At various points Maziarz served as chairman of the Tourism, Recreation, and Sports Development Committee, Labor Committee, and Energy and Telecommunications Committee; he was also a member of the Rules; Higher Education; Crime, Crime Victims, and Corrections; Environmental Conservation; and Transportation committees.
Maziarz held leadership positions on various committees, including Tourism, Recreation, and Sports Development, Labor, Energy and Telecommunications, Rules, Higher Education, Crime, Crime Victims, and Corrections, Environmental Conservation, and Transportation.