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                                Exhibit 32.1

                    CERTIFICATION BY CHIEF EXECUTIVE OFFICER
                       PURSUANT TO 18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



         In connection with the Quarterly Report of Genesis Energy, L.P. (the
"Partnership") on Form 10-Q for the quarter ended June 30, 2003 (the "Report")
filed with the Securities and Exchange Commission on August 12, 2003, I, Mark J.
Gorman, President and Chief Executive Officer of Genesis Energy, Inc., the
general partner of the Partnership, certify, pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

      (1)   the  Partnership's  Report  fully  complies  with the  requirements
            of section  13(a) or 15(d) of the Securities Exchange Act of 1934
            as amended; and

      (2)   the information contained in the Form 10-Q fairly presents, in all
            material respects, the financial condition and results of operations
            of the Partnership.



August 12, 2003                           /s/ Mark J. Gorman
                                          -------------------------------------
                                          Mark J. Gorman
                                          President and Chief Executive Officer,
                                          Genesis Energy, Inc.