Allen Mattison represents nonprofit organizations, labor organizations and political professionals on campaign-finance, tax and corporate matters.  From establishing corporations and securing I.R.S. tax exemptions, to managing employment matters and understanding options for political activism, he helps nonprofit leaders succeed in all phases of their organizations’ lives.  For organizations that want to influence elections or pass new laws, he assists them in understanding all the options available, and helps them to tailor their tactics to the relevant federal or state regulatory regime.  He has helped nonprofit organizations to navigate the campaign finance and corporate laws in all 50 states and the District of Columbia.  His background in political and nonprofit communications enables him to help clients find ways to amplify their message within the restrictions imposed by federal and state campaign finance, lobbying and tax laws.




  • Georgetown University Law Center, J.D. cum laude, 2006
  • Washington University in St. Louis, B.A. with college honors, 1996


Bar Admissions:

  • District of Columbia
  • Maryland


Prior Professional Experience:

  • Sierra Club, Director of Media Relations, Press Secretary
  • Nixon for Senate, Press Secretary
  • Office of U.S. Senator John D. Rockefeller IV, Deputy Press Secretary



  • Shepley Award for Scholarship, Leadership and Service to Washington University



  • Can the New Bankruptcy Law Benefit Debtors, Too?: Interpreting the 2005 Bankruptcy Act to Clean Up the Credit-Counseling Industry and Save Debtors from Chronic Poverty, 13 Geo. J. on Poverty L. and Pol’y 513 (2006).