0000350894-03-000059 4 2 20031216 20031218 DORAN WILLIAM 0001191719 4 34 000-10200 031062049 SEI INVESTMENT INC ONE FREEDOM VALLEY OAKS PA 19456 SEI CORP 0000350894 6211 231707341 PA 1231 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 6106761000 1 FREEDOM VALLEY DRIVE OAKS PA 19456-1100 4 1 edgar.xml PRIMARY DOCUMENT EX-24 3 attach_1.htm POWER OF ATTORNEY EXECUTED ON MARCH 19, 2002