Formerly: executive positions, elected office, member, two US Trade Representative committees. Chairman, Nebraska Ethanol Authority and Development Board. Member of the Board: Berkshire Hathaway, Lindsay Corporation; Sloan Implement. Formerly, Member of the Board: Archer Daniels Midland; Coca-Cola Enterprises; ConAgra Foods. Member: Commission on Presidential Debates; numerous non-profit boards. UN Goodwill Ambassador Against Hunger. Recipient of awards. Author. Interests: business, politics, agriculture, conservation, photography and philanthropy.