David Wittenburg

David Wittenburg

Director of Health Research, NJ
Areas of Expertise
  • Impacts of public policy on the employment and income of people with disabilities
  • Use of administrative and survey data for research on working-age people with disabilities
Topics
  • Disability
  • Health
  • Employment and Income Support
  • Statistics and Measurement
  • Data Analytics
  • Transition to Adulthood
About David

David Wittenburg is an expert in interventions to promote employment for people with disabilities, particularly interventions that serve youth as they transition into adulthood. He has two decades of experience in evaluation design and program evaluation for several federal agencies.

Wittenburg leads business development activities related to disability projects. He recently worked in senior leadership roles on three Social Security Administration demonstration projects, helping to design and implement experimental and nonexperimental approaches to assess the efficacy of return-to-work interventions for people with disabilities.

Wittenburg, who joined Mathematica in 2005, presents his findings to diverse research and policy audiences, including in congressional testimony, conference presentations, reports, and journal publications. He edited two special journal volumes on employment topics related to people with disabilities for the IZA Journal of Labor Policy and the Journal of Disability Policy Studies. A member of the National Academy of Social Insurance and formerly a senior associate at the Urban Institute and the Lewin Group, he holds a Ph.D. in economics from Syracuse University.

Key Projects
  • Disability Research Consortium

    Mathematica is one of two policy research centers that lead the SSA's Disability Research Consortium. The DRC fosters new research from a team of disability policy experts from Mathematica and three universities.

  • blind person walking with a cane
    Evaluation of the Ticket to Work Program

    Mathematica conducted a 10-year evaluation of the Ticket to Work (TTW) program, a major initiative of the Social Security Administration to increase disability beneficiaries' employment and reduce their dependence on benefits.

  • man in wheelchair with female friend
    Accelerated Benefits Demonstration

    This demonstration tested the efficacy of providing immediate medical benefits to Social Security Disability Insurance beneficiaries. Under current law, these beneficiaries must wait 24 months before becoming eligible for Medicare. During this time, a beneficiary's health may deteriorate for a number...

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