Nutrition Management Services (NMSCA) 10-Q 2003 Q2 Quarterly report

                                                                    Exhibit 99.1


                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER

 Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. &1350)

            Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C.
            &1350), the undersigned,  Joseph V. Roberts, Chief Executive Officer
            of Nutrition Management Services Company, a Pennsylvania corporation
            (the "Company"), does hereby certify, to his knowledge, that:

            The Quarterly Report on Form 10-Q for the quarter ended December 31,
            2002  of  the  Company  (the  "Report")   fully  complies  with  the
            requirements of section 13 (a) or 15 (d) of the Securities  Exchange
            Act of 1934,  and the  information  contained  in the Report  fairly
            presents,  in all material  respects,  the  financial  condition and
            results of operations of the Company.


                                              /s/ Joseph V. Roberts
                                              ----------------------------------
                                              Joseph V. Roberts
                                              Chief Executive Officer


            February 14, 2003