EXHIBIT 32.1

                            CERTIFICATION 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 CorVu  Corporation  (the
"Company") on Form 10-QSB for the quarter ended  December 31, 2003 as filed with
the Securities and Exchange  Commission (the "Report"),  I, Justin M. MacIntosh,
Chief Executive Officer of the Company,  certify, pursuant to 18 U.S.C. ss.1350,
as adopted pursuant to ss.906 of the Sarbanes-Oxley Act of 2002, that:

         (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         (2) The  information  contained in the Report fairly  presents,  in all
material  respects,  the  financial  condition  and results of operations of the
Company.

         Dated:  February 12, 2004


                                                /s/ Justin M. MacIntosh
                                                ------------------------------
                                                Chief Executive Officer

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