Exhibit 31.1



CERTIFICATION



I, James B. Treleavan, Chief Executive Officer of Catalyst International, Inc. (the registrant) certify that:



|1. | I have reviewed this annual report on Form 10-K of the registrant;
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|2. | Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light
of the circumstances under which such statements were made, not misleading with respect to the period covered by this annual report;
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|3. | Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly present in all material respects the financial condition,
results of operations and cash flows of the registrant as of, and for, the periods presented in this annual report;
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|4. | The registrants other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e) for the registrant and we have:
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a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision to ensure that material information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;



b) evaluated the effectiveness of the registrants disclosure controls and procedures and presented in this report our conclusion about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluations; and



c) disclosed in this report any changes in the registrants internal control over financial reporting that occurred during the registrants most
recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and



|5. | The registrants other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrants
auditors and the audit committee of registrants board of directors (or persons performing the equivalent function):
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a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably
likely to adversely affect the registrants ability to record, process, summarize and report financial information; and



b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrants internal control
over financial reporting.



Date: March 29,
2004



/s/ James B. TreleavenBy:

James B. TreleavanTitle:

President and Chief Executive Officer