Senator Callahan's term in office expired January 9, 2013.

Committee Membership:
  Administration
  Agriculture, Food Production & Outdoor Resources
  Gubernatorial Appointments
  Jobs, Economic Development & Local Government
  Progress and Development, Chairman
  Small Business, Insurance and Industry
  Joint Committee on Gaming and Wagering
  Joint Committee on Government Accountability
  Senate Select Committee on Redistricting
  Senate Interim Committee on Natural Disaster Recovery
    - Sub Committee on Insurance Response
  Multistate Tax Compact Advisory Committee
  Missouri Veterans Commission