Brett Mattson

Legislative Assistant

Brett joined NACo in May of 2018 and serves as a Legislative Assistant. He assists with legislative research, writing and federal advocacy on issues related to Justice & Public Safety, NACo’s Large Urban County Caucus, as well as providing legislative support for the Legislative Director and for the Finance, Pensions and Intergovernmental Affairs and the Justice and Public Safety committees. Previously, he served as a Legislative Intern for NACo.

Brett graduated from Nebraska Wesleyan University in May of 2018 with a B.S. in Political Science and minors in International Affairs and Economics. Prior to joining NACo, Brett served as a research intern for the Southeast Nebraska Development District, as well as interning in the Nebraska State Legislature for Sen. Patty Pansing Brooks.

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Stronger Counties. Stronger America.

About NACo

The National Association of Counties (NACo) unites America’s 3,069 county governments.  Founded in 1935, NACo brings county officials together to advocate with a collective voice on national policy, exchange ideas and build new leadership skills, pursue transformational county solutions, enrich the public’s understanding of county government, and exercise exemplary leadership in public service. 


Through NACo, county officials:

  • Advocate with a collective voice on national policy
  • Exchange ideas and build new leadership skills
  • Pursue transformational, cost-effective solutions
  • Enrich the public’s understanding of county government, and
  • Exercise exemplary leadership in public service.


Healthy, vibrant and safe counties across the United States.