Nastassia Walsh

Program Manager

Nastassia Walsh is a Program Manager at the National Association of Counties. In this role, she focuses primarily on providing educational programming on the intersection of mental health and justice and other criminal justice areas.

Before joining NACo, Nastassia was a Senior Policy Analyst with the Council of State Governments Justice Center, where she provided training and technical assistance to local and state juvenile and criminal justice agencies. Prior to that, she was a Research Manager with the Justice Policy Institute. Nastassia holds a bachelor’s degree in Psychology, Minor in Justice Studies from Arizona State University. She also holds a master’s degree in Forensic Psychology from Marymount University in Arlington, Va. 

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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.