Core Teams

The work of NDWS is carried out by five core teams under the direction of NDWS leadership. Core teams consist of co-investigators who are national experts in their fields and support staff who bring a wealth of complementary expertise.

Data Collection Core

The Data Collection Core works with our partner survey organizations to conduct the workforce surveys.

  • Image
    James Wagner

    Core Lead

    James Wagner, PhD
    Director of Sampling and Associate Director, Survey Research Center, University of Michigan

    Also a Co-Lead of the Survey Design Core

    James Wagner is associate director of the largest and oldest academically based survey research organization in the world. He has more than 30 years of experience with survey sampling and data collection, including sample design work on the Consortium of Psychiatric Epidemiology Studies, the Health and Retirement Study (HRS), and serving as Chief Mathematical Statistician for the National Survey of Family Growth from 2011-2019.

Team Members

  • Image
    Piotr Dworak
    Piotr Dworak, MA
    Survey Director, Survey Research Operations, Survey Research Center, University of Michigan

    Piotr Dworak is responsible for oversight of day-to-day data collection activities in the Survey Research Center at U-M. He brings expertise in national longitudinal household research studies. 

  • Image
    Raphael Nishimura
    Raphael Nishimura, PhD
    Director of Sampling Operations, Survey Research Operations, Survey Research Center, University of Michigan

    Raphael Nishimura has has more than ten years of experience focused on sampling and survey statistics. His main research interest includes sampling methods, survey nonresponse, and adaptive/responsive designs. 

  • Image
    Ji Qi
    Ji Qi, MS
    Statistician Lead, Survey Research Operations, Survey Research Center, University of Michigan

    Ji Qi is a statistician with the Survey Research Center at U-M and provides support for sample frame development of NDWS surveys.

Survey Organizations

NDWS is partnering with two organizations to conduct the surveys. RTI International is our partner for the Community Clinician, Nursing Home Staff, and Assisted Living Staff surveys. DLH is our partner for the Home Care Staff survey.

RTI International is an independent, nonprofit research institute dedicated to improving the human condition. They combine scientific rigor and technical expertise in social and laboratory sciences, engineering, and international development to deliver solutions to the critical needs of clients worldwide.

 

DLH leverages over three decades of public health research expertise to support federal agencies and other clients with ethical, effective, and innovative technical solutions in observational, interventional, and survey study design and implementation. DLH’s Research Operations Center includes a 61-seat CATI center, a Level 2 biosafety laboratory, a full-scale fulfillment center, and a specialized data extraction team, all optimized to enhance the precision and efficiency of scientific research.