EXHIBIT 31.1

                                  CERTIFICATION

      I, John Mahoney, Chief Executive Officer of SiVault Systems, Inc., certify
that:

      1. I have reviewed this Annual Report on Form 10-KSB of SiVault Systems,
Inc.;

      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;

      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
small business issuer as of, and for, the periods presented in this annual
report;

      4. The small business issuer's other certifying officer and I are
responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13(a)-15(e) and 15d-15(e)) for the small
business issuer and we have:

            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 small business issuer,
including its consolidated subsidiaries, is made known to us by others within
those entities, particularly during the period in which this annual report is
being prepared;

            b) evaluated the effectiveness of the small business issuer's
disclosure controls and procedures, and presented in this annual 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;

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

      5. The small business issuer's other certifying officer and I have
disclosed, based on our most recent evaluation of internal controls over
financial reporting, to the small business issuer's auditors and the audit
committee of small business issuer's board of directors (or persons performing
the equivalent functions):

            a) all significant deficiencies and material weaknesses in the
design or operation of internal controls over financial reporting which are
reasonably likely to adversely affect the small business issuer'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 small business issuer's
internal controls over financial reporting.


                                                /s/ John Mahoney
Dated: April 24, 2006                           --------------------------------
                                                John Mahoney,
                                                Chief Executive Officer
                                                (Principal Executive Officer)