EXHIBIT 99.1

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

I, Stephen K. Onody, Chief Executive Officer and President of Colorado MEDtech,
Inc. (the "Company"), 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 Company's Quarterly Report on Form 10-Q/A for the quarter ended March 31,
2003, as filed with the Securities and Exchange Commission on the date hereof
(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.


Date: June 10, 2003



/s/ Stephen K. Onody
- ---------------------------------------
Name: Stephen K. Onody
Title: Chief Executive Officer and
         President