Exhibit 31.5

CERTIFICATIONS

| | I, Werner T. Heid, certify that:
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|1. | I have reviewed this Quarterly Report on Form 10-Q of Iomega Corporation;
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|2. | Based on my knowledge,  this 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 report;
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|3. | Based on my knowledge,  the financial  statements,  and other financial information included in this 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 report;
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|4. | The registrant's  other certifying  officer 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 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;
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| | b) | [Paragraph omitted in accordance with SEC transition instructions contained in SEC Release 34-47986]
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| | c) | Evaluated the effectiveness of the registrant's  disclosure  controls and procedures and presented in this report our
                  conclusions  about the effectiveness of the disclosure  controls and procedures,  as of the end of the period covered
                  by this report based on such evaluation; and
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| | d) | Disclosed in this report any change 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
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|5. | The registrant's other certifying  officer 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 the registrant's board of directors (or persons
         performing the equivalent functions):
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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
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| | 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.
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|Dated: May 10, 2004 | /s/ Werner T. Heid
    Werner T. Heid
President and Chief Executive Officer
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