POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS that the undersigned Officers and Directors of GSE Systems, Inc.,
a Delaware corporation, hereby constitute and appoint Jerry Jen and Jeffery G. Hough, and each of them, the
true and lawful agents and attorneys-in-fact of the undersigned with full power and authority in said agents and
attorneys-in-fact, and in any one or both of them, to sign for the undersigned and in their respective names as
Officers and Directors of the Corporation, the Annual Report of Form 10-K of the Corporation to be filed with
the Securities and Exchange Commission, Washington, D.C., under the Securities Exchange Act of 1934, as
amended, and any amendment or amendments to such Annual Report, hereby ratifying and confirming all acts
taken by such agents and attorneys-in-fact, or any one or more of them, as herein authorized. This Power of
Attorney, which is dated as of February 8, 2002, may be executed in any number of counterparts, and such
signatures may be by means of facsimile or other means of transmission.
Name Title
/s/ Jerome I. Feldman Chairman of the Board
/s/ Jerry Jen President, Chief Operating Officer and
Director (Principal Executive Officer)
/s/ Jeffery G. Hough Senior Vice President and Chief
Financial Officer (Principal Finance
and Accounting Officer)
/s/ Sheldon L. Glashow, Ph.D. Director
/s/ Scott N. Greenberg Director
/s/ John A. Moore, Jr. Director
/s/ George J. Pedersen Director
/s/ Joseph W. Lewis Director
/s/ Roger L. Hagengruber, Ph.D. Director