He also served as Legislative Assistant for Representative Leonard Boswell, focusing primarily on Rep. Boswell’s work on the House Agriculture Committee, and as a Clerk for Justice Jerry Larson of the Iowa Supreme Court.
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O’Brien has also served as Senior Advisor to Iowa Governor Chet Culver, Interim Co-Director for the National Agricultural Law Center in Fayetteville, Ark., and Senior Staff Attorney at the Drake Agricultural Law Center in Des Moines, Iowa.
Secretary of State | United States Secretary of State | Rural communities of Senegal | Home Secretary | United States Secretary of Defense | United Nations Industrial Development Organization | International Development Association | United States Secretary of the Interior | United Nations Conference on Trade and Development | International Bank for Reconstruction and Development | International Fund for Agricultural Development | Secretary of State for Foreign and Commonwealth Affairs | Parliamentary Private Secretary | Foreign Secretary | African Development Bank | USL Premier Development League | United States Secretary of the Treasury | United States Agency for International Development | Secretary-General | Integrated development environment | United States Secretary of War | Asian Development Bank | United States Secretary of the Navy | Lord Deputy of Ireland | United States Department of Housing and Urban Development | Secretary of State for the Colonies | Inter-American Development Bank | Colonial Secretary | Millennium Development Goals | Deputy Prime Minister |