty. He is active in the key community health behavior study decision at National Institutes of Health, the American Statistical Association, the International Network of Social Network Analysts, and the Society for Community Research and Action. 


    BA, Psychology, Washington University, 1983
    MA, Psychology, University of Illinois, 1988
    PhD, Psychology, University of Illinois, 1990

  • Nikole Lobb Dougherty
    Associate Director

    Nikole is the Associate Director for CPHSS. She leads evaluation activities for a number of Center projects, facilitates the development and implementation of the Center’s strategic plan, provides overall programmatic and operational guidance for Center staff, and identifies and implements new research and evaluation opportunities and partnerships. In addition, Nikole provides data collection, management, and analysis guidance for Center projects. Nikole's primary interests include public health evaluation, systems-level research and evaluation, qualitative methods, data visualization, and innovative and effective dissemination and reporting.​


    ​BA, Anthropology and Sociology, Truman State University, 1999
    MA, Applied Anthropology, California State University, Long Beach, 2004

  • Laura Brossart
    Assistant Director of Communications and Dissemination

    ​Laura is the Assistant Director of Communications and Dissemination for CPHSS. She directs the Center’s communication plan and activities, overseeing all internal and external print and electronic communications with Center partners. Laura also oversees the design, development, and production of all Center evaluation and research products (print, web, and interactive). Additionally, Laura serves as the Co-Investigator for the User Guide project, funded by the Centers for Disease Control and Prevention. The User Guides are a series of implementation guides on specific topics within the State and Community Interventions category of the CDC’s 2014 Best Practices for Comprehensive Tobacco Control Programs.


    ​BA, Psychology, Washington University in St. Louis, 1992

  • Todd Combs
    Assistant Director of Research

    Todd is the Assistant Director of Research at the Center. He oversees the Center’s research portfolio and focuses on expanding the scientific and methodological capacities of the Center through identifying project and learning opportunities and mentoring staff. He currently leads or serves as analyst on several Center projects, including the evaluation of the Washington University ICTS (Institute for Clinical & Translational Sciences) that focuses on the benefits of membership and collaboration in the large-scale research initiative, and Tobacco Town Minnesota, that uses agent-based modeling to test the potential impact of retail tobacco policies. His interests include health and social policy, dissemination and implementation science, systems science, translational research, and data visualization. Todd also serves as Adjunct Faculty for the Brown School.


    ​BA, Anthropology, University of Missouri-St. Louis, 2002
    MA, International Relations, Webster University, 2008
    PhD, Political Science, University of Missouri-St. Louis, 2014

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Email: Phone: (314) 935-3748
Copyright 2015 Center for Public Health Systems Science