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John W. Risner, (47), has served as a director on the board of NII Holdings since 2002. He is currently the President of The Children�s Tumor Foundation, which he joined in 2002. From 1997 to 2002, he served as senior vice president portfolio manager at AIG/SunAmerica Asset Management, a money management firm. Prior to that, Mr. Risner was vice president-senior portfolio manager at Value Line Asset Management, a money management firm, where he worked from 1991 to 1997. | 