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 PDI, Inc. (the  "Company") on Form
10-Q for the  period  ending  March 31,  2004 as filed with the  Securities  and
Exchange Commission on the date hereof (the "Report"),  I, Charles T. Saldarini,
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, to the best of
my knowledge, 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 result of  operations of the
Company.


/s/ Charles T. Saldarini
------------------------
Charles T. Saldarini
Chief Executive Officer

May 3, 2004



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